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Tabview Youtube

把Youtube Videos中的评论及视频列表制作成Tabs

目前为 2023-09-18 提交的版本。查看 最新版本。

  1. /*
  2.  
  3. MIT License
  4.  
  5. Copyright (c) 2021-2023 cyfung1031
  6.  
  7. Permission is hereby granted, free of charge, to any person obtaining a copy
  8. of this software and associated documentation files (the "Software"), to deal
  9. in the Software without restriction, including without limitation the rights
  10. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11. copies of the Software, and to permit persons to whom the Software is
  12. furnished to do so, subject to the following conditions:
  13.  
  14. The above copyright notice and this permission notice shall be included in all
  15. copies or substantial portions of the Software.
  16.  
  17. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23. SOFTWARE.
  24.  
  25. */
  26. // ==UserScript==
  27. // @name                  Tabview Youtube
  28. // @name:en               Tabview Youtube
  29. // @description           Make comments and lists into tabs for YouTube Videos
  30. // @description:en        Make comments and lists into tabs for YouTube Videos
  31. // @name:ja               Tabview Youtube
  32. // @description:ja        YouTube動画のコメントやリストなどをタブに作成します
  33. // @name:ko          Tabview Youtube
  34. // @description:ko        YouTube 동영상의 댓글 및 목록을 탭으로 만듭니다
  35. // @name:zh-TW            Tabview Youtube
  36. // @name:zh-HK            Tabview Youtube
  37. // @name:zh-CN            Tabview Youtube
  38. // @description:zh-TW     把Youtube Videos中的評論及影片清單製作成Tabs
  39. // @description:zh-HK     把Youtube Videos中的評論及影片清單製作成Tabs
  40. // @description:zh-CN     把Youtube Videos中的评论及视频列表制作成Tabs
  41. // @name:ru               Tabview Youtube
  42. // @description:ru        Сделайте описание, комментарии и список видео в виде вкладок для видео на YouTube
  43.  
  44. // @name:af          Tabview Youtube
  45. // @name:az          Tabview Youtube
  46. // @name:id          Tabview Youtube
  47. // @name:ms          Tabview Youtube
  48. // @name:bs          Tabview Youtube
  49. // @name:ca          Tabview Youtube
  50. // @name:cs          Tabview Youtube
  51. // @name:da          Tabview Youtube
  52. // @name:de          Tabview Youtube
  53. // @name:et          Tabview Youtube
  54. // @name:es          Tabview Youtube
  55. // @name:eu          Tabview Youtube
  56. // @name:fr          Tabview Youtube
  57. // @name:gl          Tabview Youtube
  58. // @name:hr          Tabview Youtube
  59. // @name:zu          Tabview Youtube
  60. // @name:is          Tabview Youtube
  61. // @name:it          Tabview Youtube
  62. // @name:sw          Tabview Youtube
  63. // @name:lv          Tabview Youtube
  64. // @name:lt          Tabview Youtube
  65. // @name:hu          Tabview Youtube
  66. // @name:nl          Tabview Youtube
  67. // @name:uz          Tabview Youtube
  68. // @name:pl          Tabview Youtube
  69. // @name:pt          Tabview Youtube
  70. // @name:pt-BR          Tabview Youtube
  71. // @name:ro          Tabview Youtube
  72. // @name:sq          Tabview Youtube
  73. // @name:sk          Tabview Youtube
  74. // @name:sl          Tabview Youtube
  75. // @name:sr          Tabview Youtube
  76. // @name:fi          Tabview Youtube
  77. // @name:sv          Tabview Youtube
  78. // @name:vi          Tabview Youtube
  79. // @name:tr          Tabview Youtube
  80. // @name:be          Tabview Youtube
  81. // @name:bg          Tabview Youtube
  82. // @name:ky          Tabview Youtube
  83. // @name:kk          Tabview Youtube
  84. // @name:mk          Tabview Youtube
  85. // @name:mn          Tabview Youtube
  86. // @name:uk          Tabview Youtube
  87. // @name:el          Tabview Youtube
  88. // @name:hy          Tabview Youtube
  89. // @name:ur          Tabview Youtube
  90. // @name:ar          Tabview Youtube
  91. // @name:fa          Tabview Youtube
  92. // @name:ne          Tabview Youtube
  93. // @name:mr          Tabview Youtube
  94. // @name:hi          Tabview Youtube
  95. // @name:as          Tabview Youtube
  96. // @name:bn          Tabview Youtube
  97. // @name:pa          Tabview Youtube
  98. // @name:gu          Tabview Youtube
  99. // @name:or          Tabview Youtube
  100. // @name:ta          Tabview Youtube
  101. // @name:te          Tabview Youtube
  102. // @name:kn          Tabview Youtube
  103. // @name:ml          Tabview Youtube
  104. // @name:si          Tabview Youtube
  105. // @name:th          Tabview Youtube
  106. // @name:lo          Tabview Youtube
  107. // @name:my          Tabview Youtube
  108. // @name:ka          Tabview Youtube
  109. // @name:am          Tabview Youtube
  110. // @name:km          Tabview Youtube
  111.  
  112.  
  113. // @description:af        Maak kommentaar en lyste as oortjies vir YouTube-video's
  114. // @description:az        YouTube Videoları üçün şərhləri və siyahıları tablara çevirin
  115. // @description:id        Ubah komentar dan daftar menjadi tab untuk Video YouTube
  116. // @description:ms        Ubah komen dan senarai menjadi tab untuk Video YouTube
  117. // @description:bs        Pretvorite komentare i liste u kartice za YouTube videozapise
  118. // @description:ca        Converteix comentaris i llistes en pestanyes per a Vídeos de YouTube
  119. // @description:cs        Převeďte komentáře a seznamy na karty pro YouTube videa
  120. // @description:da        Lav kommentarer og lister til faner for YouTube-videoer
  121. // @description:de        Machen Sie Kommentare und Listen zu Tabs für YouTube-Videos
  122. // @description:et        Muutke kommentaarid ja loendid YouTube'i videote jaoks kaartideks
  123. // @description:es        Convierte los comentarios y listas en pestañas para los Videos de YouTube
  124. // @description:eu        Egin iruzkinak eta zerrendak YouTube Bideoetarako fitxetan
  125. // @description:fr        Transformez les commentaires et les listes en onglets pour les vidéos YouTube
  126. // @description:gl        Converte comentarios e listas en lapelas para Vídeos de YouTube
  127. // @description:hr        Pretvorite komentare i popise u kartice za YouTube videe
  128. // @description:zu        Yenza ukubhala phansi kanye nemingcele ukuba yiithebhu kuVidiyo ze-YouTube
  129. // @description:is        Breyttu athugasemdum og listum í flipa fyrir YouTube myndbönd
  130. // @description:it        Trasforma commenti e liste in schede per i Video di YouTube
  131. // @description:sw        Geuza maoni na orodha kuwa vichupo kwa Video za YouTube
  132. // @description:lv        Pārveidojiet komentārus un sarakstus cilnēs YouTube video
  133. // @description:lt        Paverčia komentarus ir sąrašus skirtukais YouTube vaizdo įrašams
  134. // @description:hu        Alakítsa át a megjegyzéseket és listákat fülekké a YouTube videókhoz
  135. // @description:nl        Maak van reacties en lijsten tabs voor YouTube-video's
  136. // @description:uz        YouTube videolar uchun sharhlar va ro'yxatlarni ichki oynalar qiling
  137. // @description:pl        Przekształć komentarze i listy w karty dla filmów na YouTube
  138. // @description:pt        Transforme comentários e listas em abas para Vídeos do YouTube
  139. // @description:pt-BR     Transforme comentários e listas em abas para Vídeos do YouTube
  140. // @description:ro        Transformă comentariile și listele în file pentru Videoclipuri YouTube
  141. // @description:sq        Kthe komentet dhe listat në skeda për Videot në YouTube
  142. // @description:sk        Premente komentáre a zoznamy na karty pre YouTube videá
  143. // @description:sl        Pretvori komentarje in sezname v zavihke za YouTube videe
  144. // @description:sr        Pretvorite komentare i liste u kartice za YouTube videe
  145. // @description:fi        Muuta kommentit ja luettelot välilehdiksi YouTube-videoille
  146. // @description:sv        Gör kommentarer och listor till flikar för YouTube-videor
