☰

YouTube Chat Filter

Set up filters for stream chats

  1. // ==UserScript==
  2. // @name        YouTube Chat Filter
  3. // @version     1.23
  4. // @description Set up filters for stream chats
  5. // @author      Callum Latham
  6. // @namespace   https://gf.qytechs.cn/users/696211-ctl2
  7. // @license     MIT
  8. // @match       *://www.youtube.com/*
  9. // @match       *://youtube.com/*
  10. // @exclude     *://www.youtube.com/embed/*
  11. // @exclude     *://youtube.com/embed/*
  12. // @require     https://update.gf.qytechs.cn/scripts/446506/1537901/%24Config.js
  13. // @require     https://gf.qytechs.cn/scripts/449472-boolean/code/$Boolean.js?version=1081058
  14. // @grant       GM.setValue
  15. // @grant       GM.getValue
  16. // @grant       GM.deleteValue
  17. // ==/UserScript==
  18.  
  19. /* global $Config */
  20. /* global $Boolean */
  21.  
  22. (() => {
  23. // Don't run outside the chat frame
  24. if (!window.frameElement || window.frameElement.id !== 'chatframe') {
  25. 	// noinspection JSAnnotator
  26. 	return;
  27. }
  28.  
  29. window.addEventListener('load', async () => {
  30. 	// STATIC CONSTS
  31. 	
  32. 	const LONG_PRESS_TIME = 400;
  33. 	const ACTIVE_COLOUR = 'var(--yt-spec-call-to-action)';
  34. 	const CHAT_LIST_SELECTOR = '#items.yt-live-chat-item-list-renderer';
  35. 	const FILTER_CLASS = 'cf';
  36. 	const TAGS_FILTERABLE = [
  37. 		'YT-LIVE-CHAT-TEXT-MESSAGE-RENDERER',
  38. 		'YT-LIVE-CHAT-PAID-MESSAGE-RENDERER',
  39. 		'YT-LIVE-CHAT-MEMBERSHIP-ITEM-RENDERER',
  40. 		'YTD-SPONSORSHIPS-LIVE-CHAT-GIFT-PURCHASE-ANNOUNCEMENT-RENDERER',
  41. 		'YTD-SPONSORSHIPS-LIVE-CHAT-GIFT-REDEMPTION-ANNOUNCEMENT-RENDERER',
  42. 		'YT-LIVE-CHAT-PAID-STICKER-RENDERER',
  43. 	];
  44. 	const PRIORITIES = {
  45. 		VERIFIED: 'Verification Badge',
  46. 		MODERATOR: 'Moderator Badge',
  47. 		MEMBER: 'Membership Badge',
  48. 		LONG: 'Long',
  49. 		RECENT: 'Recent',
  50. 		SUPERCHAT: 'Superchat',
  51. 		STICKER: 'Sticker',
  52. 		MEMBERSHIP_RENEWAL: 'Membership Purchase',
  53. 		MEMBERSHIP_GIFT_OUT: 'Membership Gift (Given)',
  54. 		MEMBERSHIP_GIFT_IN: 'Membership Gift (Received)',
  55. 		EMOJI: 'Emojis',
  56. 	};
  57. 	
  58. 	// ELEMENT CONSTS
  59. 	
  60. 	const STREAMER = window.parent.document.querySelector('#upload-info > #channel-name').innerText;
  61. 	const ROOT_ELEMENT = document.body.querySelector('#chat');
  62. 	const [BUTTON, SVG, COUNTER] = await (async () => {
  63. 		const SVG_NAMESPACE = 'http://www.w3.org/2000/svg';
  64. 		
  65. 		const [button, svgContainer, svg] = await new Promise((resolve) => {
  66. 			const template = document.body.querySelector('#live-chat-header-context-menu');
  67. 			const button = template.querySelector('button').cloneNode(true);
  68. 			const svgContainer = button.querySelector('yt-icon');
  69. 			
  70. 			button.style.visibility = 'hidden';
  71. 			
  72. 			button.querySelector('yt-touch-feedback-shape').remove();
  73. 			
  74. 			template.parentElement.insertBefore(button, template);
  75. 			
  76. 			window.setTimeout(() => {
  77. 				const path = document.createElementNS(SVG_NAMESPACE, 'path');
  78. 				
  79. 				path.setAttribute('d', 'M128.25,175.6c1.7,1.8,2.7,4.1,2.7,6.6v139.7l60-51.3v-88.4c0-2.5,1-4.8,2.7-6.6L295.15,65H26.75L128.25,175.6z');
  80. 				
