// ==UserScript== // @name YouTube Super Fast Chat // @version 0.11.5 // @license MIT // @name:ja YouTube スーパーファーストチャット // @name:zh-TW YouTube 超快聊天 // @name:zh-CN YouTube 超快聊天 // @icon https://github.com/cyfung1031/userscript-supports/raw/main/icons/super-fast-chat.png // @namespace UserScript // @match https://www.youtube.com/live_chat* // @author CY Fung // @require https://greasyfork.org/scripts/465819-api-for-customelements-in-youtube/code/API%20for%20CustomElements%20in%20YouTube.js?version=1215280 // @run-at document-start // @grant none // @unwrap // @allFrames true // @inject-into page // // @description Ultimate Performance Boost for YouTube Live Chats // @description:ja YouTubeのライブチャットの究極のパフォーマンスブースト // @description:zh-TW YouTube直播聊天的終極性能提升 // @description:zh-CN YouTube直播聊天的终极性能提升 // // @downloadURL none // ==/UserScript== ((__CONTEXT__) => { 'use strict'; const ENABLE_REDUCED_MAXITEMS_FOR_FLUSH = true; const MAX_ITEMS_FOR_TOTAL_DISPLAY = 90; const MAX_ITEMS_FOR_FULL_FLUSH = 25; const ENABLE_NO_SMOOTH_TRANSFORM = true; const USE_OPTIMIZED_ON_SCROLL_ITEMS = true; const USE_WILL_CHANGE_CONTROLLER = false; const ENABLE_FULL_RENDER_REQUIRED_PREFERRED = true; const ENABLE_OVERFLOW_ANCHOR_PREFERRED = true; const FIX_SHOW_MORE_BUTTON_LOCATION = true; const FIX_INPUT_PANEL_OVERFLOW_ISSUE = true; const FIX_INPUT_PANEL_BORDER_ISSUE = true; const SET_CONTAIN_FOR_CHATROOM = true; const FORCE_CONTENT_VISIBILITY_UNSET = true; const FORCE_WILL_CHANGE_UNSET = true; const ENABLE_RAF_HACK_TICKERS = true; // when there is a ticker const ENABLE_RAF_HACK_DOCKED_MESSAGE = true; // TBC const ENABLE_RAF_HACK_INPUT_RENDERER = true; // TBC const ENABLE_RAF_HACK_EMOJI_PICKER = true; // when change the page of emoji picker const ENABLE_FONT_PRE_RENDERING_PREFERRED = 1 | 2 | 4 | 8 | 16; console.assert(MAX_ITEMS_FOR_TOTAL_DISPLAY > 0 && MAX_ITEMS_FOR_FULL_FLUSH > 0 && MAX_ITEMS_FOR_TOTAL_DISPLAY > MAX_ITEMS_FOR_FULL_FLUSH) function dr(s) { // reserved for future use return s; // return window.deWeakJS ? window.deWeakJS(s) : s; } // necessity of cssText3_smooth_transform_position to be checked. const cssText3_smooth_transform_position = ENABLE_NO_SMOOTH_TRANSFORM ? ` #item-offset.style-scope.yt-live-chat-item-list-renderer > #items.style-scope.yt-live-chat-item-list-renderer { position: static !important; } `: ''; // fallback if dummy style fn fails const cssText4_smooth_transform_forced_props = ENABLE_NO_SMOOTH_TRANSFORM ? ` /* optional */ #item-offset.style-scope.yt-live-chat-item-list-renderer { height: auto !important; min-height: unset !important; } #items.style-scope.yt-live-chat-item-list-renderer { transform: translateY(0px) !important; } /* optional */ `: ''; const cssText5 = SET_CONTAIN_FOR_CHATROOM ? ` /* ------------------------------------------------------------------------------------------------------------- */ yt-live-chat-author-chip #chat-badges.yt-live-chat-author-chip, yt-live-chat-author-chip #chat-badges.yt-live-chat-author-chip yt-live-chat-author-badge-renderer, yt-live-chat-author-chip #chat-badges.yt-live-chat-author-chip yt-live-chat-author-badge-renderer #image, yt-live-chat-author-chip #chat-badges.yt-live-chat-author-chip yt-live-chat-author-badge-renderer #image img { contain: layout style; } #items.style-scope.yt-live-chat-item-list-renderer { contain: layout paint style; } #item-offset.style-scope.yt-live-chat-item-list-renderer { contain: style; } #item-scroller.style-scope.yt-live-chat-item-list-renderer { contain: size style; } #contents.style-scope.yt-live-chat-item-list-renderer, #chat.style-scope.yt-live-chat-renderer, img.style-scope.yt-img-shadow[width][height] { contain: size layout paint style; } .style-scope.yt-live-chat-ticker-renderer[role="button"][aria-label], .style-scope.yt-live-chat-ticker-renderer[role="button"][aria-label] > #container { contain: layout paint style; } yt-live-chat-text-message-renderer.style-scope.yt-live-chat-item-list-renderer, yt-live-chat-membership-item-renderer.style-scope.yt-live-chat-item-list-renderer, yt-live-chat-paid-message-renderer.style-scope.yt-live-chat-item-list-renderer, yt-live-chat-banner-manager.style-scope.yt-live-chat-item-list-renderer { contain: layout style; } tp-yt-paper-tooltip[style*="inset"][role="tooltip"] { contain: layout paint style; } /* ------------------------------------------------------------------------------------------------------------- */ ` : ''; const cssText6b_show_more_button = FIX_SHOW_MORE_BUTTON_LOCATION ? ` yt-live-chat-renderer[has-action-panel-renderer] #show-more.yt-live-chat-item-list-renderer{ top: 4px; transition-property: top; bottom: unset; } yt-live-chat-renderer[has-action-panel-renderer] #show-more.yt-live-chat-item-list-renderer[disabled]{ top: -42px; } `: ''; const cssText6c_input_panel_overflow = FIX_INPUT_PANEL_OVERFLOW_ISSUE ? ` #input-panel #picker-buttons yt-live-chat-icon-toggle-button-renderer#product-picker { contain: layout style; } #chat.yt-live-chat-renderer ~ #panel-pages.yt-live-chat-renderer { overflow: visible; } `: ''; const cssText6d_input_panel_border = FIX_INPUT_PANEL_BORDER_ISSUE ? ` html #panel-pages.yt-live-chat-renderer > #input-panel.yt-live-chat-renderer:not(:empty) { --yt-live-chat-action-panel-top-border: none; } html #panel-pages.yt-live-chat-renderer > #input-panel.yt-live-chat-renderer.iron-selected > *:first-child { border-top: 1px solid var(--yt-live-chat-panel-pages-border-color); } html #panel-pages.yt-live-chat-renderer { border-top: 0; border-bottom: 0; } `: ''; const cssText7b_content_visibility_unset = FORCE_CONTENT_VISIBILITY_UNSET ? ` img, yt-img-shadow[height][width], yt-img-shadow { content-visibility: visible !important; } ` : ''; const cssText7c_will_change_unset = FORCE_WILL_CHANGE_UNSET ? ` /* remove YouTube constant will-change */ /* constant value will slow down the performance; default auto */ /* www-player.css */ html .ytp-contextmenu, html .ytp-settings-menu { will-change: unset; } /* frequently matched elements */ html .fill.yt-interaction, html .stroke.yt-interaction, html .yt-spec-touch-feedback-shape__fill, html .yt-spec-touch-feedback-shape__stroke { will-change: unset; } /* live_chat_polymer.js */ /* html .toggle-button.tp-yt-paper-toggle-button, html #primaryProgress.tp-yt-paper-progress, html #secondaryProgress.tp-yt-paper-progress, html #onRadio.tp-yt-paper-radio-button, html .fill.yt-interaction, html .stroke.yt-interaction, html .yt-spec-touch-feedback-shape__fill, html .yt-spec-touch-feedback-shape__stroke { will-change: unset; } */ /* desktop_polymer_enable_wil_icons.js */ /* html .fill.yt-interaction, html .stroke.yt-interaction, */ html tp-yt-app-header::before, html tp-yt-iron-list, html #items.tp-yt-iron-list > *, html #onRadio.tp-yt-paper-radio-button, html .toggle-button.tp-yt-paper-toggle-button, html ytd-thumbnail-overlay-toggle-button-renderer[use-expandable-tooltip] #label.ytd-thumbnail-overlay-toggle-button-renderer, html #items.ytd-post-multi-image-renderer, html #items.ytd-horizontal-card-list-renderer, html #items.yt-horizontal-list-renderer, html #left-arrow.yt-horizontal-list-renderer, html #right-arrow.yt-horizontal-list-renderer, html #items.ytd-video-description-infocards-section-renderer, html #items.ytd-video-description-music-section-renderer, html #chips.ytd-feed-filter-chip-bar-renderer, html #chips.yt-chip-cloud-renderer, html #items.ytd-merch-shelf-renderer, html #items.ytd-product-details-image-carousel-renderer, html ytd-video-preview, html #player-container.ytd-video-preview, html #primaryProgress.tp-yt-paper-progress, html #secondaryProgress.tp-yt-paper-progress, html ytd-miniplayer[enabled] /* , html .yt-spec-touch-feedback-shape__fill, html .yt-spec-touch-feedback-shape__stroke */ { will-change: unset; } /* other */ .ytp-videowall-still-info-content[class], .ytp-suggestion-image[class] { will-change: unset !important; } ` : ''; const ENABLE_FONT_PRE_RENDERING = typeof HTMLElement.prototype.append === 'function' ? (ENABLE_FONT_PRE_RENDERING_PREFERRED || 0) : 0; const cssText8_fonts_pre_render = ENABLE_FONT_PRE_RENDERING ? ` elzm-fonts { visibility: collapse; position: fixed; top: -10px; left: -10px; font-size: 10pt; line-height: 100%; width: 100px; height: 100px; transform: scale(0.1); transform: scale(0.01); transform: scale(0.001); transform-origin: 0 0; contain: strict; display: block; user-select: none !important; pointer-events: none !important; } elzm-fonts[id]#elzm-fonts-yk75g { user-select: none !important; pointer-events: none !important; } elzm-font { visibility: collapse; position: absolute; line-height: 100%; width: 100px; height: 100px; contain: strict; display: block; user-select: none !important; pointer-events: none !important; } elzm-font::before { visibility: collapse; position: absolute; line-height: 100%; width: 100px; height: 100px; contain: strict; display: block; content: '0aZ!