  147. // @description:vi        Chuyển đổi bình luận và danh sách thành tab cho Video YouTube
  148. // @description:tr        Yorumları ve listeleri YouTube Videoları için sekmelere dönüştürün
  149. // @description:be        Пераўтварыце каментарыі і спісы ў закладкі для відэа на YouTube
  150. // @description:bg        Превърнете коментарите и списъците в раздели за видеоклипове в YouTube
  151. // @description:ky        YouTube видеолору үчүн эскертүүлөрдү жана тизмелерди табдыктарга айлантырыңыз
  152. // @description:kk        Пікірлер мен тізімдерді YouTube видеолары үшін қоймақтарға айналдырыңыз
  153. // @description:mk        Претворете ги коментарите и листите во јазичиња за Видеа на YouTube
  154. // @description:mn        YouTube видео дэх сэтгэгдлүүд болон жагсаалтыг табчууд болгоно уу
  155. // @description:uk        Зробіть коментарі та списки у вкладки для відео на YouTube
  156. // @description:el        Μετατρέψτε τα σχόλια και τις λίστες σε καρτέλες για τα βίντεο του YouTube
  157. // @description:hy        Վերածեք մեկնաբանությունները և ցուցակները YouTube տեսանյութերի ներդիրների
  158. // @description:ur        YouTube ویڈیوز کے لئے تبصرے اور فہرستوں کو ٹیب میں تبدیل کریں
  159. // @description:ar        قم بتحويل التعليقات والقوائم إلى علامات تبويب لفيديوهات YouTube
  160. // @description:fa        نظرات و فهرست ها را به زبانه ها برای ویدیوهای YouTube تبدیل کنید
  161. // @description:ne        YouTube भिडियोहरूका लागि प्रतिक्रिया र सूचीहरूलाई ट्याबहरूमा परिवर्तन गर्नुहोस्
  162. // @description:mr        YouTube व्हिडिओसाठी टिप्पण्या आणि यादीतबांमध्ये करा
  163. // @description:hi        YouTube वीडियो के लिए टिप्पणियाँ और सूचियों को टैब में बदलें
  164. // @description:as        YouTube ভিডিঅ'ৰ বাবে মন্তব্য আৰু তালিকাসমূহ টেবলত পৰিণত কৰক
  165. // @description:bn        YouTube ভিডিওর জন্য মন্তব্য এবং তালিকা ট্যাবে পরিণত করুন
  166. // @description:pa        ਯੂਟਿਊਬ ਵੀਡੀਓਜ਼ ਲਈ ਟਿੱਪਣੀਆਂ ਅਤੇ ਸੂਚੀਆਂ ਨੂੰ ਟੈਬਾਂ ਵਿੱਚ ਬਦਲੋ
  167. // @description:gu        YouTube વિડિઓ માટે ટિપ્પણીઓ અને યાદીઓ ટૅબમાં બદલો
  168. // @description:or        YouTube ଭିଡିଓ ପାଇଁ ମନ୍ତବ୍ୟ ଏବଂ ତାଲିକାଗୁଡ଼ିକ ଟ୍ୟାବମାନେ ପରିବର୍ତ୍ତନ କରନ୍ତୁ
  169. // @description:ta        YouTube வீடியோக்கான கருத்துக்கள் மற்றும் பட்டியல்களை தாவல்களாக மாற்றவும்
  170. // @description:te        YouTube వీడియోల కోసం వ్యాఖ్యలు మరియు జాబితాలను ట్యాబ్లలుగా మార్చండి
  171. // @description:kn        YouTube ವೀಡಿಯೊಗಳಿಗಾಗಿ ಟಿಪ್ಪಣಿಗಳನ್ನು ಮತ್ತು ಪಟ್ಟಿಗಳನ್ನು ಟ್ಯಾಬ್‌ಗಳಾಗಿ ಮಾಡಿ
  172. // @description:ml        YouTube വീഡിയോകൾക്കായി അഭിപ്രായങ്ങളും പട്ടികകളും ടാബുകളായി മാറ്റുക
  173. // @description:si        YouTube වීඩියෝ සඳහා අදහස් සහ ලැයිස්තු ටැබ් කරන්න
  174. // @description:th        ทำให้ความคิดเห็นและรายการเป็นแท็บสำหรับวิดีโอ YouTube
  175. // @description:lo        ປ່ຽນຄວາມເຫັນຂອງຄົນເບິ່ງແລະລາຍການເປັນແຖບສໍາລັບວິດີໂອ YouTube
  176. // @description:my        YouTube ဗီဒီယိုများအတွက် မှတ်ချက်များနှင့် စာရင်းများကို Tabs အဖြစ် ပြောင်းပါ
  177. // @description:ka        გადაიყვანეთ კომენტარები და სიები ჩანართებში YouTube ვიდეოებისთვის
  178. // @description:am        አስተያየቶችን እና ዝርዝሮችን YouTube ቪዲዮዎች ለትርጓሜዎች ውስጥ ያስተካክሉ
  179. // @description:km        បង្កើតមតិយោបល់និងបញ្ជីទៅជាផ្ទាំងសម្រាប់វីដេអូ YouTube
  180.  
  181. // @version               4.33.12
  182. // @resource              contentCSS    https://raw.githubusercontent.com/cyfung1031/Tabview-Youtube/44f3d76938b3143ca236aac242059aada57530f4/css/style_content.css
  183. // @resource              injectionJS1  https://raw.githubusercontent.com/cyfung1031/Tabview-Youtube/44f3d76938b3143ca236aac242059aada57530f4/js/injection_script_1.js
  184. // @require               https://greasyfork.org/scripts/465421-vanilla-js-dialog/code/Vanilla%20JS%20Dialog.js?version=1188332
  185.  
  186. // @namespace             http://tampermonkey.net/
  187. // @author                CY Fung
  188. // @license               MIT
  189. // @supportURL            https://github.com/cyfung1031/Tabview-Youtube
  190. // @run-at                document-start
  191. // @match                 https://www.youtube.com/*
  192. // @exclude               /^https?://\S+\.(txt|png|jpg|jpeg|gif|xml|svg|manifest|log|ini)[^\/]*$/
  193. // @icon                  https://github.com/cyfung1031/Tabview-Youtube/raw/main/images/icon128p.png
  194.  
  195. // @compatible            edge Edge [Blink] >= 79;                      Tampermonkey (Beta) / Violentmonkey
  196. // @compatible            chrome Chrome >= 54;                          Tampermonkey (Beta) / Violentmonkey
  197. // @compatible            firefox FireFox / Waterfox (Classic) >= 55;   Tampermonkey / Violentmonkey
  198. // @compatible            opera Opera >= 41;                            Tampermonkey (Beta) / Violentmonkey
  199. // @compatible            safari Safari >= 12.1
  200.  
  201. // @grant                 GM_getResourceText
  202. // @grant                 GM_registerMenuCommand
  203. // @noframes
  204. // ==/UserScript==
  205.  
  206. /* jshint esversion:8 */
  207.  
  208. function main(){
  209.     'use strict';
  210.     // MIT License
  211.     // https://github.com/cyfung1031/Tabview-Youtube/raw/main/js/content.js
  212.  
  213. -(function (__CONTEXT__) {
  214.   'use strict';
  215.  
  216.   let __Promise__;
  217.   try {
  218.     __Promise__ = (async () => { })().constructor; // due to YouTube's Promise Hack
  219.   } catch (e) {
  220.     throw 'Please update your browser to use Tabview Youtube.';
  221.   }
  222.  
  223.   const fxOperator = (proto, propertyName) => {
  224.     let propertyDescriptorGetter = null;
  225.     try {
  226.       propertyDescriptorGetter = Object.getOwnPropertyDescriptor(proto, propertyName).get;
  227.     } catch (e) { }
  228.     return typeof propertyDescriptorGetter === 'function' ? (e) => propertyDescriptorGetter.call(e) : (e) => e[propertyName];
  229.   };
  230.  
  231.   const fxAPI = (proto, propertyName) => {
  232.     const methodFunc = proto[propertyName];
  233.     return typeof methodFunc === 'function' ? (e, ...args) => methodFunc.apply(e, args) : (e, ...args) => e[propertyName](...args);
  234.   };
  235.  
  236.   const nodeParent = fxOperator(Node.prototype, 'parentNode');
  237.   const nodeFirstChild = fxOperator(Node.prototype, 'firstChild');
  238.   const nodeNextSibling = fxOperator(Node.prototype, 'nextSibling');
  239.  
  240.   // const elementQS = fxAPI(Element.prototype, 'querySelector');
  241.   // const elementQSA = fxAPI(Element.prototype, 'querySelectorAll');
  242.   const elementNextSibling = fxOperator(Element.prototype, 'nextElementSibling');
  243.   // const elementPrevSibling = fxOperator(Element.prototype, 'previousElementSibling');
  244.  
  245.  
  246.   /** @type {PromiseConstructor} */
  247.   const Promise = __Promise__; // YouTube hacks Promise in WaterFox Classic and "Promise.resolve(0)" nevers resolve.
  248.  
  249.   const { requestAnimationFrame, cancelAnimationFrame } = __CONTEXT__;
  250.   
  251.   let _rafPromise = null;
  252.  
  253.   const getRAFPromise = () => _rafPromise || (_rafPromise = new Promise(resolve => {
  254.     requestAnimationFrame(hRes => {
  255.       _rafPromise = null;
  256.       resolve(hRes);
  257.     });
  258.   }));
  259.  
  260.   function inIframe() {
  261.     try {
  262.       return window.self !== window.top;
  263.     } catch (e) {
  264.       return true;
  265.     }
  266.   }
  267.  
  268.   if (inIframe()) return;
  269.  
  270.   if (document.documentElement && document.documentElement.hasAttribute('plugin-tabview-youtube')) {
  271.     console.warn('Multiple instances of Tabview Youtube is attached. [0x7F01]')
  272.     return;
  273.   }
  274.  
  275.   //if (!$) return;
  276.  
  277.   /**
  278.    * SVG resources:
  279.    * <div>Icons made by <a href="https://www.flaticon.com/authors/smashicons" title="Smashicons">Smashicons</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a></div>
  280.    */
  281.  