  81. 				const rectangle = document.createElementNS(SVG_NAMESPACE, 'rect');
  82. 				
  83. 				rectangle.setAttribute('x', '13.95');
  84. 				rectangle.setAttribute('y', '0');
  85. 				rectangle.setAttribute('width', '294');
  86. 				rectangle.setAttribute('height', '45');
  87. 				
  88. 				const svg = document.createElementNS(SVG_NAMESPACE, 'svg');
  89. 				
  90. 				svg.setAttribute('viewBox', '-50 -50 400 400');
  91. 				svg.setAttribute('x', '0');
  92. 				svg.setAttribute('y', '0');
  93. 				svg.setAttribute('focusable', 'false');
  94. 				
  95. 				svg.append(path, rectangle);
  96. 				
  97. 				svgContainer.innerHTML = trustedTypes?.emptyHTML ?? '';
  98. 				svgContainer.append(svg);
  99. 				
  100. 				button.style.removeProperty('visibility');
  101. 				
  102. 				button.style.setProperty('display', 'contents');
  103. 				
  104. 				resolve([button, svgContainer, svg]);
  105. 			}, 0);
  106. 		});
  107. 		
  108. 		const counter = (() => {
  109. 			const container = document.createElement('div');
  110. 			
  111. 			container.style.position = 'absolute';
  112. 			container.style.left = '9px';
  113. 			container.style.bottom = '9px';
  114. 			container.style.fontSize = '1.1em';
  115. 			container.style.lineHeight = 'normal';
  116. 			container.style.width = '1.6em';
  117. 			container.style.display = 'flex';
  118. 			container.style.alignItems = 'center';
  119. 			
  120. 			const svg = (() => {
  121. 				const circle = document.createElementNS(SVG_NAMESPACE, 'circle');
  122. 				
  123. 				circle.setAttribute('r', '50');
  124. 				circle.style.color = 'var(--yt-live-chat-header-background-color)';
  125. 				circle.style.opacity = '0.65';
  126. 				
  127. 				const svg = document.createElementNS(SVG_NAMESPACE, 'svg');
  128. 				
  129. 				svg.setAttribute('viewBox', '-70 -70 140 140');
  130. 				
  131. 				svg.append(circle);
  132. 				
  133. 				return svg;
  134. 			})();
  135. 			
  136. 			const text = document.createElement('span');
  137. 			
  138. 			text.style.position = 'absolute';
  139. 			text.style.width = '100%';
  140. 			text.innerText = '?';
  141. 			
  142. 			container.append(text, svg);
  143. 			
  144. 			svgContainer.append(container);
  145. 			
  146. 			return text;
  147. 		})();
  148. 		
  149. 		return [button, svg, counter];
  150. 	})();
  151. 	
  152. 	// STATE INTERFACES
  153. 	
  154. 	const $active = new $Boolean('YTCF_IS_ACTIVE');
  155. 	
  156. 	const $config = new $Config(
  157. 		'YTCF_TREE',
  158. 		{
  159. 			get: ({children: [{children}, {children: [{value: caseSensitive}]}]}, configs) => {
  160. 				const filters = [];
  161. 				
  162. 				const getRegex = caseSensitive ? ({value}) => new RegExp(value) : ({value}) => new RegExp(value, 'i');
  163. 				const matchesStreamer = (node) => getRegex(node).test(STREAMER);
  164. 				
  165. 				for (const filter of children) {
  166. 					const [{'children': streamers}, {'children': authors}, {'children': messages}] = filter.children;
  167. 					
  168. 					if (streamers.length === 0 || streamers.some(matchesStreamer)) {
  169. 						filters.push({
  170. 							authors: authors.map(getRegex),
  171. 							messages: messages.map(getRegex),
  172. 						});
  173. 					}
  174. 				}
  175. 				
  176. 				return Object.assign({filters}, ...configs);
  177. 			},
  178. 			children: [
  179. 				{
  180. 					label: 'Filters',
  181. 					children: [],
  182. 					seed: {
  183. 						label: 'Description',
  184. 						value: '',
  185. 						children: ['Streamer', 'Author', 'Message'].map((target) => ({
  186. 							label: `${target} Regex`,
  187. 							children: [],
  188. 							seed: {
  189. 								value: '^',
  190. 								predicate: (value) => {
  191. 									try {
  192. 										RegExp(value);
  193. 									} catch {
  194. 										return 'Value must be a valid regular expression.';
  195. 									}
  196. 									