@#$~^&*()_-+[]{}|;:> document.head.appendChild(dr(addCssElement())).textContent = ` ${cssText8_fonts_pre_render} @supports (contain: layout paint style) { ${cssText5} } @supports (color: var(--general)) { html { --yt-live-chat-item-list-renderer-padding: 0px 0px; } ${cssText3_smooth_transform_position} ${cssText7c_will_change_unset} ${cssText7b_content_visibility_unset} yt-live-chat-item-list-renderer:not([allow-scroll]) #item-scroller.yt-live-chat-item-list-renderer { overflow-y: scroll; padding-right: 0; } ${cssText4_smooth_transform_forced_props} yt-icon[icon="down_arrow"] > *, yt-icon-button#show-more > * { pointer-events: none !important; } #continuations, #continuations * { contain: strict; position: fixed; top: 2px; height: 1px; width: 2px; height: 1px; visibility: collapse; } ${cssText6b_show_more_button} ${cssText6d_input_panel_border} ${cssText6c_input_panel_overflow} } @supports (overflow-anchor: auto) { .no-anchor * { overflow-anchor: none; } .no-anchor > item-anchor { overflow-anchor: auto; } item-anchor { height:1px; width: 100%; transform: scaleY(0.00001); transform-origin:0 0; contain: strict; opacity:0; display:flex; position:relative; flex-shrink:0; flex-grow:0; margin-bottom:0; overflow:hidden; box-sizing:border-box; visibility: visible; content-visibility: visible; contain-intrinsic-size: auto 1px; pointer-events:none !important; } #item-scroller.style-scope.yt-live-chat-item-list-renderer[class] { overflow-anchor: initial !important; /* whenever ENABLE_OVERFLOW_ANCHOR or not */ } html item-anchor { height: 1px; width: 1px; top: auto; left: auto; right: auto; bottom: auto; transform: translateY(-1px); position: absolute; z-index: -1; } } @supports (color: var(--pre-rendering)) { @keyframes dontRenderAnimation { 0% { background-position-x: 3px; } 100% { background-position-x: 4px; } } /*html[dont-render-enabled] */ .dont-render{ visibility: collapse !important; transform: scale(0.01) !important; transform: scale(0.00001) !important; transform: scale(0.0000001) !important; transform-origin: 0 0 !important; z-index:-1 !important; contain: strict !important; box-sizing: border-box !important; height: 1px !important; height: 0.1px !important; height: 0.01px !important; height: 0.0001px !important; height: 0.000001px !important; animation: dontRenderAnimation 1ms linear 80ms 1 normal forwards !important; } } `; const { IntersectionObserver } = __CONTEXT__; /** @type {globalThis.PromiseConstructor} */ const Promise = (async () => { })().constructor; // YouTube hacks Promise in WaterFox Classic and "Promise.resolve(0)" nevers resolve. if (!IntersectionObserver) return console.error("Your browser does not support IntersectionObserver.\nPlease upgrade to the latest version.") const assertor = (f) => f() || console.assert(false, f + ""); const fnIntegrity = (f, d) => { if (!f || typeof f !== 'function') { console.warn('f is not a function', f); return; } let p = f + "", s = 0, j = -1, w = 0; for (let i = 0, l = p.length; i < l; i++) { const t = p[i]; if (((t >= 'a' && t <= 'z') || (t >= 'A' && t <= 'Z'))) { if (j < i - 1) w++; j = i; } else { s++; } } let itz = `${f.length}.${s}.${w}`; if (!d) { console.log(itz); return null; } else { return itz === d; } } let ENABLE_FULL_RENDER_REQUIRED_CAPABLE = false; const isContainSupport = CSS.supports('contain', 'layout paint style'); if (!isContainSupport) { console.warn("Your browser does not support css property 'contain'.\nPlease upgrade to the latest version.".trim()); } else { ENABLE_FULL_RENDER_REQUIRED_CAPABLE = true; // mainly for Chromium-based browsers } let ENABLE_OVERFLOW_ANCHOR_CAPABLE = false; const isOverflowAnchorSupport = CSS.supports('overflow-anchor', 'auto'); if (!isOverflowAnchorSupport) { console.warn("Your browser does not support css property 'overflow-anchor'.\nPlease upgrade to the latest version.".trim()); } else { ENABLE_OVERFLOW_ANCHOR_CAPABLE = true; // mainly for Chromium-based browsers } const ENABLE_OVERFLOW_ANCHOR = ENABLE_OVERFLOW_ANCHOR_PREFERRED && ENABLE_OVERFLOW_ANCHOR_CAPABLE && ENABLE_NO_SMOOTH_TRANSFORM; const NOT_FIREFOX = !CSS.supports('-moz-appearance', 'none'); // 1. Firefox does not have the flicking issue; 2. Firefox's OVERFLOW_ANCHOR does not work very well as chromium. const ENABLE_FULL_RENDER_REQUIRED = ENABLE_FULL_RENDER_REQUIRED_PREFERRED && ENABLE_FULL_RENDER_REQUIRED_CAPABLE && ENABLE_OVERFLOW_ANCHOR && ENABLE_NO_SMOOTH_TRANSFORM && NOT_FIREFOX; const fxOperator = (proto, propertyName) => { let propertyDescriptorGetter = null; try { propertyDescriptorGetter = Object.getOwnPropertyDescriptor(proto, propertyName).get; } catch (e) { } return typeof propertyDescriptorGetter === 'function' ? (e) => { try { return propertyDescriptorGetter.call(dr(e)); } catch (e) { } return e[propertyName]; } : (e) => e[propertyName]; }; const nodeParent = fxOperator(Node.prototype, 'parentNode'); // const nFirstElem = fxOperator(HTMLElement.prototype, 'firstElementChild'); const nPrevElem = fxOperator(HTMLElement.prototype, 'previousElementSibling'); const nNextElem = fxOperator(HTMLElement.prototype, 'nextElementSibling'); const nLastElem = fxOperator(HTMLElement.prototype, 'lastElementChild'); const win = this instanceof Window ? this : window; // Create a unique key for the script and check if it is already running const hkey_script = 'mchbwnoasqph'; if (win[hkey_script]) throw new Error('Duplicated Userscript Calling'); // avoid duplicated scripting win[hkey_script] = true; const cleanContext = async (win) => { const waitFn = requestAnimationFrame; // shall have been binded to window try { let mx = 16; // MAX TRIAL const frameId = 'vanillajs-iframe-v1'; /** @type {HTMLIFrameElement | null} */ let frame = document.getElementById(frameId); let removeIframeFn = null; if (!frame) { frame = document.createElement('iframe'); frame.id = 'vanillajs-iframe-v1'; frame.sandbox = 'allow-same-origin'; // script cannot be run inside iframe but API can be obtained from iframe let n = document.createElement('noscript'); // wrap into NOSCRPIT to avoid reflow (layouting) n.appendChild(frame); while (!document.documentElement && mx-- > 0) await new Promise(waitFn); // requestAnimationFrame here could get modified by YouTube engine const root = document.documentElement; root.appendChild(n); // throw error if root is null due to exceeding MAX TRIAL removeIframeFn = (setTimeout) => { const removeIframeOnDocumentReady = (e) => { e && win.removeEventListener("DOMContentLoaded", removeIframeOnDocumentReady, false); win = null; setTimeout(() => { n.remove(); n = null; }, 200); } if (document.readyState !== 'loading') { removeIframeOnDocumentReady(); } else { win.addEventListener("DOMContentLoaded", removeIframeOnDocumentReady, false); } } } while (!frame.contentWindow && mx-- > 0) await new Promise(waitFn); const fc = frame.contentWindow; if (!fc) throw "window is not found."; // throw error if root is null due to exceeding MAX TRIAL const { requestAnimationFrame, setTimeout, cancelAnimationFrame } = fc; const res = { requestAnimationFrame, setTimeout, cancelAnimationFrame }; for (let k in res) res[k] = res[k].bind(win); // necessary if (removeIframeFn) Promise.resolve(res.setTimeout).then(removeIframeFn); return res; } catch (e) { console.warn(e); return null; } }; cleanContext(win).then(__CONTEXT__ => { if (!