  282.   const scriptVersionForExternal = '2022/12/04';
  283.  
  284.   const isMyScriptInChromeRuntime = () => typeof GM === 'undefined' && typeof ((((window || 0).chrome || 0).runtime || 0).getURL) === 'function';
  285.   const isGMAvailable = () => typeof GM !== 'undefined' && !isMyScriptInChromeRuntime();
  286.  
  287.   // https://yqnn.github.io/svg-path-editor/
  288.   // https://vecta.io/nano
  289.  
  290.   const svgComments = `<path d="M80 27H12A12 12 90 0 0 0 39v42a12 12 90 0 0 12 12h12v20a2 2 90 0 0 3.4 2L47 93h33a12 
  291.   12 90 0 0 12-12V39a12 12 90 0 0-12-12zM20 47h26a2 2 90 1 1 0 4H20a2 2 90 1 1 0-4zm52 28H20a2 2 90 1 1 0-4h52a2 2 90 
  292.   1 1 0 4zm0-12H20a2 2 90 1 1 0-4h52a2 2 90 1 1 0 4zm36-58H40a12 12 90 0 0-12 12v6h52c9 0 16 7 16 16v42h0v4l7 7a2 2 90 
  293.   0 0 3-1V71h2a12 12 90 0 0 12-12V17a12 12 90 0 0-12-12z"/>`.trim();
  294.  
  295.   const svgVideos = `<path d="M89 10c0-4-3-7-7-7H7c-4 0-7 3-7 7v70c0 4 3 7 7 7h75c4 0 7-3 7-7V10zm-62 2h13v10H27V12zm-9 
  296.   66H9V68h9v10zm0-56H9V12h9v10zm22 56H27V68h13v10zm-3-25V36c0-2 2-3 4-2l12 8c2 1 2 4 0 5l-12 8c-2 1-4 0-4-2zm25 
  297.   25H49V68h13v10zm0-56H49V12h13v10zm18 56h-9V68h9v10zm0-56h-9V12h9v10z"/>`.trim();
  298.  
  299.   const svgInfo = `<path d="M30 0C13.3 0 0 13.3 0 30s13.3 30 30 30 30-13.3 30-30S46.7 0 30 0zm6.2 46.6c-1.5.5-2.6 
  300.   1-3.6 1.3a10.9 10.9 0 0 1-3.3.5c-1.7 0-3.3-.5-4.3-1.4a4.68 4.68 0 0 1-1.6-3.6c0-.4.2-1 .2-1.5a20.9 20.9 90 0 1 
  301.   .3-2l2-6.8c.1-.7.3-1.3.4-1.9a8.2 8.2 90 0 0 .3-1.6c0-.8-.3-1.4-.7-1.8s-1-.5-2-.5a4.53 4.53 0 0 0-1.6.3c-.5.2-1 
  302.   .2-1.3.4l.6-2.1c1.2-.5 2.4-1 3.5-1.3s2.3-.6 3.3-.6c1.9 0 3.3.6 4.3 1.3s1.5 2.1 1.5 3.5c0 .3 0 .9-.1 1.6a10.4 10.4 
  303.   90 0 1-.4 2.2l-1.9 6.7c-.2.5-.2 1.1-.4 1.8s-.2 1.3-.2 1.6c0 .9.2 1.6.6 1.9s1.1.5 2.1.5a6.1 6.1 90 0 0 1.5-.3 9 9 90 
  304.   0 0 1.4-.4l-.6 2.2zm-3.8-35.2a1 1 0 010 8.6 1 1 0 010-8.6z"/>`.trim();
  305.  
  306.   const svgPlayList = `<path d="M0 3h12v2H0zm0 4h12v2H0zm0 4h8v2H0zm16 0V7h-2v4h-4v2h4v4h2v-4h4v-2z"/>`.trim();
  307.  
  308.   const svgDiag1 = `<svg stroke="currentColor" fill="none"><path d="M8 2h2v2M7 5l3-3m-6 8H2V8m0 2l3-3"/></svg>`;
  309.   const svgDiag2 = `<svg stroke="currentColor" fill="none"><path d="M7 3v2h2M7 5l3-3M5 9V7H3m-1 3l3-3"/></svg>`;
  310.  
  311.   const REMOVE_DUPLICATE_INFO = true;
  312.   const REMOVE_DUPLICATE_META_RECOMMENDATION = true; /* https://www.youtube.com/watch?v=kGihxscQCPE */
  313.   const MINIVIEW_BROWSER_ENABLE = true;
  314.   const DEBUG_LOG = false;
  315.  
  316.   function dnsPrefetch() {
  317.  
  318.  
  319.     function linker(link, rel, href, _as) {
  320.       return new Promise(resolve => {
  321.         if (!link) link = document.createElement('link');
  322.         link.rel = rel;
  323.         if (_as) link.setAttribute('as', _as);
  324.         link.onload = function () {
  325.           resolve({
  326.             link: this,
  327.             success: true
  328.           })
  329.           this.remove();
  330.         };
  331.         link.onerror = function () {
  332.           resolve({
  333.             link: this,
  334.             success: false
  335.           });
  336.           this.remove();
  337.         };
  338.         link.href = href;
  339.         (document.head || document.documentElement).appendChild(link);
  340.         link = null;
  341.       });
  342.     }
  343.  
  344.     new Promise(resolve => {
  345.  
  346.       if (document.documentElement) {
  347.         resolve();
  348.       } else {
  349.  
  350.         let mo = new MutationObserver(() => {
  351.           if (mo !== null && document.documentElement) {
  352.             mo.takeRecords();
  353.             mo.disconnect();
  354.             mo = null;
  355.             resolve();
  356.           }
  357.         });
  358.         mo.observe(document, { childList: true, subtree: false })
  359.  
  360.       }
  361.  
  362.     }).then(() => {
  363.  
  364.       const hosts = [
  365.         'https://i.ytimg.com',
  366.         'https://www.youtube.com',
  367.         'https://rr2---sn-5n5ip-ioqd.googlevideo.com',
  368.         'https://googlevideo.com',
  369.         'https://accounts.youtube.com',
  370.         'https://jnn-pa.googleapis.com',
  371.         'https://googleapis.com',
  372.         'https://fonts.gstatic.com',
  373.         'https://www.gstatic.com',
  374.         'https://yt3.ggpht.com',
  375.         'https://yt4.ggpht.com'
  376.       ]
  377.       for (const h of hosts) {
  378.  
  379.  
  380.         linker(null, 'preconnect', h);
  381.  
  382.       }
  383.  
  384.  
  385.  
  386.     });
  387.   }
  388.   dnsPrefetch();
  389.  
  390.  
  391.   let _isPageFirstLoaded = true;
  392.  
  393.   async function makeTytLock() {
  394.     let c = 8;
  395.     while (!document.documentElement) {
  396.       if (--c === 0) return
  397.       await getRAFPromise().then()
  398.     }
  399.     if (_isPageFirstLoaded) document.documentElement.setAttribute('tyt-lock', '')
  400.   }
  401.   if (location.pathname === '/watch') makeTytLock()
  402.   /*
  403.  
  404.   youtube page
  405.  
  406.     = Init::browse
  407.       yt-page-data-fetched
  408.       data-changed...
  409.       yt-page-data-updated
  410.       yt-navigate-finish
  411.       data-changed...
  412.       yt-watch-comments-ready
  413.     
  414.     = browse -> watch
  415.       yt-player-updated
  416.       yt-navigate
  417.       yt-navigate-start
  418.       yt-page-type-changed
  419.       yt-player-updated
  420.       yt-page-data-fetched
  421.       yt-navigate-finish
  422.       data-changed...
  423.       yt-page-data-updated
  424.       data-changed...
  425.       yt-watch-comments-ready
  426.       data-changed...
  427.  
  428.     = watch -> watch
  429.     = click video on meta panel // https://www.youtube.com/watch?v=UY5bp5CNhak; https://www.youtube.com/watch?v=m0WtnU8NVTo
  430.       yt-navigate
  431.       yt-navigate-start
  432.       data-changed
  433.       yt-player-updated
  434.       yt-page-data-fetched
  435.       yt-navigate-finish
  436.       data-changed...
  437.       yt-page-data-updated
  438.       data-changed...
  439.       yt-watch-comments-ready
  440.       data-changed...
  441.  
  442.     = watch -> browse (miniview)
  443.       yt-navigate-cache
  444.       yt-page-data-fetched
  445.       yt-page-type-changed
  446.       yt-page-data-updated
  447.       yt-navigate-finish
  448.  
  449.     = browse (miniview)  -> watch (Restore)
  450.       yt-navigate-cache
  451.       yt-page-data-fetched
  452.       yt-navigate-finish
  453.       yt-page-type-changed
  454.       yt-page-data-updated
  455.       data-changed...
  456.       yt-watch-comments-ready
  457.  
  458.     = watch -> search (miniview)
  459.       yt-navigate
  460.       yt-navigate-start
  461.       data-changed
  462.       yt-page-data-fetched
  463.       yt-page-type-changed
  464.       data-changed
  465.       yt-page-data-updated
  466.       yt-navigate-finish
  467.       data-changed...
  468.  
  469.     = Init::search
  470.       yt-page-data-fetched
  471.       data-changed
  472.       yt-page-data-updated
  473.       yt-navigate-finish
  474.       data-changed...
