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