__CONTEXT__) return null; const { requestAnimationFrame, setTimeout, cancelAnimationFrame } = __CONTEXT__; const groupCollapsed = (text1, text2) => { console.groupCollapsed(`%c${text1}%c${text2}`, "background-color: #010502; color: #6acafe; font-weight: 700; padding: 2px;", "background-color: #010502; color: #6ad9fe; font-weight: 300; padding: 2px;" ); } class RAFHub { constructor() { /** @type {number} */ this.startAt = 8170; /** @type {number} */ this.counter = 0; /** @type {number} */ this.rid = 0; /** @type {Map} */ this.funcs = new Map(); const funcs = this.funcs; /** @type {FrameRequestCallback} */ this.bCallback = this.mCallback.bind(this); this.pClear = () => funcs.clear(); } /** @param {DOMHighResTimeStamp} highResTime */ mCallback(highResTime) { this.rid = 0; Promise.resolve().then(this.pClear); this.funcs.forEach(func => Promise.resolve(highResTime).then(func).catch(console.warn)); } /** @param {FrameRequestCallback} f */ request(f) { if (this.counter > 1e9) this.counter = 9; let cid = this.startAt + (++this.counter); this.funcs.set(cid, f); if (this.rid === 0) this.rid = requestAnimationFrame(this.bCallback); return cid; } /** @param {number} cid */ cancel(cid) { cid = +cid; if (cid > 0) { if (cid <= this.startAt) { return cancelAnimationFrame(cid); } if (this.rid > 0) { this.funcs.delete(cid); if (this.funcs.size === 0) { cancelAnimationFrame(this.rid); this.rid = 0; } } } } } const sp7 = Symbol(); let dt0 = Date.now() - 2000; const dateNow = () => Date.now() - dt0; // let lastScroll = 0; // let lastLShow = 0; let lastWheel = 0; let lastMouseDown = 0; let lastMouseUp = 0; let currentMouseDown = false; let lastTouchDown = 0; let lastTouchUp = 0; let currentTouchDown = false; let lastUserInteraction = 0; let scrollChatFn = null; ENABLE_FULL_RENDER_REQUIRED && (() => { document.addEventListener('animationstart', (evt) => { if (evt.animationName === 'dontRenderAnimation') { evt.target.classList.remove('dont-render'); if (scrollChatFn) scrollChatFn(); } }, true); const f = (elm) => { if (elm && elm.nodeType === 1) { elm.classList.add('dont-render'); } } Node.prototype.__appendChild931__ = function (a) { a = dr(a); if (this.id === 'items' && this.classList.contains('yt-live-chat-item-list-renderer')) { if (a && a.nodeType === 1) f(a); else if (a instanceof DocumentFragment) { for (let n = a.firstChild; n; n = n.nextSibling) { f(n); } } } } Node.prototype.__appendChild932__ = function () { this.__appendChild931__.apply(this, arguments); return Node.prototype.appendChild.apply(this, arguments); } })(); const proxyHelperFn = (dummy) => ({ get(target, prop) { return (prop in dummy) ? dummy[prop] : prop === sp7 ? target : target[prop]; }, set(target, prop, value) { if (!(prop in dummy)) { target[prop] = value; } return true; }, has(target, prop) { return (prop in target); }, deleteProperty(target, prop) { return true; }, ownKeys(target) { return Object.keys(target); }, defineProperty(target, key, descriptor) { return Object.defineProperty(target, key, descriptor); }, getOwnPropertyDescriptor(target, key) { return Object.getOwnPropertyDescriptor(target, key); }, }); /* globals WeakRef:false */ /** @type {(o: Object | null) => WeakRef | null} */ const mWeakRef = typeof WeakRef === 'function' ? (o => o ? new WeakRef(o) : null) : (o => o || null); // typeof InvalidVar == 'undefined' /** @type {(wr: Object | null) => Object | null} */ const kRef = (wr => (wr && wr.deref) ? wr.deref() : wr); const addFontPreRendering = () => { groupCollapsed("YouTube Super Fast Chat", " | Fonts Pre-Rendering"); let efsContainer = document.createElement('elzm-fonts'); efsContainer.id = 'elzm-fonts-yk75g' const arr = []; let p = document.createElement('elzm-font'); arr.push(p); if (ENABLE_FONT_PRE_RENDERING & 1) { for (const size of [100, 200, 300, 400, 500, 600, 700, 800, 900]) { p = document.createElement('elzm-font'); p.style.fontWeight = size; arr.push(p); } } if (ENABLE_FONT_PRE_RENDERING & 2) { for (const size of [100, 200, 300, 400, 500, 600, 700, 800, 900]) { p = document.createElement('elzm-font'); p.style.fontFamily = 'Roboto'; p.style.fontWeight = size; arr.push(p); } } if (ENABLE_FONT_PRE_RENDERING & 4) { for (const size of [100, 200, 300, 400, 500, 600, 700, 800, 900]) { p = document.createElement('elzm-font'); p.style.fontFamily = '"YouTube Noto",Roboto,Arial,Helvetica,sans-serif'; p.style.fontWeight = size; arr.push(p); } } if (ENABLE_FONT_PRE_RENDERING & 8) { for (const size of [100, 200, 300, 400, 500, 600, 700, 800, 900]) { p = document.createElement('elzm-font'); p.style.fontFamily = '"Noto",Roboto,Arial,Helvetica,sans-serif'; p.style.fontWeight = size; arr.push(p); } } if (ENABLE_FONT_PRE_RENDERING & 16) { for (const size of [100, 200, 300, 400, 500, 600, 700, 800, 900]) { p = document.createElement('elzm-font'); p.style.fontFamily = 'sans-serif'; p.style.fontWeight = size; arr.push(p); } } console.log('number of elzm-font elements', arr.length); HTMLElement.prototype.append.apply(efsContainer, arr); (document.body || document.documentElement).appendChild(efsContainer); console.log('elzm-font elements have been added to the page for rendering.'); console.groupEnd(); } const addCssManaged = () => { if (!isCssAdded && document.documentElement && document.head) { isCssAdded = true; addCss(); if (ENABLE_FONT_PRE_RENDERING) { Promise.resolve().then(addFontPreRendering) } } } const watchUserCSS = () => { // if (!CSS.supports('contain-intrinsic-size', 'auto var(--wsr94)')) return; const getElemFromWR = (nr) => { const n = kRef(nr); if (n && n.isConnected) return n; return null; } const clearContentVisibilitySizing = () => { Promise.resolve().then(() => { let btnShowMoreWR = mWeakRef(document.querySelector('#show-more[disabled]')); let lastVisibleItemWR = null; for (const elm of document.querySelectorAll('[wSr93]')) { if (elm.getAttribute('wSr93') === 'visible') lastVisibleItemWR = mWeakRef(elm); elm.setAttribute('wSr93', ''); // custom CSS property --wsr94 not working when attribute wSr93 removed } requestAnimationFrame(() => { const btnShowMore = getElemFromWR(btnShowMoreWR); btnShowMoreWR = null; if (btnShowMore) btnShowMore.click(); else { // would not work if switch it frequently const lastVisibleItem = getElemFromWR(lastVisibleItemWR); lastVisibleItemWR = null; if (lastVisibleItem) { Promise.resolve() .then(() => lastVisibleItem.scrollIntoView()) .then(() => lastVisibleItem.scrollIntoView(false)) .then(() => lastVisibleItem.scrollIntoView({ behavior: "instant", block: "end", inline: "nearest" })) .catch(e => { }) // break the chain when method not callable } } }); }); } const mutObserver = new MutationObserver((mutations) => { for (const mutation of mutations) { if ((mutation.addedNodes || 0).length >= 1) { for (const addedNode of mutation.addedNodes) { if (addedNode.nodeName === 'STYLE') { clearContentVisibilitySizing(); return; } } } if ((mutation.removedNodes || 0).length >= 1) { for (const removedNode of mutation.removedNodes) { if (removedNode.nodeName === 'STYLE') { clearContentVisibilitySizing(); return; } } } } }); mutObserver.observe(document.documentElement, { childList: true, subtree: false }); mutObserver.observe(document.head, { childList: true, subtree: false }); mutObserver.observe(document.body, { childList: true, subtree: false }); } const setupStyle = (m1, m2) => { if (!ENABLE_NO_SMOOTH_TRANSFORM) return; const dummy1v = { transform: '', height: '', minHeight: '', paddingBottom: '', paddingTop: '' }; const dummyStyleFn = (k) => (function () { const style = this[sp7]; return style[k](...arguments); }); for (const k of ['toString', 'getPropertyPriority', 'getPropertyValue', 'item', 'removeProperty', 'setProperty']) { dummy1v[k] = dummyStyleFn(k); } const dummy1p = proxyHelperFn(dummy1v); const sp1v = new Proxy(m1.style, dummy1p); const sp2v = new