  475.       yt-watch-comments-ready
  476.  
  477.     = Init::watch
  478.       yt-page-data-fetched
  479.       yt-navigate-finish
  480.       data-changed...
  481.       yt-page-data-updated
  482.       data-changed...
  483.       yt-watch-comments-ready
  484.       yt-player-updated
  485.       data-changed...
  486.  
  487.     = watch -> watch (history back)
  488.       yt-player-updated
  489.       yt-page-data-fetched
  490.       yt-navigate-finish
  491.       data-changed...
  492.       yt-page-data-updated
  493.       data-changed...
  494.       yt-watch-comments-ready
  495.  
  496.     = watch -> click video time // https://www.youtube.com/watch?v=UY5bp5CNhak; https://www.youtube.com/watch?v=m0WtnU8NVTo
  497.       yt-navigate
  498.  
  499.   */
  500.  
  501.  
  502.  
  503.   const LAYOUT_VAILD = 1;
  504.  
  505.   const LAYOUT_TWO_COLUMNS = 2;
  506.   const LAYOUT_THEATER = 4;
  507.   const LAYOUT_FULLSCREEN = 8;
  508.   const LAYOUT_CHATROOM = 16;
  509.   const LAYOUT_CHATROOM_COLLAPSED = 32;
  510.   const LAYOUT_TAB_EXPANDED = 64;
  511.   const LAYOUT_ENGAGEMENT_PANEL_EXPANDED = 128;
  512.   const LAYOUT_CHATROOM_EXPANDED = 256;
  513.   const LAYOUT_DONATION_SHELF_EXPANDED = 512;
  514.  
  515.   const nonCryptoRandStr_base = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  516.  
  517.   const nullFunc = function () { };
  518.  
  519.  
  520.   let scriptEnable = false;
  521.  
  522.   let comments_loader = 0; // for comment count (might omit)
  523.  
  524.   let cmTime = 0;
  525.   const mTime = Date.now() - 152000000;
  526.  
  527.   //let lastScrollFetch = 0;
  528.   //let lastOffsetTop = 0;
  529.   let mtf_forceCheckLiveVideo_disable = 0;
  530.  
  531.   let tabsUiScript_setclick = false;
  532.   let pageFetchedDataVideoId = null; // integer; for comment checking
  533.   let pageType = null; // pageType = 'watch', 'browse', 'playlist', ...
  534.   let chatroomDetails = null;
  535.   let switchTabActivity_lastTab = null
  536.  
  537.   let lstTab = null;
  538.  
  539.   let storeLastPanel = null; // WeakRef
  540.  
  541.  
  542.   let mtf_chatBlockQ = null; // for chat layout status change
  543.  
  544.   let enableHoverSliderDetection = false; // for hover slider
  545.  
  546.  
  547.   let firstLoadStatus = 2 | 8; // for page init
  548.  
  549.  
  550.   let m_last_count = ''; // for comment count
  551.  
  552.  
  553.  
  554.   let sVideosITO = null;
  555.  
  556.   /** @type {WeakRef | null} */
  557.   let ytdFlexy = null; // WeakRef
  558.  
  559.   const Q = {}
  560.   const SETTING_DEFAULT_TAB_0 = "#tab-videos"
  561.   const settings = {
  562.     defaultTab: SETTING_DEFAULT_TAB_0
  563.   };
  564.  
  565.   const STORE_VERSION = 1;
  566.   const STORE_key = 'userscript-tabview-settings';
  567.   const key_default_tab = 'my-default-tab';
  568.  
  569.   let hiddenTabsByUserCSS = 0;
  570.   let defaultTabByUserCSS = 0;
  571.   let setupDefaultTabBtnSetting = null;
  572.   let isCommentsTabBtnHidden = false;
  573.  
  574.   let fetchCounts = {
  575.     base: null,
  576.     new: null,
  577.     fetched: false,
  578.     count: null,
  579.   }
  580.  
  581.   let pageLang = 'en';
  582.   const langWords = {
  583.     'en': {
  584.       //'share':'Share',
  585.       'info': 'Info',
  586.       'videos': 'Videos',
  587.       'playlist': 'Playlist'
  588.     },
  589.     'jp': {
  590.       //'share':'共有',
  591.       'info': '情報',
  592.       'videos': '動画',
  593.       'playlist': '再生リスト'
  594.     },
  595.     'tw': {
  596.       //'share':'分享',
  597.       'info': '資訊',
  598.       'videos': '影片',
  599.       'playlist': '播放清單'
  600.     },
  601.     'cn': {
  602.       //'share':'分享',
  603.       'info': '资讯',
  604.       'videos': '视频',
  605.       'playlist': '播放列表'
  606.     },
  607.     'du': {
  608.       //'share':'Teilen',
  609.       'info': 'Info',
  610.       'videos': 'Videos',
  611.       'playlist': 'Playlist'
  612.     },
  613.     'fr': {
  614.       //'share':'Partager',
  615.       'info': 'Info',
  616.       'videos': 'Vidéos',
  617.       'playlist': 'Playlist'
  618.     },
  619.     'kr': {
  620.       //'share':'공유',
  621.       'info': '정보',
  622.       'videos': '동영상',
  623.       'playlist': '재생목록'
  624.     },
  625.     'ru': {
  626.       //'share':'Поделиться',
  627.       'info': 'Описание',
  628.       'videos': 'Видео',
  629.       'playlist': 'Плейлист'
  630.     }
  631.   };
  632.  
  633.   const getGMT = () => {
  634.     let m = new Date('2023-01-01T00:00:00Z');
  635.     return m.getDate() === 1 ? `+${m.getHours()}` : `-${24 - m.getHours()}`;
  636.   };
  637.  
  638.   function durationInfoTS(durationInfo) {
  639.     /**
  640.      * @type {{ hrs: number, mins: number, seconds: number }}
  641.      */
  642.     let _durationInfo = durationInfo
  643.     return _durationInfo
  644.   }
  645.  
  646.   function formatDateReqTS(req) {
  647.     /**
  648.      * @type {{ bd1: KDate | undefined, bd2: KDate | undefined, isSameDay: number | undefined, durationInfo: object | undefined, formatDates: object | undefined }}
  649.      */
  650.     let _req = req
  651.     return _req
  652.   }
  653.  
  654.   function liveDurationLocaleEN(durationInfo) {
  655.  
  656.     const { hrs, mins, seconds } = durationInfoTS(durationInfo)
  657.     let ret = []
  658.     ret.push(`Length:`)
  659.     if (hrs > 0) ret.push(`${hrs} ${hrs === 1 ? 'hour' : 'hours'}`)
  660.     if (mins > 0) ret.push(`${mins} ${mins === 1 ? 'minute' : 'minutes'}`)
  661.     if (seconds !== null) ret.push(`${seconds} ${seconds === 1 ? 'second' : 'seconds'}`)
  662.     return ret.join(' ')
  663.   }
  664.  
  665.   /* liveDurationLocaleEN by ChatGPT @ 2023.05.11 */
  666.   function liveDurationLocaleJP(durationInfo) {
  667.  
  668.     const { hrs, mins, seconds } = durationInfoTS(durationInfo);
  669.     let ret = [];
  670.     ret.push(`長さ：`);
  671.     if (hrs > 0) ret.push(`${hrs}時間`);
  672.     if (mins > 0) ret.push(`${mins}分`);
  673.     if (seconds !== null) ret.push(`${seconds}秒`);
  674.     return ret.join('');
  675.  
  676.   }
  677.  
  678.   function formatDateResultEN(type, req) {
  679.  
  680.     const { bd1, bd2, durationInfo, formatDates } = formatDateReqTS(req)
  681.  
  682.     switch (type) {
  683.       case 0x200:
  684.         return [
  685.           `The livestream was in ${bd1.lokStringDateEN()} from ${bd1.lokStringTime()} to ${bd2.lokStringTime()}. [GMT${getGMT()}]`,
  686.           liveDurationLocaleEN(durationInfo)
  687.         ].join('\n');
  688.       case 0x210:
  689.         return [
  690.           `The livestream was from ${bd1.lokStringDateEN()} ${bd1.lokStringTime()} to ${bd2.lokStringDateEN()} ${bd2.lokStringTime()}. [GMT${getGMT()}]`,
  691.           liveDurationLocaleEN(durationInfo)
  692.         ].join('\n');
  693.       case 0x300:
  694.         return `The livestream started at ${bd1.lokStringTime()} [GMT${getGMT()}] in ${bd1.lokStringDateEN()}.`;
  695.       case 0x600:
  696.         return `The video was uploaded in ${formatDates.uploadDate} and published in ${formatDates.publishDate}.`;
  697.       case 0x610:
  698.         return `The video was uploaded in ${formatDates.uploadDate}.`;
  699.       case 0x700:
  700.         return `The video was published in ${formatDates.publishDate}.`;
  701.     }
  702.     return '';
  703.  
  704.   }
  705.  
  706.   /* formatDateResultJP by ChatGPT @ 2023.05.11 */
  707.  
  708.   function formatDateResultJP(type, req) {
  709.  
  710.     const { bd1, bd2, durationInfo, formatDates } = formatDateReqTS(req);
  711.  