  197. 									return true;
  198. 								},
  199. 							},
  200. 						})),
  201. 					},
  202. 				},
  203. 				{
  204. 					label: 'Options',
  205. 					children: [
  206. 						{
  207. 							label: 'Case-Sensitive Regex?',
  208. 							value: false,
  209. 						},
  210. 						{
  211. 							label: 'Pause on Mouse Over?',
  212. 							value: false,
  213. 							get: ({value: pauseOnHover}) => ({pauseOnHover}),
  214. 						},
  215. 						{
  216. 							label: 'Queue Time (ms)',
  217. 							value: 0,
  218. 							predicate: (value) => value >= 0 ? true : 'Queue time must be positive',
  219. 							get: ({value: queueTime}) => ({queueTime}),
  220. 						},
  221. 					],
  222. 				},
  223. 				{
  224. 					label: 'Preferences',
  225. 					children: (() => {
  226. 						const EVALUATORS = (() => {
  227. 							const getEvaluator = (evaluator, isDesired) => isDesired ? evaluator : (_) => 1 - evaluator(_);
  228. 							
  229. 							return {
  230. 								// Special tests
  231. 								[PRIORITIES.RECENT]: getEvaluator.bind(null, () => 1),
  232. 								[PRIORITIES.LONG]: getEvaluator.bind(null, (_) => _.querySelector('#message').textContent.length),
  233. 								// Tests for message type
  234. 								[PRIORITIES.SUPERCHAT]: getEvaluator.bind(null, (_) => _.matches('yt-live-chat-paid-message-renderer')),
  235. 								[PRIORITIES.STICKER]: getEvaluator.bind(null, (_) => _.matches('yt-live-chat-paid-sticker-renderer')),
  236. 								[PRIORITIES.MEMBERSHIP_RENEWAL]: getEvaluator.bind(null, (_) => _.matches('yt-live-chat-membership-item-renderer')),
  237. 								[PRIORITIES.MEMBERSHIP_GIFT_OUT]: getEvaluator.bind(null, (_) => _.matches('ytd-sponsorships-live-chat-gift-purchase-announcement-renderer')),
  238. 								[PRIORITIES.MEMBERSHIP_GIFT_IN]: getEvaluator.bind(null, (_) => _.matches('ytd-sponsorships-live-chat-gift-redemption-announcement-renderer')),
  239. 								// Tests for descendant element presence
  240. 								[PRIORITIES.EMOJI]: getEvaluator.bind(null, (_) => Boolean(_.querySelector('.emoji'))),
  241. 								[PRIORITIES.MEMBER]: getEvaluator.bind(null, (_) => Boolean(_.querySelector('#chat-badges > [type=member]'))),
  242. 								[PRIORITIES.MODERATOR]: getEvaluator.bind(null, (_) => Boolean(_.querySelector('#chip-badges > [type=verified]'))),
  243. 								[PRIORITIES.VERIFIED]: getEvaluator.bind(null, (_) => Boolean(_.querySelector('#chat-badges > [type=moderator]'))),
  244. 							};
  245. 						})();
  246. 						
  247. 						const poolId = 0;
  248. 						
  249. 						return [
  250. 							{
  251. 								label: 'Requirements',
  252. 								get: (_, configs) => ({requirements: Object.assign(...configs)}),
  253. 								children: [
  254. 									['OR', 'soft'],
  255. 									['AND', 'hard'],
  256. 								].map(([label, key]) => ({
  257. 									label,
  258. 									children: [],
  259. 									poolId,
  260. 									get: ({children}) => ({[key]: children.map(({label, 'value': isDesired}) => EVALUATORS[label](isDesired))}),
  261. 								})),
  262. 							},
  263. 							{
  264. 								label: 'Priorities (High to Low)',
  265. 								poolId,
  266. 								get: ({children}) => {
  267. 									const getComparitor = (getValue, low, high) => {
  268. 										low = getValue(low);
  269. 										high = getValue(high);
  270. 										
  271. 										return low < high ? -1 : low === high ? 0 : 1;
  272. 									};
  273. 									
  274. 									return {comparitors: children.map(({label, 'value': isDesired}) => getComparitor.bind(null, EVALUATORS[label](isDesired)))};
  275. 								},
  276. 								children: Object.values(PRIORITIES).map((label) => ({
  277. 									label,
  278. 									value: label !== PRIORITIES.EMOJI && label !== PRIORITIES.MEMBERSHIP_GIFT_IN,
  279. 								})),
  280. 							},
  281. 						];
  282. 					})(),
  283. 				},
  284. 			],
  285. 		},
  286. 		{
  287. 			headBase: '#c80000',
  288. 			headButtonExit: '#000000',
  289. 			borderHead: '#ffffff',
  290. 			borderTooltip: '#c80000',
  291. 		},
  292. 		{
  293. 			zIndex: 10000,
  294. 			scrollbarColor: 'initial',
  295. 		},
  296. 	);
  297. 	