Proxy(m2.style, dummy1p); Object.defineProperty(m1, 'style', { get() { return sp1v }, set() { }, enumerable: true, configurable: true }); Object.defineProperty(m2, 'style', { get() { return sp2v }, set() { }, enumerable: true, configurable: true }); m1.removeAttribute("style"); m2.removeAttribute("style"); } class WillChangeController { constructor(itemScroller, willChangeValue) { this.element = itemScroller; this.counter = 0; this.active = false; this.willChangeValue = willChangeValue; } beforeOper() { if (!this.active) { this.active = true; this.element.style.willChange = this.willChangeValue; } this.counter++; } afterOper() { const c = this.counter; requestAnimationFrame(() => { if (c === this.counter) { this.active = false; this.element.style.willChange = ''; } }); } release() { const element = this.element; this.element = null; this.counter = 1e16; this.active = false; try { element.style.willChange = ''; } catch (e) { } } } const { lcRendererElm, visObserver } = (() => { let lcRendererWR = null; const lcRendererElm = () => { let lcRenderer = kRef(lcRendererWR); if (!lcRenderer || !lcRenderer.isConnected) { lcRenderer = document.querySelector('yt-live-chat-item-list-renderer.yt-live-chat-renderer'); lcRendererWR = lcRenderer ? mWeakRef(lcRenderer) : null; } return lcRenderer; }; let hasFirstShowMore = false; const visObserverFn = (entry) => { const target = entry.target; if (!target) return; // if(target.classList.contains('dont-render')) return; let isVisible = entry.isIntersecting === true && entry.intersectionRatio > 0.5; // const h = entry.boundingClientRect.height; /* if (h < 16) { // wrong: 8 (padding/margin); standard: 32; test: 16 or 20 // e.g. under fullscreen. the element created but not rendered. target.setAttribute('wSr93', ''); return; } */ if (isVisible) { // target.style.setProperty('--wsr94', h + 'px'); target.setAttribute('wSr93', 'visible'); if (nNextElem(target) === null) { // firstVisibleItemDetected = true; /* if (dateNow() - lastScroll < 80) { lastLShow = 0; lastScroll = 0; Promise.resolve().then(clickShowMore); } else { lastLShow = dateNow(); } */ // lastLShow = dateNow(); } else if (!hasFirstShowMore) { // should more than one item being visible // implement inside visObserver to ensure there is sufficient delay hasFirstShowMore = true; requestAnimationFrame(() => { // foreground page // page visibly ready -> load the latest comments at initial loading const lcRenderer = lcRendererElm(); if (lcRenderer) { (lcRenderer.inst || lcRenderer).scrollToBottom_(); } }); } } else if (target.getAttribute('wSr93') === 'visible') { // ignore target.getAttribute('wSr93') === '' to avoid wrong sizing // target.style.setProperty('--wsr94', h + 'px'); target.setAttribute('wSr93', 'hidden'); } // note: might consider 0 < entry.intersectionRatio < 0.5 and target.getAttribute('wSr93') === '' } const visObserver = new IntersectionObserver((entries) => { for (const entry of entries) { Promise.resolve(entry).then(visObserverFn); } }, { // root: HTMLElement.prototype.closest.call(m2, '#item-scroller.yt-live-chat-item-list-renderer'), // nullable rootMargin: "0px", threshold: [0.05, 0.95], }); return { lcRendererElm, visObserver } })(); const { setupMutObserver } = (() => { const mutFn = (items) => { for (let node = nLastElem(items); node !== null; node = nPrevElem(node)) { if (node.hasAttribute('wSr93')) break; node.setAttribute('wSr93', ''); visObserver.observe(node); } } const mutObserver = new MutationObserver((mutations) => { const items = (mutations[0] || 0).target; if (!items) return; mutFn(items); }); const setupMutObserver = (m2) => { scrollChatFn = null; mutObserver.disconnect(); mutObserver.takeRecords(); if (m2) { if (typeof m2.__appendChild932__ === 'function') { if (typeof m2.appendChild === 'function') m2.appendChild = m2.__appendChild932__; if (typeof m2.__shady_native_appendChild === 'function') m2.__shady_native_appendChild = m2.__appendChild932__; } mutObserver.observe(m2, { childList: true, subtree: false }); mutFn(m2); if (ENABLE_OVERFLOW_ANCHOR) { let items = m2; let addedAnchor = false; if (items) { if (items.nextElementSibling === null) { items.classList.add('no-anchor'); addedAnchor = true; items.parentNode.appendChild(dr(document.createElement('item-anchor'))); } } if (addedAnchor) { nodeParent(m2).classList.add('no-anchor'); // required } } // let div = document.createElement('div'); // div.id = 'qwcc'; // HTMLElement.prototype.appendChild.call(document.querySelector('yt-live-chat-item-list-renderer'), div ) // bufferRegion =div; // buffObserver.takeRecords(); // buffObserver.disconnect(); // buffObserver.observe(div, { // childList: true, // subtree: false // }) } } return { setupMutObserver }; })(); const setupEvents = () => { let scrollCount = 0; const passiveCapture = typeof IntersectionObserver === 'function' ? { capture: true, passive: true } : true; const delayFlushActiveItemsAfterUserActionK_ = () => { const lcRenderer = lcRendererElm(); if (lcRenderer) { const cnt = (lcRenderer.inst || lcRenderer); if (!cnt.hasUserJustInteracted11_) return; if (cnt.atBottom && cnt.allowScroll && cnt.activeItems_.length >= 1 && cnt.hasUserJustInteracted11_()) { cnt.delayFlushActiveItemsAfterUserAction11_ && cnt.delayFlushActiveItemsAfterUserAction11_(); } } } document.addEventListener('scroll', (evt) => { if (!evt || !evt.isTrusted) return; // lastScroll = dateNow(); if (++scrollCount > 1e9) scrollCount = 9; }, passiveCapture); // support contain => support passive let lastScrollCount = -1; document.addEventListener('wheel', (evt) => { if (!evt || !evt.isTrusted) return; if (lastScrollCount === scrollCount) return; lastScrollCount = scrollCount; lastWheel = dateNow(); delayFlushActiveItemsAfterUserActionK_ && delayFlushActiveItemsAfterUserActionK_(); }, passiveCapture); // support contain => support passive document.addEventListener('mousedown', (evt) => { if (!evt || !evt.isTrusted) return; if (((evt || 0).target || 0).id !== 'item-scroller') return; lastMouseDown = dateNow(); currentMouseDown = true; lastUserInteraction = lastMouseDown; }, passiveCapture); document.addEventListener('pointerdown', (evt) => { if (!evt || !evt.isTrusted) return; if (((evt || 0).target || 0).id !== 'item-scroller') return; lastMouseDown = dateNow(); currentMouseDown = true; lastUserInteraction = lastMouseDown; }, passiveCapture); document.addEventListener('click', (evt) => { if (!evt || !evt.isTrusted) return; if (((evt || 0).target || 0).id !== 'item-scroller') return; lastMouseDown = lastMouseUp = dateNow(); currentMouseDown = false; lastUserInteraction = lastMouseDown; delayFlushActiveItemsAfterUserActionK_ && delayFlushActiveItemsAfterUserActionK_(); }, passiveCapture); document.addEventListener('tap', (evt) => { if (!evt || !evt.isTrusted) return; if (((evt || 0).target || 0).id !