  712.     switch (type) {
  713.       case 0x200:
  714.         return [
  715.           `ライブ配信は${bd1.lokStringDateJP()}の${bd1.lokStringTime()}から開始し、${bd2.lokStringTime()}まで続きました。[GMT${getGMT()}]`,
  716.           liveDurationLocaleJP(durationInfo)
  717.         ].join('\n');
  718.       case 0x210:
  719.         return [
  720.           `ライブ配信は${bd1.lokStringDateJP()}の${bd1.lokStringTime()}から${bd2.lokStringDateJP()}の${bd2.lokStringTime()}まで行われました。[GMT${getGMT()}]`,
  721.           liveDurationLocaleJP(durationInfo)
  722.         ].join('\n');
  723.       case 0x300:
  724.         return `ライブ配信は${bd1.lokStringDateJP()}の${bd1.lokStringTime()}から開始しました。[GMT${getGMT()}]`;
  725.       case 0x600:
  726.         return `この動画は${formatDates.uploadDate}にアップロードされ、${formatDates.publishDate}に公開されました。`;
  727.       case 0x610:
  728.         return `この動画は${formatDates.uploadDate}にアップロードされました。`;
  729.       case 0x700:
  730.         return `この動画は${formatDates.publishDate}に公開されました。`;
  731.     }
  732.     return '';
  733.  
  734.   }
  735.  
  736.   function getFormatDateResultFunc() {
  737.     switch (getLang()) {
  738.       case 'jp':
  739.         return formatDateResultJP;
  740.       case 'en':
  741.       default:
  742.         return formatDateResultEN;
  743.     }
  744.   }
  745.  
  746.  
  747.   // const S_GENERAL_RENDERERS = ['YTD-TOGGLE-BUTTON-RENDERER', 'YTD-MENU-RENDERER']
  748.  
  749.   let globalHook_symbols = [];
  750.   let globalHook_hashs = {};
  751.  
  752.  
  753.   let singleColumnScrolling_dt = 0;
  754.  
  755.   let isStickyHeaderEnabled = false;
  756.   let isMiniviewForStickyHeadEnabled = false;
  757.  
  758.   let theater_mode_changed_dt = 0;
  759.   let detailsTriggerReset = false;
  760.  
  761.  
  762.   let isMakeHeaderFloatCalled = false;
  763.  
  764.   let _viTimeNum = 200;
  765.   let _updateTimeAccum = 0;
  766.  
  767.   /** @type {WeakMap<HTMLElement>} */
  768.   let loadedCommentsDT = new WeakMap();
  769.  
  770.  
  771.  
  772.   // for weakref variable management
  773.   const es = {
  774.     get ytdFlexy() {
  775.       /** @type { HTMLElement | null } */
  776.       let res = kRef(ytdFlexy);
  777.       return res;
  778.     },
  779.     get storeLastPanel() {
  780.       /** @type { HTMLElement | null } */
  781.       let res = kRef(storeLastPanel);
  782.       return res;
  783.     }
  784.   }
  785.  
  786.  
  787.   const _console = new Proxy(console, {
  788.     get(target, prop, receiver) {
  789.       if (!DEBUG_LOG && prop === 'log') {
  790.         return nullFunc
  791.       }
  792.       return Reflect.get(...arguments)
  793.     }
  794.   });
  795.  
  796.   let generalLog901 = !DEBUG_LOG ? 0 : (evt) => {
  797.     _console.log(901, evt.type)
  798.   }
  799.   const isPassiveArgSupport = (typeof IntersectionObserver === 'function');
  800.   // https://caniuse.com/?search=observer
  801.   // https://caniuse.com/?search=addEventListener%20passive
  802.  
  803.   const bubblePassive = isPassiveArgSupport ? { capture: false, passive: true } : false;
  804.   const capturePassive = isPassiveArgSupport ? { capture: true, passive: true } : true;
  805.  
  806.  
  807.   /** @type { (str: string) => (HTMLElement | null) } */
  808.   const querySelectorFromAnchor = HTMLElement.prototype.querySelector; // nodeType==1 // since 2022/07/12
  809.  
  810.   /** @type { (str: string) => (NodeList) } */
  811.   const querySelectorAllFromAnchor = HTMLElement.prototype.querySelectorAll; // nodeType==1 // since 2022/07/12
  812.   const closestDOM = HTMLElement.prototype.closest;
  813.   //const elementRemove = HTMLElement.prototype.remove;
  814.   //const elementContains = HTMLElement.prototype.contains; // since 2022/07/12
  815.   const elementAppend = HTMLElement.prototype.appendChild; // necessary for yt custom elements; due to Waterfox classic and https://greasyfork.org/en/scripts/428651-tabview-youtube/discussions/174437
  816.  
  817.   const closestDOMX = function (child, parentSelector) {
  818.     if (!(child instanceof HTMLElement)) return null;
  819.     return closestDOM.call(child, parentSelector) || null;
  820.   }
  821.  
  822.   /**
  823.    * 
  824.    * @param {number} f bit flag
  825.    * @param {number} w bit flag (with)
  826.    * @param {number} wo bit flag (without)
  827.    * @returns 
  828.    */
  829.   const fT = function (f, w, wo) {
  830.     return (f & (w | wo)) === w
  831.   }
  832.  
  833.   /* globals WeakRef:false */
  834.  
  835.   /** @type {(o: Object | null) => WeakRef | null} */
  836.   const mWeakRef = typeof WeakRef === 'function' ? (o => o ? new WeakRef(o) : null) : (o => o || null); // typeof InvalidVar == 'undefined'
  837.  
  838.   /** @type {(wr: Object | null) => Object | null} */
  839.   const kRef = (wr => (wr && wr.deref) ? wr.deref() : wr);
  840.  
  841.  
  842.   function setTimeout3(f) {
  843.     Promise.race([getRAFPromise().then(), new Promise(r => setTimeout(r, 300))]).then(f);
  844.   }
  845.  
  846.   const timeline = {
  847.     // after initialized (initObserver)
  848.     cn1: new Set(),
  849.     cn2: new Set(),
  850.     setTimeout( /** @type {TimerHandler} */ f,/** @type {number} */ d) {
  851.       let cid = setTimeout(f, d);
  852.       timeline.cn1.add(cid);
  853.       return cid;
  854.     },
  855.     clearTimeout(/** @type {number} */ cid) {
  856.       cid = +cid;
  857.       timeline.cn1.remove(cid);
  858.       return clearTimeout(cid);
  859.     },
  860.     setInterval(/** @type {TimerHandler} */ f,/** @type {number} */ d) {
  861.       let cid = setInterval(f, d);
  862.       timeline.cn2.add(cid);
  863.       return cid;
  864.     },
  865.     clearInterval(/** @type {number} */ cid) {
  866.       cid = +cid;
  867.       timeline.cn2.remove(cid);
  868.       return clearInterval(cid);
  869.     },
  870.     reset() {
  871.       timeline.cn1.forEach(clearTimeout);
  872.       timeline.cn2.forEach(clearInterval);
  873.       timeline.cn1.clear();
  874.       timeline.cn2.clear();
  875.     }
  876.   }
  877.  
  878.  
  879.   // function prettyElm(/** @type {Element} */ elm) {
  880.   //   if (!elm || !elm.nodeName) return null;
  881.   //   const eId = elm.id || null;
  882.   //   const eClsName = elm.className || null;
  883.   //   return [elm.nodeName.toLowerCase(), typeof eId == 'string' ? "#" + eId : '', typeof eClsName == 'string' ? '.' + eClsName.replace(/\s+/g, '.') : ''].join('').trim();
  884.   // }
  885.  
  886.   // function extractTextContent(/** @type {Node} */ elm) {
  887.   //   return elm.textContent.replace(/\s+/g, '').replace(/[^\da-zA-Z\u4E00-\u9FFF\u00C0-\u00FF\u00C0-\u02AF\u1E00-\u1EFF\u0590-\u05FF\u0400-\u052F\u0E00-\u0E7F\u0600-\u06FF\u0750-\u077F\u1100-\u11FF\u3130-\u318F\uAC00-\uD7AF\u3040-\u30FF\u31F0-\u31FF]/g, '')
  888.   // }
  889.  
  890.   function addScript(/** @type {string} */ scriptText) {
  891.     const scriptNode = document.createElement('script');
  892.     scriptNode.type = 'text/javascript';
  893.     scriptNode.textContent = scriptText;
  894.     try {
  895.       document.documentElement.appendChild(scriptNode);
  896.     } catch (e) {
  897.       console.log('addScript Error', e)
  898.     }
  899.     return scriptNode;
  900.   }
  901.  
  902.   function addScriptByURL(/** @type {string} */ scriptURL) {
  903.     const scriptNode = document.createElement('script');
  904.     scriptNode.type = 'text/javascript';
  905.     scriptNode.src = scriptURL;
  906.     try {
  907.       document.documentElement.appendChild(scriptNode);
  908.     } catch (e) {
  909.       console.log('addScriptByURL Error', e)
  910.     }
  911.     return scriptNode;
  912.   }
  913.  
