- Update: Bump StackBlur version

dist/canvg.js

@@ -1,6 +1,20 @@
 var canvg = (function (exports) {
   'use strict';
 
+  function _typeof(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
+
+    return _typeof(obj);
+  }
+
   function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
     try {
       var info = gen[key](arg);
@@ -584,7 +598,7 @@ var canvg = (function (exports) {
    * @param {Integer} topY
    * @param {Integer} width
    * @param {Integer} height
-   * @throws {Error}
+   * @throws {Error|TypeError}
    * @returns {ImageData} See {@link https://html.spec.whatwg.org/multipage/canvas.html#imagedata}
    */
 
@@ -594,8 +608,8 @@ var canvg = (function (exports) {
       canvas = document.getElementById(canvas);
     }
 
-    if (!canvas || !('getContext' in canvas)) {
-      return;
+    if (!canvas || _typeof(canvas) !== 'object' || !('getContext' in canvas)) {
+      throw new TypeError('Expecting canvas with `getContext` method in processCanvasRGB(A) calls!');
     }
 
     var context = canvas.getContext('2d');

dist/extensions/ext-server_moinsave.js

@@ -1,6 +1,20 @@
 var svgEditorExtension_server_moinsave = (function () {
   'use strict';
 
+  function _typeof(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
+
+    return _typeof(obj);
+  }
+
   function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
     try {
       var info = gen[key](arg);
@@ -584,7 +598,7 @@ var svgEditorExtension_server_moinsave = (function () {
    * @param {Integer} topY
    * @param {Integer} width
    * @param {Integer} height
-   * @throws {Error}
+   * @throws {Error|TypeError}
    * @returns {ImageData} See {@link https://html.spec.whatwg.org/multipage/canvas.html#imagedata}
    */
 
@@ -594,8 +608,8 @@ var svgEditorExtension_server_moinsave = (function () {
       canvas = document.getElementById(canvas);
     }
 
-    if (!canvas || !('getContext' in canvas)) {
-      return;
+    if (!canvas || _typeof(canvas) !== 'object' || !('getContext' in canvas)) {
+      throw new TypeError('Expecting canvas with `getContext` method in processCanvasRGB(A) calls!');
     }
 
     var context = canvas.getContext('2d');

dist/extensions/ext-server_opensave.js

@@ -1,6 +1,20 @@
 var svgEditorExtension_server_opensave = (function () {
   'use strict';
 
+  function _typeof(obj) {
+    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
+      _typeof = function (obj) {
+        return typeof obj;
+      };
+    } else {
+      _typeof = function (obj) {
+        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+      };
+    }
+
+    return _typeof(obj);
+  }
+
   function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
     try {
       var info = gen[key](arg);
@@ -584,7 +598,7 @@ var svgEditorExtension_server_opensave = (function () {
    * @param {Integer} topY
    * @param {Integer} width
    * @param {Integer} height
-   * @throws {Error}
+   * @throws {Error|TypeError}
    * @returns {ImageData} See {@link https://html.spec.whatwg.org/multipage/canvas.html#imagedata}
    */
 
@@ -594,8 +608,8 @@ var svgEditorExtension_server_opensave = (function () {
       canvas = document.getElementById(canvas);
     }
 
-    if (!canvas || !('getContext' in canvas)) {
-      return;
+    if (!canvas || _typeof(canvas) !== 'object' || !('getContext' in canvas)) {
+      throw new TypeError('Expecting canvas with `getContext` method in processCanvasRGB(A) calls!');
     }
 
     var context = canvas.getContext('2d');

editor/external/stackblur-canvas/dist/stackblur-es.js

@@ -91,7 +91,7 @@ function processImage(img, canvas, radius, blurAlphaChannel) {
  * @param {Integer} topY
  * @param {Integer} width
  * @param {Integer} height
- * @throws {Error}
+ * @throws {Error|TypeError}
  * @returns {ImageData} See {@link https://html.spec.whatwg.org/multipage/canvas.html#imagedata}
  */
 
@@ -101,8 +101,8 @@ function getImageDataFromCanvas(canvas, topX, topY, width, height) {
     canvas = document.getElementById(canvas);
   }
 
-  if (!canvas || !('getContext' in canvas)) {
-    return;
+  if (!canvas || typeof canvas !== 'object' || !('getContext' in canvas)) {
+    throw new TypeError('Expecting canvas with `getContext` method in processCanvasRGB(A) calls!');
   }
 
   const context = canvas.getContext('2d');

package-lock.json

@@ -9400,9 +9400,9 @@
       }
     },
     "stackblur-canvas": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/stackblur-canvas/-/stackblur-canvas-2.0.0.tgz",
-      "integrity": "sha512-660gH1SpjeKyfUYnne9nuIya7CDGds6NdIrxzOToSgaSlOqbh7UYGP9VlxlQ8IX7af/nPuAHLkN03l84OesX7Q==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/stackblur-canvas/-/stackblur-canvas-2.1.0.tgz",
+      "integrity": "sha512-RwIUB2RMahW1gf0n98b/CpMnGtzepwD5Nn1RRXdg51FU5Sp5VWAbUEsGPQx7qbw7Ljkwwtzci/APw6G+y10k1w==",
       "dev": true
     },
     "stackframe": {

package.json

@@ -120,7 +120,7 @@
     "rollup-plugin-terser": "^3.0.0",
     "sinon": "^7.1.1",
     "sinon-test": "^2.4.0",
-    "stackblur-canvas": "^2.0.0",
+    "stackblur-canvas": "^2.1.0",
     "testcafe": "^0.23.2"
   }
 }