== 'item-scroller') return; lastMouseDown = lastMouseUp = dateNow(); currentMouseDown = false; lastUserInteraction = lastMouseDown; delayFlushActiveItemsAfterUserActionK_ && delayFlushActiveItemsAfterUserActionK_(); }, passiveCapture); document.addEventListener('mouseup', (evt) => { if (!evt || !evt.isTrusted) return; if (currentMouseDown) { lastMouseUp = dateNow(); currentMouseDown = false; lastUserInteraction = lastMouseUp; delayFlushActiveItemsAfterUserActionK_ && delayFlushActiveItemsAfterUserActionK_(); } }, passiveCapture); document.addEventListener('pointerup', (evt) => { if (!evt || !evt.isTrusted) return; if (currentMouseDown) { lastMouseUp = dateNow(); currentMouseDown = false; lastUserInteraction = lastMouseUp; delayFlushActiveItemsAfterUserActionK_ && delayFlushActiveItemsAfterUserActionK_(); } }, passiveCapture); document.addEventListener('touchstart', (evt) => { if (!evt || !evt.isTrusted) return; lastTouchDown = dateNow(); currentTouchDown = true; lastUserInteraction = lastTouchDown; }, passiveCapture); document.addEventListener('touchmove', (evt) => { if (!evt || !evt.isTrusted) return; lastTouchDown = dateNow(); currentTouchDown = true; lastUserInteraction = lastTouchDown; }, passiveCapture); document.addEventListener('touchend', (evt) => { if (!evt || !evt.isTrusted) return; if (currentTouchDown) { lastTouchUp = dateNow(); currentTouchDown = false; lastUserInteraction = lastTouchUp; delayFlushActiveItemsAfterUserActionK_ && delayFlushActiveItemsAfterUserActionK_(); } }, passiveCapture); document.addEventListener('touchcancel', (evt) => { if (!evt || !evt.isTrusted) return; if (currentTouchDown) { lastTouchUp = dateNow(); currentTouchDown = false; lastUserInteraction = lastTouchUp; delayFlushActiveItemsAfterUserActionK_ && delayFlushActiveItemsAfterUserActionK_(); } }, passiveCapture); } const getProto = (element) => { if (element) { const cnt = element.inst || element; return cnt.constructor.prototype || null; } return null; } const rafHub = (ENABLE_RAF_HACK_TICKERS || ENABLE_RAF_HACK_DOCKED_MESSAGE || ENABLE_RAF_HACK_INPUT_RENDERER || ENABLE_RAF_HACK_EMOJI_PICKER) ? new RAFHub() : null; customYtElements.onRegistryReady(() => { let firstCheckedOnYtInit = false; const mightFirstCheckOnYtInit = () => { if (firstCheckedOnYtInit) return; firstCheckedOnYtInit = true; if (!document.body || !document.head) return; if (!assertor(() => location.pathname.startsWith('/live_chat') && location.search.indexOf('continuation=') >= 0)) return; addCssManaged(); let efsContainer = document.getElementById('elzm-fonts-yk75g'); if (efsContainer && efsContainer.parentNode !== document.body) { document.body.appendChild(efsContainer); } } if (!assertor(() => location.pathname.startsWith('/live_chat') && location.search.indexOf('continuation=') >= 0)) return; // if (!assertor(() => document.getElementById('yt-masthead') === null)) return; if (document.documentElement && document.head) { addCssManaged(); } // console.log(document.body===null) customElements.whenDefined('yt-live-chat-item-list-renderer').then(() => { const tag = "yt-live-chat-item-list-renderer" const dummy = document.createElement(tag); const cProto = getProto(dummy); if (!cProto || !cProto.attached) { console.warn(`proto.attached for ${tag} is unavailable.`); return; } mightFirstCheckOnYtInit(); groupCollapsed("YouTube Super Fast Chat", " | yt-live-chat-item-list-renderer hacks"); const mclp = cProto; try { assertor(() => typeof mclp.scrollToBottom_ === 'function'); assertor(() => typeof mclp.flushActiveItems_ === 'function'); assertor(() => typeof mclp.canScrollToBottom_ === 'function'); assertor(() => typeof mclp.setAtBottom === 'function'); assertor(() => typeof mclp.scrollToBottom66_ === 'undefined'); assertor(() => typeof mclp.flushActiveItems66_ === 'undefined'); } catch (e) { } try { assertor(() => typeof mclp.attached === 'function'); assertor(() => typeof mclp.detached === 'function'); assertor(() => typeof mclp.canScrollToBottom_ === 'function'); assertor(() => typeof mclp.isSmoothScrollEnabled_ === 'function'); assertor(() => typeof mclp.maybeResizeScrollContainer_ === 'function'); assertor(() => typeof mclp.refreshOffsetContainerHeight_ === 'function'); assertor(() => typeof mclp.smoothScroll_ === 'function'); assertor(() => typeof mclp.resetSmoothScroll_ === 'function'); } catch (e) { } mclp.__intermediate_delay__ = null; let mzk = 0; let myk = 0; let mlf = 0; let myw = 0; let mzt = 0; let zarr = null; let mlg = 0; if ((mclp.clearList || 0).length === 0) { assertor(() => fnIntegrity(mclp.clearList, '0.106.50')); mclp.clearList66 = mclp.clearList; mclp.clearList = function () { mzk++; myk++; mlf++; myw++; mzt++; mlg++; zarr = null; this.__intermediate_delay__ = null; this.clearList66(); }; console.log("clearList", "OK"); } else { console.log("clearList", "NG"); } let onListRendererAttachedDone = false; function setList(itemOffset, items) { const isFirstTime = onListRendererAttachedDone === false; if (isFirstTime) { onListRendererAttachedDone = true; Promise.resolve().then(watchUserCSS); addCssManaged(); setupEvents(); } setupStyle(itemOffset, items); setupMutObserver(items); } mclp.attached419 = async function () { let maxTrial = 16; while (!this.$ || !this.$['item-scroller'] || !this.$['item-offset'] || !this.$['items']) { if (--maxTrial < 0) return; await new Promise(requestAnimationFrame); } if (!this.$) { console.warn("!this.$"); return; } if (!this.$) return; /** @type {HTMLElement | null} */ const itemScroller = this.$['item-scroller']; /** @type {HTMLElement | null} */ const itemOffset = this.$['item-offset']; /** @type {HTMLElement | null} */ const items = this.$['items']; if (!itemScroller || !itemOffset || !items) { console.warn("items.parentNode !== itemOffset"); return; } if (nodeParent(items) !== itemOffset) { console.warn("items.parentNode !== itemOffset"); return; } if (items.id !== 'items' || itemOffset.id !== "item-offset") { console.warn("id incorrect"); return; } const isTargetItems = HTMLElement.prototype.matches.call(items, '#item-offset.style-scope.yt-live-chat-item-list-renderer > #items.style-scope.yt-live-chat-item-list-renderer') if (!isTargetItems) { console.warn("!isTargetItems"); return; } setList(itemOffset, items); } mclp.attached331 = mclp.attached; mclp.attached = function () { this.attached419 && this.attached419(); return this.attached331(); } mclp.detached331 = mclp.detached; mclp.detached = function () { setupMutObserver(); return this.detached331(); } let t31_items = document.querySelector('#item-offset.style-scope.yt-live-chat-item-list-renderer > #items.style-scope.yt-live-chat-item-list-renderer'); let t31_itemOffset = t31_items ? nodeParent(t31_items) : null; if (t31_items && t31_itemOffset) { setList(t31_itemOffset, t31_items); } if ((mclp.async || 0).length === 2 && (mclp.cancelAsync || 0).length === 1) { assertor(() => fnIntegrity(mclp.async, '2.24.15')); assertor(() => fnIntegrity(mclp.cancelAsync, '1.15.8')); /** @type {Map} */ const aMap = new Map(); let count = 6150; mclp.async66 = mclp.async; mclp.async = function (e, f) { // ensure the previous operation is done // .async is usually after the time consuming functions like flushActiveItems_ and scrollToBottom_ const hasF = arguments.length === 2; const stack = new Error().stack; const isFlushAsync = stack.indexOf('flushActiveItems_') >= 0; if (count > 1e9) count = 6159; const resId = ++count; aMap.set(resId, e); (this.__intermediate_delay__ || Promise.resolve()).then(rk => { const rp = aMap.get(resId); if (typeof rp !== 'function') { return; } let cancelCall = false; if (isFlushAsync) { if (rk < 0) { cancelCall = true; } else if (rk === 2 && arguments[0] === this.maybeScrollToBottom_) { cancelCall = true; } } if (cancelCall) { aMap.delete(resId); } else { const asyncEn = function () { aMap.delete(resId); return rp.apply(this, arguments); }; aMap.set(resId, hasF ? this.async66(asyncEn, f) : this.async66(asyncEn)); } }); return resId; } mclp.cancelAsync66 = mclp.cancelAsync; mclp.cancelAsync = function (resId) { if (resId <= 6150) { this.cancelAsync66(resId); } else if (aMap.has(resId)) { const rp = aMap.get(resId); aMap.delete(resId); if (typeof rp !== 'function') { this.cancelAsync66(rp); } } } console.log("async", "OK"); } else { console.log("async", "NG"); } if ((mclp.showNewItems_ || 0).length === 0 && ENABLE_NO_SMOOTH_TRANSFORM) { assertor(() => fnIntegrity(mclp.showNewItems_, '0.170.79')); mclp.showNewItems66_ = mclp.showNewItems_; mclp.showNewItems77_ = async function () { if (myk > 1e9) myk = 9; let tid = ++myk; await new Promise(requestAnimationFrame); if (tid !== myk) { return; } const cnt = this; await Promise.resolve(); cnt.showNewItems66_(); await Promise.resolve(); } mclp.showNewItems_ = function () { const cnt = this; cnt.__intermediate_delay__ = new Promise(resolve => { cnt.showNewItems77_().then(() => { resolve(); }); }); } console.log("showNewItems_", "OK"); } else { console.log("showNewItems_", "NG"); } if ((mclp.flushActiveItems_ || 0).length === 0) { assertor(() => fnIntegrity(mclp.flushActiveItems_, '0.137.81')); let contensWillChangeController = null; mclp.flushActiveItems66_ = mclp.flushActiveItems_; mclp.flushActiveItems78_ = async function (tid) { try { const lockedMaxItemsToDisplay = this.data.maxItemsToDisplay944; let logger = false; const cnt = this; let immd = cnt.