forked from mirrors/gecko-dev
75 lines
1.7 KiB
JavaScript
75 lines
1.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/**
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* Bug 1738220 - Shim Conversant FastClick
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*
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* Sites assuming FastClick will load can break if it is blocked.
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* This shim mitigates that breakage.
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*/
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// FastClick bundles nodeJS packages/core-js/internals/dom-iterables.js
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// which is known to be needed by at least one site.
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if (!HTMLCollection.prototype.forEach) {
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const DOMIterables = [
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"CSSRuleList",
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"CSSStyleDeclaration",
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"CSSValueList",
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"ClientRectList",
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"DOMRectList",
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"DOMStringList",
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"DOMTokenList",
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"DataTransferItemList",
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"FileList",
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"HTMLAllCollection",
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"HTMLCollection",
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"HTMLFormElement",
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"HTMLSelectElement",
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"MediaList",
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"MimeTypeArray",
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"NamedNodeMap",
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"NodeList",
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"PaintRequestList",
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"Plugin",
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"PluginArray",
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"SVGLengthList",
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"SVGNumberList",
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"SVGPathSegList",
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"SVGPointList",
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"SVGStringList",
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"SVGTransformList",
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"SourceBufferList",
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"StyleSheetList",
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"TextTrackCueList",
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"TextTrackList",
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"TouchList",
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];
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const forEach = Array.prototype.forEach;
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const handlePrototype = proto => {
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if (!proto || proto.forEach === forEach) {
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return;
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}
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try {
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Object.defineProperty(proto, "forEach", {
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enumerable: false,
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get: () => forEach,
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});
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} catch (_) {
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proto.forEach = forEach;
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}
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};
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for (const name of DOMIterables) {
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handlePrototype(window[name]?.prototype);
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}
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}
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if (!window.conversant?.launch) {
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const c = (window.conversant = window.conversant || {});
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c.launch = () => {};
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}
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