- Linting (ESLint): Prefer addEventListener, exponentiation operator, avoiding catastrophic regexes, prefer spread, prefer startsWith/endsWith, no fn ref in iterator

- npm: Update devDeps (rollup and eslint-config-ash-nazg)

editor/extensions/ext-connector.js

@@ -1,3 +1,4 @@
+/* eslint-disable unicorn/no-fn-reference-in-iterator */
 /**
  * ext-connector.js
  *

editor/extensions/imagelib/index.js

@@ -20,7 +20,7 @@ $('a').click(function () {
   });
   if (!href.includes('.svg')) {
     const img = new Image();
-    img.onload = function () {
+    img.addEventListener('load', function () {
       const canvas = document.createElement('canvas');
       canvas.width = this.width;
       canvas.height = this.height;
@@ -37,7 +37,7 @@ $('a').click(function () {
         data = '';
       }
       post({href, data});
-    };
+    });
     img.src = href;
   } else {
     // Do ajax request for image's href value