__intermediate_delay__; await new Promise(requestAnimationFrame); if (tid !== mlf || cnt.isAttached === false || (cnt.hostElement || cnt).isConnected === false) return; if (!cnt.activeItems_ || cnt.activeItems_.length === 0) return; mlf++; if (mlg > 1e9) mlg = 9; ++mlg; const tmpMaxItemsCount = this.data.maxItemsToDisplay; const reducedMaxItemsToDisplay = MAX_ITEMS_FOR_FULL_FLUSH; let changeMaxItemsToDisplay = false; const activeItemsLen = this.activeItems_.length; if (activeItemsLen > tmpMaxItemsCount && tmpMaxItemsCount > 0) { logger = true; groupCollapsed("YouTube Super Fast Chat", " | flushActiveItems78_"); console.log('this.activeItems_.length > N', activeItemsLen, tmpMaxItemsCount); if (ENABLE_REDUCED_MAXITEMS_FOR_FLUSH && lockedMaxItemsToDisplay === tmpMaxItemsCount && lockedMaxItemsToDisplay !== reducedMaxItemsToDisplay) { console.log('reduce maxitems'); if (tmpMaxItemsCount > reducedMaxItemsToDisplay) { // as all the rendered chats are already "outdated" // all old chats shall remove and reduced number of few chats will be rendered // then restore to the original number changeMaxItemsToDisplay = true; this.data.maxItemsToDisplay = reducedMaxItemsToDisplay; console.log(`'maxItemsToDisplay' is reduced from ${tmpMaxItemsCount} to ${reducedMaxItemsToDisplay}.`) } this.activeItems_.splice(0, activeItemsLen - this.data.maxItemsToDisplay); // console.log('changeMaxItemsToDisplay 01', this.data.maxItemsToDisplay, oMaxItemsToDisplay, reducedMaxItemsToDisplay) console.log('new this.activeItems_.length > N', this.activeItems_.length); } else { this.activeItems_.splice(0, activeItemsLen - (tmpMaxItemsCount < 900 ? tmpMaxItemsCount : 900)); console.log('new this.activeItems_.length > N', this.activeItems_.length); } } // it is found that it will render all stacked chats after switching back from background // to avoid lagging in popular livestream with massive chats, trim first before rendering. // this.activeItems_.length > this.data.maxItemsToDisplay && this.activeItems_.splice(0, this.activeItems_.length - this.data.maxItemsToDisplay); const items = (cnt.$ || 0).items; if (USE_WILL_CHANGE_CONTROLLER) { if (contensWillChangeController && contensWillChangeController.element !== items) { contensWillChangeController.release(); contensWillChangeController = null; } if (!contensWillChangeController) contensWillChangeController = new WillChangeController(items, 'contents'); } const wcController = contensWillChangeController; cnt.__intermediate_delay__ = Promise.all([cnt.__intermediate_delay__ || null, immd || null]); wcController && wcController.beforeOper(); await Promise.resolve(); const len1 = cnt.activeItems_.length; cnt.flushActiveItems66_(); const len2 = cnt.activeItems_.length; const bAsync = len1 !== len2; await Promise.resolve(); if (wcController) { if (bAsync) { cnt.async(() => { wcController.afterOper(); }); } else { wcController.afterOper(); } } if (changeMaxItemsToDisplay && this.data.maxItemsToDisplay === reducedMaxItemsToDisplay && tmpMaxItemsCount > reducedMaxItemsToDisplay) { this.data.maxItemsToDisplay = tmpMaxItemsCount; logger && console.log(`'maxItemsToDisplay' is restored from ${reducedMaxItemsToDisplay} to ${tmpMaxItemsCount}.`); // console.log('changeMaxItemsToDisplay 02', this.data.maxItemsToDisplay, oMaxItemsToDisplay, reducedMaxItemsToDisplay) } else if (changeMaxItemsToDisplay) { logger && console.log(`'maxItemsToDisplay' cannot be restored`, { maxItemsToDisplay: this.data.maxItemsToDisplay, reducedMaxItemsToDisplay, originalMaxItemsToDisplay: tmpMaxItemsCount }); } logger && console.log('[End]') logger && console.groupEnd(); if (!ENABLE_NO_SMOOTH_TRANSFORM) { const ff = () => { if (cnt.isAttached === false || (cnt.hostElement || cnt).isConnected === false) return; // if (tid !== mlf || cnt.isAttached === false || (cnt.hostElement || cnt).isConnected === false) return; if (!cnt.atBottom && cnt.allowScroll && cnt.hasUserJustInteracted11_ && !cnt.hasUserJustInteracted11_()) { cnt.scrollToBottom_(); Promise.resolve().then(() => { if (cnt.isAttached === false || (cnt.hostElement || cnt).isConnected === false) return; if (!cnt.canScrollToBottom_()) cnt.scrollToBottom_(); }); } } ff(); Promise.resolve().then(ff); // requestAnimationFrame(ff); } else if (true) { // it might not be sticky to bottom when there is a full refresh. const knt = cnt; if (!scrollChatFn) { const cnt = knt; const f = () => { const itemScroller = cnt.itemScroller; if (!itemScroller || itemScroller.isConnected === false || cnt.isAttached === false) return; if (!cnt.atBottom) { cnt.scrollToBottom_(); } else if (itemScroller.scrollTop === 0) { // not yet interacted by user; cannot stick to bottom itemScroller.scrollTop = itemScroller.scrollHeight; } }; scrollChatFn = () => Promise.resolve().then(f).then(f); } if (!ENABLE_FULL_RENDER_REQUIRED) scrollChatFn(); } return 1; } catch (e) { console.warn(e); } } mclp.flushActiveItems77_ = async function () { try { const cnt = this; if (mlf > 1e9) mlf = 9; let tid = ++mlf; if (tid !== mlf || cnt.isAttached === false || (cnt.hostElement || cnt).isConnected === false) return; if (!cnt.activeItems_ || cnt.activeItems_.length === 0) return; // 4 times to maxItems to avoid frequent trimming. // 1 ... 10 ... 20 ... 30 ... 40 ... 50 ... 60 => 16 ... 20 ... 30 ..... 60 ... => 16 const lockedMaxItemsToDisplay = this.data.maxItemsToDisplay944; this.activeItems_.length > lockedMaxItemsToDisplay * 4 && lockedMaxItemsToDisplay > 4 && this.activeItems_.splice(0, this.activeItems_.length - lockedMaxItemsToDisplay - 1); if (cnt.canScrollToBottom_()) { if (cnt.mutexPromiseFA77) await cnt.mutexPromiseFA77; if (tid !== mlf) return; let qResolve = null; cnt.mutexPromiseFA77 = new Promise(resolve => { qResolve = resolve; }) let res; try { res = await cnt.flushActiveItems78_(tid); } catch (e) { console.warn(e); } qResolve && qResolve(); return res; } else { // cnt.flushActiveItems66_(); // this.activeItems_.length > this.data.maxItemsToDisplay && this.activeItems_.splice(0, this.activeItems_.length - this.data.maxItemsToDisplay); return 2; } } catch (e) { console.warn(e); } } mclp.flushActiveItems_ = function () { const cnt = this; if (arguments.length !== 0 || !cnt.activeItems_ || !cnt.canScrollToBottom_) return cnt.flushActiveItems66_.apply(this, arguments); if (cnt.activeItems_.length === 0) { cnt.__intermediate_delay__ = null; return; } const cntData = ((cnt || 0).data || 0); if (cntData.maxItemsToDisplay944 === undefined) { cntData.maxItemsToDisplay944 = null; if (cntData.maxItemsToDisplay > MAX_ITEMS_FOR_TOTAL_DISPLAY) cntData.maxItemsToDisplay = MAX_ITEMS_FOR_TOTAL_DISPLAY; cntData.maxItemsToDisplay944 = cntData.maxItemsToDisplay || null; } // ignore previous __intermediate_delay__ and create a new one cnt.__intermediate_delay__ = new Promise(resolve => { cnt.flushActiveItems77_().then(rt => { if (rt === 1) resolve(1); // success, scroll to bottom else if (rt === 2) resolve(2); // success, trim else resolve(-1); // skip }); }); } console.log("flushActiveItems_", "OK"); } else { console.log("flushActiveItems_", "NG"); } mclp.delayFlushActiveItemsAfterUserAction11_ = async function () { try { if (mlg > 1e9) mlg = 9; const tid = ++mlg; const keepTrialCond = () => this.atBottom && this.allowScroll && (tid === mlg) && this.isAttached === true && this.activeItems_.length >= 1 && (this.hostElement || 0).isConnected === true; const runCond = () => this.canScrollToBottom_(); if (!keepTrialCond()) return; if (runCond()) return this.flushActiveItems_() | 1; // avoid return promise await new Promise(r => setTimeout(r, 80)); if (!keepTrialCond()) return; if (runCond()) return this.flushActiveItems_() | 1; await new Promise(requestAnimationFrame); if (runCond()) return this.flushActiveItems_() | 1; } catch (e) { console.warn(e); } } if ((mclp.atBottomChanged_ || 0).length === 1) { // note: if the scrolling is too frequent, the show more visibility might get wrong. assertor(() => fnIntegrity(mclp.atBottomChanged_, '1.75.39')); const querySelector = HTMLElement.prototype.querySelector; const U = (element) => ({ querySelector: (selector) => querySelector.call(element, selector) }); let qid = 0; mclp.atBottomChanged_ = function (a) { let tid = ++qid; var b = this; a ? this.hideShowMoreAsync_ || (this.hideShowMoreAsync_ = this.async(function () { if (tid !