  298. 	// CSS
  299. 	
  300. 	(function style() {
  301. 		function addStyle(sheet, selector, rules) {
  302. 			const ruleString = rules.map(
  303. 				([selector, rule]) => `${selector}:${typeof rule === 'function' ? rule() : rule} !important;`,
  304. 			);
  305. 			
  306. 			sheet.insertRule(`${selector}{${ruleString.join('')}}`);
  307. 		}
  308. 		
  309. 		const styleElement = document.createElement('style');
  310. 		const {sheet} = document.head.appendChild(styleElement);
  311. 		
  312. 		const styles = [
  313. 			[`${CHAT_LIST_SELECTOR}`, [['bottom', 'inherit']]],
  314. 			[`${CHAT_LIST_SELECTOR} > :not(.${FILTER_CLASS})`, [['display', 'none']]],
  315. 		];
  316. 		
  317. 		for (const style of styles) {
  318. 			addStyle(sheet, style[0], style[1]);
  319. 		}
  320. 	})();
  321. 	
  322. 	// STATE
  323. 	
  324. 	let queuedPost;
  325. 	
  326. 	// FILTERING
  327. 	
  328. 	function doFilter(isInitial = true) {
  329. 		const chatListElement = ROOT_ELEMENT.querySelector(CHAT_LIST_SELECTOR);
  330. 		
  331. 		let doQueue = false;
  332. 		let paused = false;
  333. 		
  334. 		function showPost(post, queueNext) {
  335. 			const config = $config.get();
  336. 			
  337. 			post.classList.add(FILTER_CLASS);
  338. 			
  339. 			queuedPost = undefined;
  340. 			
  341. 			if (queueNext && config && config.queueTime > 0) {
  342. 				// Start queueing
  343. 				doQueue = true;
  344. 				
  345. 				window.setTimeout(() => {
  346. 					doQueue = false;
  347. 					
  348. 					// Unqueue
  349. 					if (!paused) {
  350. 						acceptPost();
  351. 					}
  352. 				}, config.queueTime);
  353. 			}
  354. 		}
  355. 		
  356. 		function acceptPost(post = queuedPost, allowQueue = true) {
  357. 			if (!post) {
  358. 				return;
  359. 			}
  360. 			
  361. 			if (allowQueue && (doQueue || paused)) {
  362. 				queuedPost = post;
  363. 			} else {
  364. 				showPost(post, allowQueue);
  365. 			}
  366. 		}
  367. 		
  368. 		window.document.body.addEventListener('mouseenter', () => {
  369. 			const config = $config.get();
  370. 			
  371. 			if (config && config.pauseOnHover) {
  372. 				paused = true;
  373. 			}
  374. 		});
  375. 		
  376. 		window.document.body.addEventListener('mouseleave', () => {
  377. 			const config = $config.get();
  378. 			
  379. 			paused = false;
  380. 			
  381. 			if (config && config.pauseOnHover) {
  382. 				acceptPost();
  383. 			}
  384. 		});
  385. 		
  386. 		function processPost(post, allowQueue = true) {
  387. 			const config = $config.get();
  388. 			const isFilterable = config && $active.get() && TAGS_FILTERABLE.includes(post.tagName);
  389. 			
  390. 			if (isFilterable) {
  391. 				if (
  392. 					config.filters.some((filter) =>
  393. 					// Test author filter
  394. 						filter.authors.length > 0 && filter.authors.some((_) => _.test(post.querySelector('#author-name')?.textContent))
  395. 						// Test message filter
  396. 						|| filter.messages.length > 0 && filter.messages.some((_) => _.test(post.querySelector('#message')?.textContent)),
  397. 					)
  398. 					// Test requirements
  399. 					|| config.requirements.soft.length > 0 && !config.requirements.soft.some((passes) => passes(post))
  400. 					|| config.requirements.hard.some((passes) => !passes(post))
  401. 				) {
  402. 					return;
  403. 				}
  404. 				
  405. 				// Test inferior to queued post
  406. 				if (queuedPost) {
  407. 					for (const comparitor of config.comparitors) {
  408. 						const rating = comparitor(post, queuedPost);
  409. 						
  410. 						if (rating < 0) {
  411. 							return;
  412. 						}
  413. 						
  414. 						if (rating > 0) {
  415. 							break;
  416. 						}
  417. 					}
  418. 				}
  419. 			}
  420. 			
