Remove IE polyfills

xf- · xf- · commit 6e35ace89d9a · 2020-05-31T10:52:33.000+02:00
diff --git a/gulp/tasks/copy.js b/gulp/tasks/copy.js
@@ -6,8 +6,6 @@ module.exports = function (gulp, plugins, config) {
       .pipe(gulp.dest(config.build));
     gulp.src(['polyfill.js'])
       .pipe(gulp.dest(config.build + '/vendor'));
-    gulp.src(['node_modules/promise-polyfill/dist/polyfill.js'])
-      .pipe(gulp.dest(config.build + '/vendor/promise'));
     return gulp.src(['assets/fonts/*', 'assets/icons/fonts/*'])
       .pipe(gulp.dest(config.build + '/fonts'));
   };
diff --git a/html/index.html b/html/index.html
@@ -30,7 +30,6 @@
   <!-- contents of html partials will be injected here -->
   <!-- endinject -->
   <script src="vendor/polyfill.js" inline></script>
-  <script src="vendor/promise/polyfill.js" inline></script>
   <script src="app.js"></script>
 </head>
 <body>
diff --git a/package.json b/package.json
@@ -55,7 +55,6 @@
     "moment": "^2.26.0",
     "navigo": "^7.1.2",
     "node-polyglot": "2.2.2",
-    "promise-polyfill": "^8.1.3",
     "rbush": "^3.0.1",
     "requirejs": "^2.3.6",
     "snabbdom": "^0.7.4"
diff --git a/polyfill.js b/polyfill.js
@@ -1,12 +1,6 @@
 'use strict';
-// Polyfills for (old) mobile browsers and IE 11
+// Polyfills for (old) firefox 75
 // From https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/
-if (!String.prototype.includes) {
-  String.prototype.includes = function () {
-    return String.prototype.indexOf.apply(this, arguments) !== -1;
-  };
-}
-
 if (typeof Object.assign !== 'function') {
   Object.assign = function (target, varArgs) { // .length of function is 2
     if (target == null) { // TypeError if undefined or null
@@ -31,24 +25,6 @@ if (typeof Object.assign !== 'function') {
   };
 }
 
-// eslint-disable-next-line consistent-return
-(function () {
-  if (typeof window.CustomEvent === 'function') {
-    return false;
-  }
-
-  function CustomEvent(event, params) {
-    params = params || { bubbles: false, cancelable: false, detail: undefined };
-    var evt = document.createEvent('CustomEvent');
-    evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
-    return evt;
-  }
-
-  CustomEvent.prototype = window.Event.prototype;
-
-  window.CustomEvent = CustomEvent;
-})();
-
 if ('serviceWorker' in navigator) {
   navigator.serviceWorker.register('service-worker.js');
 }
diff --git a/yarn.lock b/yarn.lock
@@ -5387,11 +5387,6 @@ progress@^2.0.0:
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.3.tgz#7e8cf8d8f5b8f239c1bc68beb4eb78567d572ef8"
   integrity sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==
 
-promise-polyfill@^8.1.3:
-  version "8.1.3"
-  resolved "https://registry.yarnpkg.com/promise-polyfill/-/promise-polyfill-8.1.3.tgz#8c99b3cf53f3a91c68226ffde7bde81d7f904116"
-  integrity sha512-MG5r82wBzh7pSKDRa9y+vllNHz3e3d4CNj1PQE4BQYxLme0gKYYBm9YENq+UkEikyZ0XbiGWxYlVw3Rl9O/U8g==
-
 prop-types@^15.7.2:
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