== qid) return; U(b.hostElement).querySelector("#show-more").style.visibility = "hidden" }, 200)) : (this.hideShowMoreAsync_ && this.cancelAsync(this.hideShowMoreAsync_), this.hideShowMoreAsync_ = null, U(this.hostElement).querySelector("#show-more").style.visibility = "visible") } console.log("atBottomChanged_", "OK"); } else { console.log("atBottomChanged_", "NG"); } if ((mclp.onScrollItems_ || 0).length === 1) { assertor(() => fnIntegrity(mclp.onScrollItems_, '1.17.9')); mclp.onScrollItems66_ = mclp.onScrollItems_; mclp.onScrollItems77_ = async function (evt) { if (myw > 1e9) myw = 9; let tid = ++myw; await new Promise(requestAnimationFrame); if (tid !== myw) { return; } const cnt = this; await Promise.resolve(); if (USE_OPTIMIZED_ON_SCROLL_ITEMS) { await Promise.resolve().then(() => { this.ytRendererBehavior.onScroll(evt); }).then(() => { if (this.canScrollToBottom_()) { const hasUserJustInteracted = this.hasUserJustInteracted11_ ? this.hasUserJustInteracted11_() : true; if (hasUserJustInteracted) { // only when there is an user action this.setAtBottom(); return 1; } } else { // no message inserting this.setAtBottom(); return 1; } }).then((r) => { if (this.activeItems_.length) { if (this.canScrollToBottom_()) { this.flushActiveItems_(); return 1 && r; } else if (this.atBottom && this.allowScroll && (this.hasUserJustInteracted11_ && this.hasUserJustInteracted11_())) { // delayed due to user action this.delayFlushActiveItemsAfterUserAction11_ && this.delayFlushActiveItemsAfterUserAction11_(); return 0; } } }).then((r) => { if (r) { // ensure setAtBottom is correctly set this.setAtBottom(); } }); } else { cnt.onScrollItems66_(evt); } await Promise.resolve(); } mclp.onScrollItems_ = function (evt) { const cnt = this; cnt.__intermediate_delay__ = new Promise(resolve => { cnt.onScrollItems77_(evt).then(() => { resolve(); }); }); } console.log("onScrollItems_", "OK"); } else { console.log("onScrollItems_", "NG"); } if ((mclp.handleLiveChatActions_ || 0).length === 1) { assertor(() => fnIntegrity(mclp.handleLiveChatActions_, '1.31.17')); mclp.handleLiveChatActions66_ = mclp.handleLiveChatActions_; mclp.handleLiveChatActions77_ = async function (arr) { if (typeof (arr || 0).length !== 'number') { this.handleLiveChatActions66_(arr); return; } if (mzt > 1e9) mzt = 9; let tid = ++mzt; if (zarr === null) zarr = arr; else Array.prototype.push.apply(zarr, arr); arr = null; await new Promise(requestAnimationFrame); if (tid !== mzt || zarr === null) { return; } const carr = zarr; zarr = null; await Promise.resolve(); this.handleLiveChatActions66_(carr); await Promise.resolve(); } mclp.handleLiveChatActions_ = function (arr) { const cnt = this; cnt.__intermediate_delay__ = new Promise(resolve => { cnt.handleLiveChatActions77_(arr).then(() => { resolve(); }); }); } console.log("handleLiveChatActions_", "OK"); } else { console.log("handleLiveChatActions_", "NG"); } mclp.hasUserJustInteracted11_ = () => { const t = dateNow(); return (t - lastWheel < 80) || currentMouseDown || currentTouchDown || (t - lastUserInteraction < 80); } if ((mclp.canScrollToBottom_ || 0).length === 0) { assertor(() => fnIntegrity(mclp.canScrollToBottom_, '0.9.5')); mclp.canScrollToBottom_ = function () { return this.atBottom && this.allowScroll && !this.hasUserJustInteracted11_(); } console.log("canScrollToBottom_", "OK"); } else { console.log("canScrollToBottom_", "NG"); } if (ENABLE_NO_SMOOTH_TRANSFORM) { mclp.isSmoothScrollEnabled_ = function () { return false; } mclp.maybeResizeScrollContainer_ = function () { // } mclp.refreshOffsetContainerHeight_ = function () { // } mclp.smoothScroll_ = function () { // } mclp.resetSmoothScroll_ = function () { // } console.log("ENABLE_NO_SMOOTH_TRANSFORM", "OK"); } else { console.log("ENABLE_NO_SMOOTH_TRANSFORM", "NG"); } console.groupEnd(); }); const tickerContainerSetAttribute = function (attrName, attrValue) { // ensure '14.30000001%'.toFixed(1) let yd = (this.__dataHost || (this.inst || 0).__dataHost || 0).__data; if (arguments.length === 2 && attrName === 'style' && yd && attrValue) { // let v = yd.containerStyle.privateDoNotAccessOrElseSafeStyleWrappedValue_; let v = `${attrValue}`; // conside a ticker is 101px width // 1% = 1.01px // 0.2% = 0.202px const ratio1 = (yd.ratio * 100); if (ratio1 > -1) { // avoid NaN // countdownDurationMs // 600000 - 0.2% <1% = 6s> <0.2% = 1.2s> // 300000 - 0.5% <1% = 3s> <0.5% = 1.5s> // 150000 - 1% <1% = 1.5s> // 75000 - 2% <1% =0.75s > <2% = 1.5s> // 30000 - 5% <1% =0.3s > <5% = 1.5s> // 99px * 5% = 4.95px // 15000 - 10% <1% =0.15s > <10% = 1.5s> // 1% Duration let ratio2 = ratio1; const ydd = yd.data; const d1 = ydd.durationSec; const d2 = ydd.fullDurationSec; if (d1 === d2 && d1 > 1) { if (d1 > 400) ratio2 = Math.round(ratio2 * 5) / 5; // 0.2% else if (d1 > 200) ratio2 = Math.round(ratio2 * 2) / 2; // 0.5% else if (d1 > 100) ratio2 = Math.round(ratio2 * 1) / 1; // 1% else if (d1 > 50) ratio2 = Math.round(ratio2 * 0.5) / 0.5; // 2% else if (d1 > 25) ratio2 = Math.round(ratio2 * 0.2) / 0.2; // 5% (max => 99px * 5% = 4.95px) else ratio2 = Math.round(ratio2 * 0.2) / 0.2; } else { ratio2 = Math.round(ratio2 * 5) / 5; // 0.2% (min) } // ratio2 = Math.round(ratio2 * 5) / 5; ratio2 = ratio2.toFixed(1); v = v.replace(`${ratio1}%`, `${ratio2}%`).replace(`${ratio1}%`, `${ratio2}%`); if (yd.__style_last__ === v) return; yd.__style_last__ = v; // do not consider any delay here. // it shall be inside the looping for all properties changes. all the css background ops are in the same microtask. } HTMLElement.prototype.setAttribute.call(dr(this), attrName, v); } else { HTMLElement.prototype.setAttribute.apply(dr(this), arguments); } }; const fp = (renderer) => { const cnt = renderer.inst || renderer; assertor(() => typeof (cnt || 0).is === 'string'); assertor(() => ((cnt || 0).hostElement || 0).nodeType === 1); const container = (cnt.$ || 0).container; if (container) { assertor(() => (container || 0).nodeType === 1); assertor(() => typeof container.setAttribute === 'function'); container.setAttribute = tickerContainerSetAttribute; } else { console.warn(`"container" does not exist in ${cnt.is}`); } }; const tags = ["yt-live-chat-ticker-paid-message-item-renderer", "yt-live-chat-ticker-paid-sticker-item-renderer", "yt-live-chat-ticker-renderer", "yt-live-chat-ticker-sponsor-item-renderer"]; Promise.all(tags.map(tag => customElements.whenDefined(tag))).then(() => { mightFirstCheckOnYtInit(); groupCollapsed("YouTube Super Fast Chat", " | yt-live-chat-ticker-... hacks"); console.log("[Begin]"); for (const tag of tags) { const dummy = document.createElement(tag); const cProto = getProto(dummy); if (!cProto || !cProto.attached) { console.warn(`proto.attached for ${tag} is unavailable.`); continue; } cProto.attached77 = cProto.attached; cProto.attached = function () { fp(this.hostElement || this); return this.attached77(); } for (const elm of document.getElementsByTagName(tag)) { fp(elm); } if (ENABLE_RAF_HACK_TICKERS && rafHub !== null) { // cancelable - this.rafId < isAnimationPausedChanged > let doHack = false; if (typeof cProto.startCountdown === 'function' && typeof cProto.updateTimeout === 'function' && typeof cProto.isAnimationPausedChanged === 'function') { console.log('startCountdown', typeof cProto.startCountdown) console.log('updateTimeout', typeof cProto.updateTimeout) console.log('isAnimationPausedChanged', typeof cProto.isAnimationPausedChanged) doHack = fnIntegrity(cProto.startCountdown, '2.66.37') && fnIntegrity(cProto.updateTimeout, '1.76.45') && fnIntegrity(cProto.isAnimationPausedChanged, '2.56.30') } if (doHack) { cProto.startCountdown = function (a, b) { // console.log('cProto.startCountdown', tag) // yt-live-chat-ticker-sponsor-item-renderer if (!this.boundUpdateTimeout37_) this.boundUpdateTimeout37_ = this.updateTimeout.bind(this); b = void 0 === b ? 