  914.   // function addStyle(/** @type {string} */ styleText, /** @type {HTMLElement | Document} */ container) {
  915.   //   const styleNode = document.createElement('style');
  916.   //   //styleNode.type = 'text/css';
  917.   //   styleNode.textContent = styleText;
  918.   //   (container || document.documentElement).appendChild(styleNode);
  919.   //   return styleNode;
  920.   // }
  921.  
  922.  
  923.  
  924.   /*
  925.  
  926.   yt-action yt-add-element-to-app yt-autonav-pause-blur yt-autonav-pause-focus
  927. yt-autonav-pause-guide-closed yt-autonav-pause-guide-opened yt-autonav-pause-player
  928. yt-autonav-pause-player-ended yt-autonav-pause-scroll yt-autoplay-on-changed
  929. yt-close-tou-form yt-consent-bump-display-changed yt-focus-searchbox
  930. yt-get-context-provider yt-guide-close yt-guide-hover yt-guide-toggle
  931. yt-history-load yt-history-pop yt-load-invalidation-continuation
  932. yt-load-next-continuation yt-load-reload-continuation yt-load-tou-form
  933. yt-masthead-height-changed yt-navigate yt-navigate-cache yt-navigate-error
  934. yt-navigate-finish yt-navigate-redirect yt-navigate-set-page-offset
  935. yt-navigate-start yt-next-continuation-data-updated yt-open-hotkey-dialog
  936. yt-open-tou-form-loading-state yt-page-data-fetched yt-page-data-updated
  937. yt-page-data-will-update yt-page-manager-navigate-start yt-page-navigate-start
  938. yt-page-type-changed yt-player-attached yt-player-detached yt-player-released
  939. yt-player-requested yt-player-updated yt-popup-canceled yt-popup-closed
  940. yt-popup-opened yt-preconnect-urls yt-register-action yt-report-form-closed
  941. yt-report-form-opened yt-request-panel-mode-change yt-retrieve-location
  942. yt-service-request-completed yt-service-request-error yt-service-request-sent
  943. yt-set-theater-mode-enabled yt-show-survey yt-subscription-changed
  944. yt-swatch-changed yt-theater-mode-allowed yt-unregister-action yt-update-title
  945. yt-update-unseen-notification-count yt-viewport-scanned yt-visibility-refresh
  946.  
  947. */
  948.  
  949.  
  950.   // _console.log(38489)
  951.  
  952.   class Session {
  953.     constructor(initValue) {
  954.       this.sid = initValue;
  955.     }
  956.     session() {
  957.       let pageSession = this;
  958.       let s = pageSession.sid; // inaccessible from external
  959.       return {
  960.         get isValid() {
  961.           return s === pageSession.sid;
  962.         }
  963.       };
  964.     }
  965.     set(newValue) {
  966.       this.sid = newValue;
  967.     }
  968.     inc() {
  969.       this.sid++;
  970.     }
  971.   }
  972.  
  973.   const PromiseExternal = ((resolve_, reject_) => {
  974.     const h = (resolve, reject) => { resolve_ = resolve; reject_ = reject };
  975.     return class PromiseExternal extends Promise {
  976.       constructor(cb = h) {
  977.         super(cb);
  978.         if (cb === h) {
  979.           /** @type {(value: any) => void} */
  980.           this.resolve = resolve_;
  981.           /** @type {(reason?: any) => void} */
  982.           this.reject = reject_;
  983.         }
  984.       }
  985.     };
  986.   })();
  987.  
  988.   class Deferred {
  989.     constructor() {
  990.       this.reset();
  991.     }
  992.     debounce(f) {
  993.       return this.promise.then().then(f).catch(console.warn); // avoid promise.then.then.then ...
  994.     }
  995.     d() {
  996.       return this.promise.then().catch(console.warn);
  997.     }
  998.     reset() {
  999.       this.resolved = false;
  1000.       this.promise = new PromiseExternal();
  1001.     }
  1002.     resolve() {
  1003.       if (this.resolved !== false) return false;
  1004.       this.resolved = true;
  1005.       this.promise.resolve(...arguments);
  1006.       return true;
  1007.     }
  1008.   }
  1009.  
  1010.   class Mutex {
  1011.  
  1012.     constructor() {
  1013.       this.p = Promise.resolve()
  1014.     }
  1015.  
  1016.     lockWith(f) {
  1017.  
  1018.       this.p = this.p.then(() => {
  1019.         return new Promise(f).catch(console.warn)
  1020.       })
  1021.     }
  1022.  
  1023.   }
  1024.  
  1025.  
  1026.  
  1027.   /* FireMonkey unable to extend MutationObserver correctly */
  1028.   class AttributeMutationObserver extends MutationObserver {
  1029.     constructor(flist) {
  1030.       super((mutations, observer) => {
  1031.         for (const mutation of mutations) {
  1032.           if (mutation.type === 'attributes') {
  1033.             this.checker(mutation.target, mutation.attributeName)
  1034.           }
  1035.         }
  1036.       })
  1037.       this.flist = flist;
  1038.       this.res = {}
  1039.     }
  1040.  
  1041.     takeRecords() {
  1042.       super.takeRecords();
  1043.     }
  1044.     disconnect() {
  1045.       this._target = null;
  1046.       super.disconnect();
  1047.     }
  1048.     observe(/** @type {Node} */ target) {
  1049.       if (this._target) return;
  1050.       //console.log(123124, target)
  1051.       this._target = mWeakRef(target);
  1052.  
  1053.       //console.log(123125, kRef(this._target))
  1054.       const options = {
  1055.         attributes: true,
  1056.         attributeFilter: Object.keys(this.flist),
  1057.         //attributeFilter: [ "status", "username" ],
  1058.         attributeOldValue: true
  1059.       }
  1060.       super.observe(target, options)
  1061.     }
  1062.     checker(/** @type {Node} */ target,/** @type {string} */ attributeName) {
  1063.       let nv = target.getAttribute(attributeName);
  1064.       if (this.res[attributeName] !== nv) {
  1065.         this.res[attributeName] = nv
  1066.         let f = this.flist[attributeName];
  1067.         if (f) f(attributeName, nv);
  1068.  
  1069.       }
  1070.     }
  1071.     check(delay = 0) {
  1072.       setTimeout(() => {
  1073.         let target = kRef(this._target)
  1074.         if (target !== null) {
  1075.           for (const key of Object.keys(this.flist)) {
  1076.             this.checker(target, key)
  1077.           }
  1078.         } else {
  1079.           console.log('target is null') //disconnected??
  1080.         }
  1081.         target = null;
  1082.       }, delay)
  1083.     }
  1084.   }
  1085.  
  1086.   class KDate extends Date {
  1087.  
  1088.     constructor(...args) {
  1089.       super(...args)
  1090.       this.dayBack = false
  1091.     }
  1092.  
  1093.     browserSupported() {
  1094.  
  1095.     }
  1096.  
  1097.  
  1098.     lokStringDateEN() {
  1099.       const d = this
  1100.  
  1101.       let y = d.getFullYear()
  1102.       let m = d.getMonth() + 1
  1103.       let date = d.getDate()
  1104.  
  1105.       let sy = y < 1000 ? (`0000${y}`).slice(-4) : '' + y
  1106.  
  1107.       let sm = m < 10 ? '0' + m : '' + m
  1108.       let sd = date < 10 ? '0' + date : '' + date
  1109.  
  1110.       return `${sy}.${sm}.${sd}`
  1111.  
  1112.     }
  1113.  
  1114.  
  1115.     lokStringDateJP() {
  1116.       const d = this
  1117.  
  1118.       let y = d.getFullYear()
  1119.       let m = d.getMonth() + 1
  1120.       let date = d.getDate()
  1121.  
  1122.       let sy = y < 1000 ? (`0000${y}`).slice(-4) : '' + y
  1123.  
  1124.       let sm = m < 10 ? '0' + m : '' + m
  1125.       let sd = date < 10 ? '0' + date : '' + date
  1126.  
  1127.       return `${sy}/${sm}/${sd}`
  1128.  
  1129.     }
  1130.  
  1131.     lokStringTime() {
  1132.       const d = this
  1133.  
  1134.       let h = d.getHours()
  1135.       let m = d.getMinutes()
  1136.  
  1137.       const k = this.dayBack
  1138.  
  1139.       if (k) h += 24
  1140.  
  1141.       let sh = h < 10 ? '0' + h : '' + h
  1142.       let sm = m < 10 ? '0' + m : '' + m
  1143.  
  1144.  
  1145.       return `${sh}:${sm}`
  1146.  
  1147.     }
  1148.  
  1149.  
  1150.  
  1151.  
  1152.   }
  1153.  
  1154.   console.assert('browserSupported' in (new KDate()),
  1155.     { error: "0x87FF", errorMsg: "Your userscript manager is not supported. FireMonkey is not recommended." }
  1156.   );
  1157.  
  1158.  
  1159.  
  1160.   let pageSession = new Session(0);
  1161.   const tabsDeferred = new Deferred();
  1162.   tabsDeferred.resolve();
  1163.  
  1164.   let layoutStatusMutex = new Mutex();
  1165.  
  1166.   let sliderMutex = new Mutex();
  1167.   const renderDeferred = new Deferred(); //pageRendered
  1168.   let pageRendered = 0;
  1169.   let renderIdentifier = 0;
  1170.  
  1171.   const scriptletDeferred = new Deferred();
  1172.  
