forked from mirrors/gecko-dev
35 lines
1,005 B
JavaScript
35 lines
1,005 B
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 1448747 - Neutralize FastClick
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*
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* The patch is applied on sites using FastClick library
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* to make sure `FastClick.notNeeded` returns `true`.
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* This allows to disable FastClick and fix various breakage caused
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* by the library (mainly non-functioning drop-down lists).
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*/
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/* globals exportFunction */
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(function () {
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const proto = CSS2Properties.prototype.wrappedJSObject;
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const descriptor = Object.getOwnPropertyDescriptor(proto, "touchAction");
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const { get } = descriptor;
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descriptor.get = exportFunction(function () {
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try {
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throw Error();
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} catch (e) {
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if (e.stack?.includes("notNeeded")) {
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return "none";
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}
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}
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return get.call(this);
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}, window);
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Object.defineProperty(proto, "touchAction", descriptor);
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})();
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