// ==UserScript==
// @name         Fix Brave Bug for YouTube Live Chat
// @namespace    UserScripts
// @version      3.36
// @description  To Fix Brave Bug for YouTube Live Chat
// @author       CY Fung
// @license      MIT
// @icon         https://cdn.jsdelivr.net/gh/cyfung1031/userscript-supports@main/icons/brave.png
// @match        https://www.youtube.com/*
// @grant        none
// @run-at       document-start
// @unwrap
// @inject-into  page
// ==/UserScript==
(async () => {
'use strict';
/** @type {globalThis.PromiseConstructor} */
const Promise = (async () => { })().constructor;
const insp = o => o ? (o.polymerController || o.inst || o || 0) : (o || 0);
const setTimeout_ = setTimeout.bind(window);
await customElements.whenDefined('ytd-live-chat-frame');
const chat = document.querySelector('ytd-live-chat-frame') || document.createElement('ytd-live-chat-frame');
if (!chat || chat.is !== 'ytd-live-chat-frame') return;
const cnt = insp(chat);
const cProto = cnt.constructor.prototype || 0;
if (typeof cProto.urlChanged === 'function' && !cProto.urlChanged66 && !cProto.urlChangedAsync12 && cProto.urlChanged.length === 0) {
cProto.urlChanged66 = cProto.urlChanged;
let ath = 0;
cProto.urlChangedAsync12 = async function () {
const t = ath = (ath & 1073741823) + 1;
const chatframe = this.chatframe || (this.$ || 0).chatframe || 0;
if (chatframe instanceof HTMLIFrameElement) {
if (chatframe.contentDocument === null) {
await Promise.resolve('#').catch(console.warn);
if (t !== ath) return;
}
await new Promise(resolve => setTimeout_(resolve, 1)).catch(console.warn); // neccessary for Brave
if (t !== ath) return;
const isBlankPage = !this.data || this.collapsed;
const p1 = new Promise(resolve => setTimeout_(resolve, 706)).catch(console.warn);
const p2 = new Promise(resolve => {
(new IntersectionObserver((entries, observer) => {
for (const entry of entries) {
const rect = entry.boundingClientRect || 0;
if (isBlankPage || (rect.width > 0 && rect.height > 0)) {
observer.disconnect();
resolve('#');
break;
}
}
})).observe(chatframe);
}).catch(console.warn);
await Promise.race([p1, p2]);
if (t !== ath) return;
}
this.urlChanged66();
}
cProto.urlChanged = function () {
this.urlChangedAsync12();
}
}
})();