// ==UserScript==
// @name        Block Service Workers
// @name:zh-CN  禁用Service Workers
// @namespace   Violentmonkey Scripts
// @match       *://*/*
// @unwrap
// @version     0.2
// @author      axototl
// @inject-into page
// @sandbox     JavaScript
// @license     AGPL-3.0-or-later
// @description Blocks Service Worker's registration.
// @description:zh-CN 阻止Service Worker，并移除现有的Service Worker，杜绝网上垃圾。
// @run-at      document-start
// @downloadURL none
// ==/UserScript==

(() => {
    'use strict';
    if (!('serviceWorker' in navigator)) return;
    console.log("Removing Service Workers API, please wait...");
    navigator.serviceWorker.register = () => new Promise((res, rej) => rej("This method is not allowed!"));
    console.log("Deregistering Installed Service Workers, please wait...");
    (async () => {
        let arrs = await navigator.serviceWorker.getRegistrations();
        for (const it of arrs) it.unregister();
    })();
    console.log("All done!");
    // GM_registerMenuCommand("注销Service Workers", logout);
})();