add more linter warnings

.eslintrc.js

@@ -30,6 +30,14 @@ module.exports = {
     "array-bracket-spacing": [ "error", "always" ],
     "comma-spacing": "error",
     "object-curly-spacing": [ "error", "always" ],
+    "valid-jsdoc": "warn",
+    "no-console": [
+      "warn",
+      { "allow": [ "warn", "error", "info", "table" ] }
+    ],
+    "no-param-reassign": [ "warn", { "props": false } ],
+    "max-len": [ "warn", { "code": 150 } ],
+    "arrow-parens": [ "error", "always" ],
   },
   overrides: [
     {
@@ -41,9 +49,7 @@ module.exports = {
         mocha: true,
         node: true
       },
-      globals: {
+      globals: { "assert": true },
-        "assert": true
-      },
       rules: {
         // with ci, instrumented is not created before linter
         "import/no-unresolved": [ 2, { ignore: [ 'instrumented' ] } ],

src/editor/MainMenu.js

@@ -331,7 +331,7 @@ class MainMenu {
      */
 
     $id("tool_clear").addEventListener("click", this.clickClear.bind(this));
-    $id("tool_open").addEventListener("click", e => {
+    $id("tool_open").addEventListener("click", (e) => {
       e.preventDefault();
       this.clickOpen();
       window.dispatchEvent(new CustomEvent("openImage"));

src/editor/components/jgraduate/Util.js

@@ -23,7 +23,7 @@ export function isObject(item) {
 export function mergeDeep(target, source) {
   let output = Object.assign({}, target);
   if (isObject(target) && isObject(source)) {
-    Object.keys(source).forEach(key => {
+    Object.keys(source).forEach((key) => {
       if (isObject(source[key])) {
         if (!(key in target))
           Object.assign(output, { [key]: source[key] });

src/editor/extensions/ext-overview_window/ext-overview_window.js

@@ -136,7 +136,7 @@ export default {
     const parentElem = document.querySelector("#overviewMiniView");
     dragmove(dragElem, dragElem, parentElem, onStart, onEnd, onDrag);
 
-    $id("overviewMiniView").addEventListener("click", evt => {
+    $id("overviewMiniView").addEventListener("click", (evt) => {
       // Firefox doesn't support evt.offsetX and evt.offsetY.
       const mouseX = (evt.offsetX || evt.originalEvent.layerX);
       const mouseY = (evt.offsetY || evt.originalEvent.layerY);

src/editor/extensions/ext-polygon/ext-polygon.js

@@ -25,7 +25,7 @@ export default {
      * @param {boolean} on
      * @returns {void}
      */
-    const showPanel = on => {
+    const showPanel = (on) => {
       $id("polygon_panel").style.display = on ? "block" : "none";
     };
 
@@ -43,13 +43,13 @@ export default {
      * @param {Float} n
      * @returns {Float}
      */
-    const cot = n => 1 / Math.tan(n);
+    const cot = (n) => 1 / Math.tan(n);
 
     /**
      * @param {Float} n
      * @returns {Float}
      */
-    const sec = n => 1 / Math.cos(n);
+    const sec = (n) => 1 / Math.cos(n);
 
     return {
       name: svgEditor.i18next.t(`${name}:name`),
@@ -88,7 +88,7 @@ export default {
         `;
         $id("tools_top").appendChild(panelTemplate.content.cloneNode(true));
         $id("polygon_panel").style.display = "none";
-        $id("polySides").addEventListener("change", event => {
+        $id("polySides").addEventListener("change", (event) => {
           setAttr("sides", event.target.value);
         });
       },

src/editor/panels/LayersPanel.js

@@ -173,7 +173,7 @@ class LayersPanel {
       "change",
       this.lmenuFunc.bind(this)
     );
-    $id("se-cmenu-layers-list").addEventListener("change", e => {
+    $id("se-cmenu-layers-list").addEventListener("change", (e) => {
       this.lmenuFunc(e);
     });
     $id("sidepanel_handle").addEventListener(
@@ -183,7 +183,7 @@ class LayersPanel {
     if (this.editor.configObj.curConfig.showlayers) {
       this.toggleSidePanel();
     }
-    $id("sidepanel_handle").addEventListener("mousedown", evt => {
+    $id("sidepanel_handle").addEventListener("mousedown", (evt) => {
       this.sidedrag = evt.pageX;
       window.addEventListener("mousemove", this.resizeSidePanel.bind(this));
       this.allowmove = false;
@@ -192,14 +192,14 @@ class LayersPanel {
         this.allowmove = true;
       }, 20);
     });
-    $id("sidepanel_handle").addEventListener("mouseup", _evt => {
+    $id("sidepanel_handle").addEventListener("mouseup", (_evt) => {
       if (!this.sidedragging) {
         this.toggleSidePanel();
       }
       this.sidedrag = -1;
       this.sidedragging = false;
     });
-    window.addEventListener("mouseup", _evt => {
+    window.addEventListener("mouseup", (_evt) => {
       this.sidedrag = -1;
       this.sidedragging = false;
       $id("svg_editor").removeEventListener(
@@ -353,7 +353,7 @@ class LayersPanel {
     }
 
     if (layerNameToHighlight) {
-      curNames.forEach(curName => {
+      curNames.forEach((curName) => {
         if (curName !== layerNameToHighlight) {
           this.editor.svgCanvas
             .getCurrentDrawing()
@@ -361,7 +361,7 @@ class LayersPanel {
         }
       });
     } else {
-      curNames.forEach(curName => {
+      curNames.forEach((curName) => {
         this.editor.svgCanvas.getCurrentDrawing().setLayerOpacity(curName, 1.0);
       });
     }

src/editor/panels/LeftPanel.js

@@ -28,7 +28,7 @@ class LeftPanel {
   updateLeftPanel(button) {
     if (button.disabled) return false;
     // remove the pressed state on other(s) button(s)
-    $qa("#tools_left *[pressed]").forEach(b => {
+    $qa("#tools_left *[pressed]").forEach((b) => {
       b.pressed = false;
     });
     // pressed state for the clicked button

src/editor/panels/TopPanel.js

@@ -152,7 +152,7 @@ class TopPanel {
    * @returns {void}
    */
   updateContextPanel() {
-    const setInputWidth = elem => {
+    const setInputWidth = (elem) => {
       const w = Math.min(Math.max(12 + elem.value.length * 6, 50), 300);
       elem.style.width = w + 'px';
     };
@@ -313,7 +313,7 @@ class TopPanel {
         const curPanel = panels[tagName];
         $id(tagName + "_panel").style.display = 'block';
 
-        curPanel.forEach(item => {
+        curPanel.forEach((item) => {
           let attrVal = elem.getAttribute(item);
           if (this.editor.configObj.curConfig.baseUnit !== "px" && elem[item]) {
             const bv = elem[item].baseVal.value;
@@ -1040,7 +1040,7 @@ class TopPanel {
       "click",
       this.clickGroup.bind(this)
     );
-    $id("tool_position").addEventListener("change", evt =>
+    $id("tool_position").addEventListener("change", (evt) =>
       this.clickAlignEle.bind(this)(evt)
     );
     $id("tool_align_left").addEventListener("click", () =>
@@ -1130,7 +1130,7 @@ class TopPanel {
       "image_height",
       "path_node_x",
       "path_node_y"
-    ].forEach(attrId =>
+    ].forEach((attrId) =>
       $id(attrId).addEventListener("change", this.attrChanger.bind(this))
     );
   }