1 files changed, 0 insertions, 74 deletions
diff --git a/app/assets/javascripts/commons/polyfills/element.js b/app/assets/javascripts/commons/polyfills/element.js
deleted file mode 100644
index b13ceccf511..00000000000
--- a/app/assets/javascripts/commons/polyfills/element.js
+++ /dev/null
@@ -1,74 +0,0 @@
-/**
- * Polyfill
- * @what Element.classList
- * @why In order to align browser features
- * @browsers Internet Explorer 11
- * @see https://caniuse.com/#feat=classlist
- */
-import 'classlist-polyfill';
-
-/**
- * Polyfill
- * @what Element.closest
- * @why In order to align browser features
- * @browsers Internet Explorer 11
- * @see https://caniuse.com/#feat=element-closest
- */
-Element.prototype.closest =
-  Element.prototype.closest ||
-  function closest(selector, selectedElement = this) {
-    if (!selectedElement) return null;
-    return selectedElement.matches(selector)
-      ? selectedElement
-      : Element.prototype.closest(selector, selectedElement.parentElement);
-  };
-
-/**
- * Polyfill
- * @what Element.matches
- * @why In order to align browser features
- * @browsers Internet Explorer 11
- * @see https://caniuse.com/#feat=mdn-api_element_matches
- */
-Element.prototype.matches =
-  Element.prototype.matches ||
-  Element.prototype.matchesSelector ||
-  Element.prototype.mozMatchesSelector ||
-  Element.prototype.msMatchesSelector ||
-  Element.prototype.oMatchesSelector ||
-  Element.prototype.webkitMatchesSelector ||
-  function matches(selector) {
-    const elms = (this.document || this.ownerDocument).querySelectorAll(selector);
-    let i = elms.length - 1;
-    while (i >= 0 && elms.item(i) !== this) {
-      i -= 1;
-    }
-    return i > -1;
-  };
-
-/**
- * Polyfill
- * @what ChildNode.remove, Element.remove, CharacterData.remove, DocumentType.remove
- * @why In order to align browser features
- * @browsers Internet Explorer 11
- * @see https://caniuse.com/#feat=childnode-remove
- *
- * From the polyfill on MDN, https://developer.mozilla.org/en-US/docs/Web/API/ChildNode/remove#Polyfill
- */
-(arr => {
-  arr.forEach(item => {
-    if (Object.prototype.hasOwnProperty.call(item, 'remove')) {
-      return;
-    }
-    Object.defineProperty(item, 'remove', {
-      configurable: true,
-      enumerable: true,
-      writable: true,
-      value: function remove() {
-        if (this.parentNode !== null) {
-          this.parentNode.removeChild(this);
-        }
-      },
-    });
-  });
-})([Element.prototype, CharacterData.prototype, DocumentType.prototype]);