  1173.  
  1174.   function scriptInjector(script_id, url_chrome, response_id) {
  1175.  
  1176.     let res = {
  1177.       script_id: script_id,
  1178.       inject: function () {
  1179.  
  1180.         let res = this, script_id = this.script_id;
  1181.  
  1182.         if (!document.querySelector(`script#${script_id}`)) {
  1183.           if (res.runtime_url) {
  1184.             addScriptByURL(res.runtime_url).id = script_id;
  1185.           } else {
  1186.             addScript(`${res.injection_script}`).id = script_id;
  1187.           }
  1188.         }
  1189.  
  1190.       }
  1191.     }
  1192.     res.script_id = script_id;
  1193.  
  1194.     if (isMyScriptInChromeRuntime()) {
  1195.       res.runtime_url = window.chrome.runtime.getURL(url_chrome)
  1196.     } else {
  1197.       res.injection_script = GM_getResourceText(response_id);
  1198.     }
  1199.  
  1200.     return res;
  1201.  
  1202.  
  1203.   }
  1204.  
  1205.   const script_inject_js1 = scriptInjector(
  1206.     'userscript-tabview-injection-1',
  1207.     'js/injection_script_1.js',
  1208.     "injectionJS1");
  1209.  
  1210.  
  1211.   function nonCryptoRandStr(/** @type {number} */ n) {
  1212.     const result = new Array(n);
  1213.     const baseStr = nonCryptoRandStr_base;
  1214.     const bLen = baseStr.length;
  1215.     for (let i = 0; i < n; i++) {
  1216.       let t = null
  1217.       do {
  1218.         t = baseStr.charAt(Math.floor(Math.random() * bLen));
  1219.       } while (i === 0 && 10 - t > 0)
  1220.       result[i] = t;
  1221.     }
  1222.     return result.join('');
  1223.   }
  1224.  
  1225.   const uidMAP = new Map();
  1226.  
  1227.   function uidGEN(s) {
  1228.     let uid = uidMAP.get(s);
  1229.     if (!uid) {
  1230.       const uidStore = ObserverRegister.uidStore;
  1231.       do {
  1232.         uid = nonCryptoRandStr(5);
  1233.       } while (uidStore[uid])
  1234.       uidMAP.set(s, uid);
  1235.     }
  1236.     return uid;
  1237.   }
  1238.  
  1239.   /**
  1240.    * Class definition
  1241.    * @property {string} propName - propriety description
  1242.    * ...
  1243.    */
  1244.   class ObserverRegister {
  1245.  
  1246.     constructor(/** @type {()=>MutationObserver | IntersectionObserver} */ observerCreator) {
  1247.       let uid = null;
  1248.       const uidStore = ObserverRegister.uidStore;
  1249.       do {
  1250.         uid = nonCryptoRandStr(5);
  1251.       } while (uidStore[uid])
  1252.       uidStore[uid] = true;
  1253.  
  1254.       /**
  1255.        * uid is the unique string for each observer
  1256.        * @type {string}
  1257.        * @public
  1258.        */
  1259.       this.uid = uid;
  1260.  
  1261.       /**
  1262.        * observerCreator is a function to create the observer
  1263.        * @type {Function}
  1264.        * @public
  1265.        */
  1266.       this.observerCreator = observerCreator
  1267.  
  1268.       /**
  1269.        * observer is the actual observer object
  1270.        * @type {MutationObserver | IntersectionObserver}
  1271.        * @public
  1272.        */
  1273.       this.observer = null;
  1274.       this.bindCount = 0;
  1275.     }
  1276.     bindElement(/** @type {HTMLElement} */ elm, ...args) {
  1277.       if (elm.hasAttribute(`o3r-${this.uid}`)) return false;
  1278.       elm.setAttribute(`o3r-${this.uid}`, '')
  1279.       this.bindCount++;
  1280.       if (this.observer === null) {
  1281.         this.observer = this.observerCreator();
  1282.       }
  1283.       this.observer.observe(elm, ...args)
  1284.       return true
  1285.     }
  1286.     clear(/** @type {boolean} */ flag) {
  1287.       if (this.observer !== null) {
  1288.         //const uidStore = ObserverRegister.uidStore;
  1289.         if (flag === true) {
  1290.           this.observer.takeRecords();
  1291.           this.observer.disconnect();
  1292.         }
  1293.         this.observer = null;
  1294.         this.bindCount = 0;
  1295.         for (const s of document.querySelectorAll(`[o3r-${this.uid}]`)) s.removeAttribute(`o3r-${this.uid}`)
  1296.         //uidStore[this.uid]=false;
  1297.         //this.uid = null;
  1298.       }
  1299.     }
  1300.   }
  1301.  
  1302.   /**
  1303.  * 'uidStore' is the static store of strings used.
  1304.  * @static
  1305.  */
  1306.   ObserverRegister.uidStore = {}; // backward compatible with FireFox 55.
  1307.  
  1308.  
  1309.   const mtoObservationDetails = new ObserverRegister(() => {
  1310.     return new IntersectionObserver(ito_details, {
  1311.       root: null,
  1312.       rootMargin: "0px"
  1313.     })
  1314.   });
  1315.  
  1316.  
  1317.   const mtoFlexyAttr = new ObserverRegister(() => {
  1318.     return new MutationObserver(mtf_attrFlexy)
  1319.   });
  1320.  
  1321.   const mtoVisibility_EngagementPanel = new ObserverRegister(() => {
  1322.     return new MutationObserver(FP.mtf_attrEngagementPanel)
  1323.   });
  1324.  
  1325.   const mtoVisibility_Playlist = new ObserverRegister(() => {
  1326.     return new AttributeMutationObserver({
  1327.       "hidden": FP.mtf_attrPlaylist
  1328.     })
  1329.   })
  1330.   const sa_playlist = mtoVisibility_Playlist.uid;
  1331.  
  1332.   const mtoVisibility_Comments = new ObserverRegister(() => {
  1333.     return new AttributeMutationObserver({
  1334.       "hidden": FP.mtf_attrComments
  1335.     })
  1336.   })
  1337.   const sa_comments = mtoVisibility_Comments.uid;
  1338.  
  1339.  
  1340.   const mtoVisibility_Chatroom = new ObserverRegister(() => {
  1341.     return new AttributeMutationObserver({
  1342.       "collapsed": FP.mtf_attrChatroom
  1343.     })
  1344.   })
  1345.   // const sa_chatroom = mtoVisibility_Chatroom.uid;
  1346.  
  1347.  
  1348.  
  1349.  
  1350.   function isDOMVisible(/** @type {HTMLElement} */ elem) {
  1351.     // jQuery version : https://github.com/jquery/jquery/blob/a684e6ba836f7c553968d7d026ed7941e1a612d8/src/css/hiddenVisibleSelectors.js
  1352.     return !!(elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length);
  1353.   }
  1354.  
  1355.   function isNonEmptyString(s) {
  1356.     return typeof s == 'string' && s.length > 0;
  1357.   }
  1358.  
  1359.   async function dispatchWindowResize() {
  1360.     // for youtube to detect layout resize for adjusting Player tools
  1361.     return window.dispatchEvent(new Event('resize'));
  1362.   }
  1363.  
  1364.   async function dispatchCommentRowResize() {
  1365.  
  1366.     if (pageType !== "watch") return;
  1367.  
  1368.     const ytdFlexyElm = es.ytdFlexy;
  1369.     if (!ytdFlexyElm) return;
  1370.     if (ytdFlexyElm.getAttribute('tyt-tab') !== '#tab-comments') return;
  1371.  
  1372.     scriptletDeferred.debounce(() => {
  1373.       document.dispatchEvent(new CustomEvent('tabview-resize-comments-rows'));
  1374.     })
  1375.  
  1376.  
  1377.   }
  1378.  
  1379.   function enterPIP(video, errorHandler) {
  1380.     return new Promise(resolve => {
  1381.       if (video && typeof video.requestPictureInPicture === 'function' && typeof document.exitPictureInPicture === 'function') {
  1382.         if (isVideoPlaying(video) && document.pictureInPictureElement === null) {
  1383.           video.requestPictureInPicture().then(res => {
  1384.             resolve(true);
  1385.           }).catch((e) => {
  1386.             if (errorHandler === undefined) console.warn(e);
  1387.             else if (typeof errorHandler == 'function') errorHandler(e);
  1388.             resolve(false);
  1389.           });
  1390.         } else {
  1391.           resolve(false);
  1392.         }
  1393.       } else {
  1394.         resolve(null);
  1395.       }
  1396.     })
  1397.   }
  1398.  
  1399.   function exitPIP() {
  1400.     if (document.pictureInPictureElement !== null && typeof document.exitPictureInPicture === 'function') {
  1401.       document.exitPictureInPicture().then(res => {
  1402.  
  1403.       }).catch(console.warn)
  1404.     }
  1405.   }
  1406.  
  1407.   function setToggleBtnTxt() {
  1408.  
  1409.     if (chatroomDetails) {
  1410.       // _console.log(124234, 'c=== ')
  1411.  
  1412.       let chat = document.querySelector('ytd-live-chat-frame#chat');
  1413.       if (!chat) return;
  1414.       let txt = querySelectorFromAnchor.call(chat, 'span.yt-core-attributed-string[role="text"]');
  1415.       let c = (txt || 0).textContent;
  1416.  
