42 lines
1.4 KiB
JavaScript
42 lines
1.4 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 1939248 - Load event listener issue on rosasthai.com
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* WebCompat issue #145642 - https://webcompat.com/issues/145642
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*
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* The site assumes that its code will run before the window load event, and
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* so their buttons will not function properly if that is untrue. We can call
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* those event listeners immediately as they try to add them, if the document
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* readyState is already "complete", which fixes this bug.
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*/
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/* globals exportFunction */
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console.info(
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"running late window load listeners for compatibility reasons. See https://bugzilla.mozilla.org/show_bug.cgi?id=1939248 for details."
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);
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(function runLateWindowLoadEventListenersImmediately() {
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const { prototype } = window.wrappedJSObject.EventTarget;
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const { addEventListener } = prototype;
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prototype.addEventListener = exportFunction(function (type, b, c, d) {
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if (
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this !== window ||
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document?.readyState !== "complete" ||
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type?.toLowerCase() !== "load"
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) {
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return addEventListener.call(this, type, b, c, d);
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}
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console.log("window.addEventListener(load) called too late, so calling", b);
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try {
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b?.call();
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} catch (e) {
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console.error(e);
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}
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return undefined;
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}, window);
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})();
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