To disable Service Worker (sw.js)
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// ==UserScript==
// @name YouTube - Disable Service Worker
// @name:ja YouTube - Disable Service Worker
// @name:zh-TW YouTube - Disable Service Worker
// @name:zh-CN YouTube - Disable Service Worker
// @namespace UserScripts
// @version 0.0.2
// @match https://www.youtube.com/*
// @match https://www.youtube-nocookie.com/embed/*
// @match https://studio.youtube.com/live_chat*
// @license MIT
// @author CY Fung
// @icon https://raw.githubusercontent.com/cyfung1031/userscript-supports/main/icons/yt-engine.png
// @grant none
// @run-at document-start
// @unwrap
// @inject-into page
// @allFrames true
// @exclude /^https?://\S+\.(txt|png|jpg|jpeg|gif|xml|svg|manifest|log|ini)[^\/]*$/
//
// @description To disable Service Worker (sw.js)
// @description:ja To disable Service Worker (sw.js)
// @description:zh-TW To disable Service Worker (sw.js)
// @description:zh-CN To disable Service Worker (sw.js)
//
// ==/UserScript==
if (typeof ServiceWorkerContainer === "function" && typeof ServiceWorkerRegistration === "function" && typeof (ServiceWorkerContainer.prototype || 0).getRegistrations === 'function') {
const filterSW = (reg) => {
if (typeof reg === 'string') {
return `${reg}`.endsWith('sw.js');
}
if (reg instanceof ServiceWorkerRegistration) {
return `${reg.scriptURL}`.endsWith('/sw.js');
}
};
const unRegisterAll = () => {
const sw = ((typeof navigator === 'object' ? navigator : null) || 0).serviceWorker || 0;
if (sw && typeof sw.getRegistrations === 'function') {
sw.getRegistrations().then(e => e.length >= 1 && Promise.all(e.filter(filterSW).map(e => e.unregister().catch(console.warn)))).catch(console.warn);
}
}
let i = 0;
(new MutationObserver((mutations, observer) => {
if (typeof yt !== 'object' || !document.querySelector('script')) return;
if (i < 394 && document.readyState === "complete") i = 394;
if (++i > 400) {
observer.disconnect();
return;
}
if (typeof navigator !== "object") return;
if (!('serviceWorker' in navigator) || !navigator.serviceWorker) return;
if (typeof navigator.serviceWorker.getRegistrations !== "function") return;
unRegisterAll();
})).observe(document, { subtree: true, childList: true, attributes: true });
ServiceWorkerContainer.prototype.register767 = ServiceWorkerContainer.prototype.register;
ServiceWorkerContainer.prototype.register = function () {
if (!filterSW(`${arguments[0]}`)) {
return this.register767(...arguments);
}
if (i < 394) i = 394;
Promise.resolve().then(unRegisterAll);
return new Promise(() => { });
};
Promise.resolve().then(unRegisterAll);
unRegisterAll();
}