2018-11-30 01:35:21 +00:00
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'use strict';
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2021-01-01 14:27:58 +00:00
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(() => {
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/* Chrome reinjects content script when documentElement is replaced so we ignore it
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by checking against a literal `1`, not just `if (truthy)`, because <html id="INJECTED">
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is exposed per HTML spec as a global `window.INJECTED` */
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if (window.INJECTED === 1) return;
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2020-02-12 14:39:00 +00:00
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2020-10-07 20:27:38 +00:00
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//#region for content scripts and our extension pages
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2020-08-14 12:16:01 +00:00
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2020-11-11 11:53:40 +00:00
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if (!((window.browser || {}).runtime || {}).sendMessage) {
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/* Auto-promisifier with a fallback to direct call on signature error.
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The fallback isn't used now since we call all synchronous methods via `chrome` */
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const directEvents = ['addListener', 'removeListener', 'hasListener', 'hasListeners'];
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// generated by tools/chrome-api-no-cb.js
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const directMethods = {
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alarms: ['create'],
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extension: ['getBackgroundPage', 'getExtensionTabs', 'getURL', 'getViews', 'setUpdateUrlData'],
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i18n: ['getMessage', 'getUILanguage'],
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identity: ['getRedirectURL'],
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runtime: ['connect', 'connectNative', 'getManifest', 'getURL', 'reload', 'restart'],
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tabs: ['connect'],
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};
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const promisify = function (fn, ...args) {
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let res;
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try {
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let resolve, reject;
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/* Some callbacks have 2 parameters so we're resolving as an array in that case.
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For example, chrome.runtime.requestUpdateCheck and chrome.webRequest.onAuthRequired */
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args.push((...results) =>
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chrome.runtime.lastError ?
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reject(new Error(chrome.runtime.lastError.message)) :
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resolve(results.length <= 1 ? results[0] : results));
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fn.apply(this, args);
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res = new Promise((...rr) => ([resolve, reject] = rr));
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} catch (err) {
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if (!err.message.includes('No matching signature')) {
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throw err;
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}
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args.pop();
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res = fn.apply(this, args);
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}
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return res;
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};
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const proxify = (src, srcName, target, key) => {
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let res = src[key];
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if (res && typeof res === 'object') {
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res = createProxy(res, key); // eslint-disable-line no-use-before-define
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} else if (typeof res === 'function') {
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res = (directMethods[srcName] || directEvents).includes(key)
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? res.bind(src)
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: promisify.bind(src, res);
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}
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target[key] = res;
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return res;
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};
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const createProxy = (src, srcName) =>
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new Proxy({}, {
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get(target, key) {
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return target[key] || proxify(src, srcName, target, key);
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2020-10-07 20:27:38 +00:00
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},
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});
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2020-11-11 11:53:40 +00:00
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window.browser = createProxy(chrome);
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2018-11-30 01:35:21 +00:00
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}
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2020-02-12 14:39:00 +00:00
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2020-11-11 11:53:40 +00:00
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//#endregion
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2020-08-14 12:16:01 +00:00
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if (!chrome.tabs) return;
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2020-02-12 14:39:00 +00:00
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2020-10-07 20:27:38 +00:00
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//#region for our extension pages
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2018-11-30 01:35:21 +00:00
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2021-04-24 13:37:30 +00:00
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const reqPromise = {};
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2021-01-01 14:27:58 +00:00
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window.require = async function require(urls, cb) {
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const promises = [];
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const all = [];
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const toLoad = [];
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for (let url of Array.isArray(urls) ? urls : [urls]) {
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const isCss = url.endsWith('.css');
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const tag = isCss ? 'link' : 'script';
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const attr = isCss ? 'href' : 'src';
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if (!isCss && !url.endsWith('.js')) url += '.js';
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if (url.startsWith('/')) url = url.slice(1);
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let el = document.head.querySelector(`${tag}[${attr}$="${url}"]`);
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if (!el) {
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el = document.createElement(tag);
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toLoad.push(el);
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2021-04-24 13:37:30 +00:00
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reqPromise[url] = new Promise((resolve, reject) => {
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2021-01-01 14:27:58 +00:00
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el.onload = resolve;
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el.onerror = reject;
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el[attr] = url;
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if (isCss) el.rel = 'stylesheet';
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2021-04-24 13:37:30 +00:00
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}).catch(console.warn);
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2021-01-01 14:27:58 +00:00
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}
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2021-04-24 13:37:30 +00:00
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promises.push(reqPromise[url]);
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2021-01-01 14:27:58 +00:00
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all.push(el);
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}
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if (toLoad.length) document.head.append(...toLoad);
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if (promises.length) await Promise.all(promises);
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if (cb) cb(...all);
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return all[0];
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};
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2020-10-13 18:14:54 +00:00
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if (!(new URLSearchParams({foo: 1})).get('foo')) {
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// TODO: remove when minimum_chrome_version >= 61
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window.URLSearchParams = class extends URLSearchParams {
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constructor(init) {
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if (init && typeof init === 'object') {
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super();
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for (const [key, val] of Object.entries(init)) {
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this.set(key, val);
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}
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} else {
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super(...arguments);
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}
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}
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};
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}
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2020-11-11 11:53:40 +00:00
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2020-10-07 20:27:38 +00:00
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//#endregion
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2018-11-30 01:35:21 +00:00
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})();
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