0 : b; void 0 !== a && (this.countdownMs = 1E3 * a, this.countdownDurationMs = b ? 1E3 * b : this.countdownMs, this.ratio = 1, this.lastCountdownTimeMs || this.isAnimationPaused || (this.lastCountdownTimeMs = performance.now(), this.rafId = rafHub.request(this.boundUpdateTimeout37_))) }; cProto.updateTimeout = function (a) { // console.log('cProto.updateTimeout', tag) // yt-live-chat-ticker-sponsor-item-renderer if (!this.boundUpdateTimeout37_) this.boundUpdateTimeout37_ = this.updateTimeout.bind(this); this.countdownMs = Math.max(0, this.countdownMs - (a - (this.lastCountdownTimeMs || 0))); this.ratio = this.countdownMs / this.countdownDurationMs; this.isAttached && this.countdownMs ? (this.lastCountdownTimeMs = a, this.rafId = rafHub.request(this.boundUpdateTimeout37_)) : (this.lastCountdownTimeMs = null, this.isAttached && ("auto" === this.hostElement.style.width && this.setContainerWidth(), this.slideDown())) }; cProto.isAnimationPausedChanged = function (a, b) { if (!this.boundUpdateTimeout37_) this.boundUpdateTimeout37_ = this.updateTimeout.bind(this); a ? rafHub.cancel(this.rafId) : !a && b && (a = this.lastCountdownTimeMs || 0, this.detlaSincePausedSecs && (a = (this.lastCountdownTimeMs || 0) + 1E3 * this.detlaSincePausedSecs, this.detlaSincePausedSecs = 0), this.boundUpdateTimeout37_(a), this.lastCountdownTimeMs = window.performance.now()) }; console.log('RAF_HACK_TICKERS', tag, "OK") } else { console.log('RAF_HACK_TICKERS', tag, "NG") } } } console.log("[End]"); console.groupEnd(); }) if (ENABLE_RAF_HACK_INPUT_RENDERER && rafHub !== null) { customElements.whenDefined("yt-live-chat-message-input-renderer").then(() => { mightFirstCheckOnYtInit(); groupCollapsed("YouTube Super Fast Chat", " | yt-live-chat-message-input-renderer hacks"); console.log("[Begin]"); (() => { const tag = "yt-live-chat-message-input-renderer" const dummy = document.createElement(tag); const cProto = getProto(dummy); if (!cProto || !cProto.attached) { console.warn(`proto.attached for ${tag} is unavailable.`); return; } let doHack = false; if (typeof cProto.handleTimeout === 'function' && typeof cProto.updateTimeout === 'function') { // not cancellable console.log('handleTimeout', typeof cProto.handleTimeout) console.log('updateTimeout', typeof cProto.updateTimeout) doHack = fnIntegrity(cProto.handleTimeout, '1.27.16') && fnIntegrity(cProto.updateTimeout, '1.50.33'); } if (doHack) { cProto.handleTimeout = function (a) { console.log('cProto.handleTimeout', tag) if (!this.boundUpdateTimeout38_) this.boundUpdateTimeout38_ = this.updateTimeout.bind(this); this.timeoutDurationMs = this.timeoutMs = a; this.countdownRatio = 1; 0 === this.lastTimeoutTimeMs && rafHub.request(this.boundUpdateTimeout38_) }; cProto.updateTimeout = function (a) { console.log('cProto.updateTimeout', tag) if (!this.boundUpdateTimeout38_) this.boundUpdateTimeout38_ = this.updateTimeout.bind(this); this.lastTimeoutTimeMs && (this.timeoutMs = Math.max(0, this.timeoutMs - (a - this.lastTimeoutTimeMs)), this.countdownRatio = this.timeoutMs / this.timeoutDurationMs); this.isAttached && this.timeoutMs ? (this.lastTimeoutTimeMs = a, rafHub.request(this.boundUpdateTimeout38_)) : this.lastTimeoutTimeMs = 0 }; console.log('RAF_HACK_INPUT_RENDERER', tag, "OK") } else { console.log('RAF_HACK_INPUT_RENDERER', tag, "NG") } })(); console.log("[End]"); console.groupEnd(); }) } if (ENABLE_RAF_HACK_EMOJI_PICKER && rafHub !== null) { customElements.whenDefined("yt-emoji-picker-renderer").then(() => { mightFirstCheckOnYtInit(); groupCollapsed("YouTube Super Fast Chat", " | yt-emoji-picker-renderer hacks"); console.log("[Begin]"); (() => { const tag = "yt-emoji-picker-renderer" const dummy = document.createElement(tag); const cProto = getProto(dummy); if (!cProto || !cProto.attached) { console.warn(`proto.attached for ${tag} is unavailable.`); return; } let doHack = false; if (typeof cProto.animateScroll_ === 'function') { // not cancellable console.log('animateScroll_', typeof cProto.animateScroll_) doHack = fnIntegrity(cProto.animateScroll_, '1.102.49') } if (doHack) { const querySelector = HTMLElement.prototype.querySelector; const U = (element) => ({ querySelector: (selector) => querySelector.call(element, selector) }); cProto.animateScroll_ = function (a) { // console.log('cProto.animateScroll_', tag) // yt-emoji-picker-renderer if (!this.boundAnimateScroll39_) this.boundAnimateScroll39_ = this.animateScroll_.bind(this); this.lastAnimationTime_ || (this.lastAnimationTime_ = a); a -= this.lastAnimationTime_; 200 > a ? (U(this.hostElement).querySelector("#categories").scrollTop = this.animationStart_ + (this.animationEnd_ - this.animationStart_) * a / 200, rafHub.request(this.boundAnimateScroll39_)) : (null != this.animationEnd_ && (U(this.hostElement).querySelector("#categories").scrollTop = this.animationEnd_), this.animationEnd_ = this.animationStart_ = null, this.lastAnimationTime_ = 0); this.updateButtons_() } console.log('ENABLE_RAF_HACK_EMOJI_PICKER', tag, "OK") } else { console.log('ENABLE_RAF_HACK_EMOJI_PICKER', tag, "NG") } })(); console.log("[End]"); console.groupEnd(); }); } if (ENABLE_RAF_HACK_DOCKED_MESSAGE && rafHub !== null) { customElements.whenDefined("yt-live-chat-docked-message").then(() => { mightFirstCheckOnYtInit(); groupCollapsed("YouTube Super Fast Chat", " | yt-live-chat-docked-message hacks"); console.log("[Begin]"); (() => { const tag = "yt-live-chat-docked-message" const dummy = document.createElement(tag); const cProto = getProto(dummy); if (!cProto || !cProto.attached) { console.warn(`proto.attached for ${tag} is unavailable.`); return; } let doHack = false; if (typeof cProto.detached === 'function' && typeof cProto.checkIntersections === 'function' && typeof cProto.onDockableMessagesChanged === 'function' && typeof cProto.boundCheckIntersections === 'undefined') { // cancelable - this.intersectRAF // yt-live-chat-docked-message // boundCheckIntersections <-> checkIntersections // onDockableMessagesChanged // this.intersectRAF = window.requestAnimationFrame(this.boundCheckIntersections); console.log('detached', typeof cProto.detached) console.log('checkIntersections', typeof cProto.checkIntersections) console.log('onDockableMessagesChanged', typeof cProto.onDockableMessagesChanged) doHack = fnIntegrity(cProto.detached, '0.32.22') && fnIntegrity(cProto.checkIntersections, '0.128.85') && fnIntegrity(cProto.onDockableMessagesChanged, '0.20.11') } if (doHack) { cProto.checkIntersections = function () { console.log('cProto.checkIntersections', tag) if (this.dockableMessages.length) { this.intersectRAF = rafHub.request(this.boundCheckIntersections); var a = this.dockableMessages[0] , b = this.hostElement.getBoundingClientRect(); a = a.getBoundingClientRect(); var c = a.top - b.top , d = 8 >= c; c = 8 >= c - this.hostElement.clientHeight; if (d) { for (var e; d;) { e = this.dockableMessages.shift(); d = this.dockableMessages[0]; if (!d) break; d = d.getBoundingClientRect(); c = d.top - b.top; var f = 8 >= c; if (8 >= c - a.height) if (f) a = d; else return; d = f } this.dock(e) } else c && this.dockedItem && this.clear() } else this.intersectRAF = 0 } cProto.onDockableMessagesChanged = function () { // console.log('cProto.onDockableMessagesChanged', tag) // yt-live-chat-docked-message this.dockableMessages.length && !this.intersectRAF && (this.intersectRAF = rafHub.request(this.boundCheckIntersections)) } cProto.detached = function () { this.intersectRAF && rafHub.cancel(this.intersectRAF) } console.log('ENABLE_RAF_HACK_DOCKED_MESSAGE', tag, "OK") } else { console.log('ENABLE_RAF_HACK_DOCKED_MESSAGE', tag, "NG") } })(); console.log("[End]"); console.groupEnd(); }); } }); }); })({ IntersectionObserver });