  421. 			acceptPost(post, isFilterable && allowQueue);
  422. 		}
  423. 		
  424. 		if (isInitial) {
  425. 			// Process initial messages
  426. 			for (const post of chatListElement.children) {
  427. 				processPost(post, false);
  428. 			}
  429. 			
  430. 			// Re-sizes the chat after removing initial messages
  431. 			chatListElement.parentElement.style.height = `${chatListElement.clientHeight}px`;
  432. 			
  433. 			// Restart if the chat element gets replaced
  434. 			// This happens when switching between 'Top Chat Replay' and 'Live Chat Replay'
  435. 			new MutationObserver((mutations) => {
  436. 				for (const {addedNodes} of mutations) {
  437. 					for (const node of addedNodes) {
  438. 						if (node.matches('yt-live-chat-item-list-renderer')) {
  439. 							doFilter(false);
  440. 						}
  441. 					}
  442. 				}
  443. 			}).observe(
  444. 				ROOT_ELEMENT.querySelector('#item-list'),
  445. 				{childList: true},
  446. 			);
  447. 		}
  448. 		
  449. 		// Handle new posts
  450. 		new MutationObserver((mutations) => {
  451. 			for (const {addedNodes} of mutations) {
  452. 				for (const addedNode of addedNodes) {
  453. 					processPost(addedNode);
  454. 				}
  455. 			}
  456. 		}).observe(
  457. 			chatListElement,
  458. 			{childList: true},
  459. 		);
  460. 	}
  461. 	
  462. 	// MAIN
  463. 	
  464. 	(() => {
  465. 		let timeout;
  466. 		
  467. 		const updateSvg = () => {
  468. 			SVG.style[`${$active.get() ? 'set' : 'remove'}Property`]('color', ACTIVE_COLOUR);
  469. 		};
  470. 		
  471. 		const updateCounter = () => {
  472. 			const config = $config.get();
  473. 			const count = config ? config.filters.length : 0;
  474. 			
  475. 			queuedPost = undefined;
  476. 			
  477. 			COUNTER.style[`${count > 0 ? 'set' : 'remove'}Property`]('color', ACTIVE_COLOUR);
  478. 			
  479. 			COUNTER.innerText = `${count}`;
  480. 		};
  481. 		
  482. 		const onShortClick = (event) => {
  483. 			if (timeout && event.button === 0) {
  484. 				timeout = window.clearTimeout(timeout);
  485. 				
  486. 				$active.toggle();
  487. 				
  488. 				updateSvg();
  489. 			}
  490. 		};
  491. 		
  492. 		const onLongClick = () => {
  493. 			timeout = undefined;
  494. 			
  495. 			$config.edit()
  496. 				.then(updateCounter)
  497. 				.catch(({message}) => {
  498. 					if (window.confirm(`${message}\n\nWould you like to erase your data?`)) {
  499. 						$config.reset();
  500. 						
  501. 						updateCounter();
  502. 					}
  503. 				});
  504. 		};
  505. 		
  506. 		Promise.all([
  507. 			$active.init()
  508. 				.then(updateSvg),
  509. 			$config.ready
  510. 				.catch(async (e) => {
  511. 					const tree = await GM.getValue('YTCF_TREE');
  512. 					const {children} = tree.children[2].children[1];
  513. 					
  514. 					if (children.some(({label}) => label === PRIORITIES.STICKER)) {
  515. 						throw e;
  516. 					}
  517. 					
  518. 					// Copy superchat info onto new sticker entry
  519. 					const refIndex = children.findIndex(({label}) => label === PRIORITIES.SUPERCHAT);
  520. 					
  521. 					// Try fixing error by adding the new 'Sticker' entry to the 'priorities' subtree
  522. 					children.splice(refIndex, 0, {
  523. 						label: PRIORITIES.STICKER,
  524. 						value: children[refIndex].value,
  525. 					});
  526. 					
  527. 					await GM.setValue('YTCF_TREE', tree);
  528. 					
  529. 					await $config.ready;
  530. 				})
  531. 				.finally(updateCounter),
  532. 		])
  533. 			.then(() => {
  534. 				// Start filtering
  535. 				doFilter();
  536. 				
  537. 				// Add short click listener
  538. 				BUTTON.addEventListener('mouseup', onShortClick);
  539. 				
  540. 				// Add long click listener
  541. 				BUTTON.addEventListener('mousedown', (event) => {
  542. 					if (event.button === 0) {
  543. 						timeout = window.setTimeout(onLongClick, LONG_PRESS_TIME);
  544. 					}
  545. 				});
  546. 			});
  547. 	})();
  548. });
  549. })();

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