  1417.       if (typeof c === 'string' && c.length > 2) {
  1418.         if (chat.hasAttribute('collapsed')) {
  1419.           // _console.log(124234, 'collapsed show expand ', chatroomDetails.txt_expand)
  1420.           if (c !== chatroomDetails.txt_expand) {
  1421.             txt.textContent = chatroomDetails.txt_expand;
  1422.           }
  1423.         } else {
  1424.           // _console.log(124234, 'not collapsed show collapse ', chatroomDetails.txt_collapse)
  1425.           if (c !== chatroomDetails.txt_collapse) {
  1426.             txt.textContent = chatroomDetails.txt_collapse;
  1427.           }
  1428.         }
  1429.       }
  1430.     }
  1431.   }
  1432.  
  1433.  
  1434.   function handlerTabExpanderClick() {
  1435.  
  1436.     async function b() {
  1437.  
  1438.       let h1 = document.documentElement.clientHeight;
  1439.       let h2 = (document.querySelector('#right-tabs') || 0).clientHeight;
  1440.  
  1441.       await Promise.resolve(0);
  1442.       if (h1 > 300 && h2 > 300) {
  1443.         let ratio = h2 / h1; // positive below 1.0
  1444.  
  1445.         return ratio;
  1446.       }
  1447.       return 0;
  1448.     }
  1449.  
  1450.     async function a() {
  1451.  
  1452.  
  1453.       let secondary = document.querySelector('#secondary.ytd-watch-flexy');
  1454.       if (secondary) {
  1455.  
  1456.  
  1457.         if (!secondary.classList.contains('tabview-hover-slider-enable')) {
  1458.  
  1459.           let secondaryInner = querySelectorFromAnchor.call(secondary, '#secondary-inner.ytd-watch-flexy');
  1460.  
  1461.           if (secondaryInner) {
  1462.  
  1463.             if (!secondary.classList.contains('tabview-hover-slider')) {
  1464.               // without hover
  1465.  
  1466.               //let rect = secondary.getBoundingClientRect();
  1467.               //let rectI = secondaryInner.getBoundingClientRect();
  1468.  
  1469.               secondaryInner.style.setProperty('--tabview-slider-right', `${getSecondaryInnerRight()}px`)
  1470.  
  1471.             }
  1472.  
  1473.             let ratio = await b();
  1474.             if (ratio > 0.0 && ratio <= 1.0) {
  1475.  
  1476.               secondaryInner.style.setProperty('--ytd-watch-flexy-sidebar-width-d', `${Math.round(100 * ratio * 10) / 10}vw`);
  1477.               secondary.classList.add('tabview-hover-slider');
  1478.               secondary.classList.add('tabview-hover-slider-enable');
  1479.  
  1480.               let video = document.querySelector('#player video');
  1481.               enterPIP(video);
  1482.  
  1483.             }
  1484.  
  1485.           }
  1486.  
  1487.  
  1488.         } else {
  1489.  
  1490.  
  1491.           secondary.dispatchEvent(new CustomEvent("tabview-hover-slider-restore"));
  1492.           //console.log(1994)
  1493.  
  1494.         }
  1495.  
  1496.         // no animation event triggered for hover -> enable
  1497.         dispatchCommentRowResize();
  1498.  
  1499.       }
  1500.  
  1501.  
  1502.  
  1503.     }
  1504.  
  1505.  
  1506.     a();
  1507.  
  1508.  
  1509.   }
  1510.  
  1511.   let global_columns_end_ito = null;
  1512.  
  1513.   function setupHoverSlider(secondary, columns) {
  1514.  
  1515.     if (!secondary || !columns) return;
  1516.     let attrName = `o4r-${uidGEN('tabview-hover-slider-restore')}`;
  1517.  
  1518.     if (secondary.hasAttribute(attrName)) return;
  1519.     secondary.setAttribute(attrName, '');
  1520.  
  1521.     let elmB = document.querySelector('tabview-view-secondary-xpander');
  1522.     if (!elmB) {
  1523.       elmB = document.createElement('tabview-view-secondary-xpander');
  1524.       prependTo(elmB, secondary);
  1525.     }
  1526.  
  1527.     let elmA = document.querySelector('tabview-view-columns-endpos');
  1528.     if (elmA) elmA.remove();
  1529.     elmA = document.createElement('tabview-view-columns-endpos');
  1530.  
  1531.     let itoA = new IntersectionObserver((entries) => {
  1532.       let t = null;
  1533.       let w = enableHoverSliderDetection
  1534.       for (const entry of entries) {
  1535.         if (entry.rootBounds === null) continue;
  1536.         let bcr = entry.boundingClientRect;
  1537.         let rb = entry.rootBounds;
  1538.         t = !entry.isIntersecting && (bcr.left > rb.right) && (rb.left <= 0);
  1539.         // if entries.length>1 (unlikely); take the last intersecting
  1540.         // supplement cond 1. ensure the col element is in the right side
  1541.         // supplement cond 2. ensure column is wide enough for overflow checking
  1542.         // it can also avoid if the layout change happened but attribute not yet changed during the intersection observation
  1543.       }
  1544.  
  1545.       let columns = document.querySelector('#columns.style-scope.ytd-watch-flexy');
  1546.       if (columns) columns.classList.toggle('tyt-column-overflow', t);
  1547.  
  1548.       if (w !== t && t !== null) {
  1549.         // t can be true when the layout enters single column mode
  1550.         enableHoverSliderDetection = t;
  1551.       }
  1552.       //console.log(entries, enableHoverSliderDetection, t)
  1553.     })
  1554.     elementAppend.call(columns, elmA); // append to dom first before observe
  1555.     if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  1556.       //to trigger observation at the time layout being changed
  1557.       itoA.observe(elmA);
  1558.     }
  1559.     global_columns_end_ito = itoA;
  1560.  
  1561.  
  1562.     secondary.addEventListener('tabview-hover-slider-restore', function (evt) {
  1563.  
  1564.       let secondary = evt.target;
  1565.  
  1566.       if (!secondary.classList.contains('tabview-hover-slider-enable')) return;
  1567.  
  1568.       let secondaryInner = querySelectorFromAnchor.call(secondary, '#secondary-inner.ytd-watch-flexy')
  1569.  
  1570.       if (!secondaryInner) return;
  1571.  
  1572.       if (secondary.classList.contains('tabview-hover-slider-hover')) {
  1573.  
  1574.         Promise.resolve(0).then(() => {
  1575.           secondaryInner.style.removeProperty('--ytd-watch-flexy-sidebar-width-d');
  1576.         }).then(() => {
  1577.           secondary.classList.remove('tabview-hover-slider-enable')
  1578.           exitPIP();
  1579.         })
  1580.  
  1581.       } else {
  1582.  
  1583.         let secondary = evt.target;
  1584.         secondary.classList.remove('tabview-hover-slider')
  1585.         secondary.classList.remove('tabview-hover-slider-enable')
  1586.  
  1587.         secondaryInner.style.removeProperty('--ytd-watch-flexy-sidebar-width-d');
  1588.         secondaryInner.style.removeProperty('--tabview-slider-right')
  1589.  
  1590.         exitPIP();
  1591.  
  1592.       }
  1593.  
  1594.       setTimeout(() => {
  1595.         updateFloatingSlider()
  1596.       }, 30);
  1597.  
  1598.     }, false);
  1599.  
  1600.   }
  1601.  
  1602.   function addTabExpander(tabContent) {
  1603.  
  1604.     if (!tabContent) return null;
  1605.     let id = tabContent.id;
  1606.     if (!id || typeof id !== 'string') return null;
  1607.  
  1608.     if (querySelectorFromAnchor.call(tabContent, `#${id} > tabview-view-tab-expander`)) return false;
  1609.  
  1610.     let elm = document.createElement('tabview-view-tab-expander')
  1611.     prependTo(elm, tabContent);
  1612.     elm.innerHTML = `<div>${svgElm(16, 16, 12, 12, svgDiag1, 'svg-expand')}${svgElm(16, 16, 12, 12, svgDiag2, 'svg-collapse')}</div>`
  1613.     elm.addEventListener('click', handlerTabExpanderClick, false);
  1614.     return true;
  1615.  
  1616.   }
  1617.  
  1618.   function getColumnOverflowWidth() {
  1619.  
  1620.     let screenWidth = document.documentElement.getBoundingClientRect().width;
  1621.  
  1622.     let posElm1 = document.querySelector('#secondary.style-scope.ytd-watch-flexy + tabview-view-columns-endpos');
  1623.  
  1624.     if (posElm1) {
  1625.  
  1626.       let offset = posElm1.getBoundingClientRect().x - screenWidth;
  1627.       return offset
  1628.  
  1629.     }
  1630.     return null
  1631.   }
  1632.  
  1633.   function getSecondaryInnerRight() {
  1634.  
  1635.     let posElm1 = document.querySelector('#secondary.style-scope.ytd-watch-flexy + tabview-view-columns-endpos');
  1636.  
  1637.     let posElm2 = document.querySelector('#secondary.style-scope.ytd-watch-flexy > tabview-view-secondary-xpander');
  1638.  
  1639.     if (posElm1 && posElm2) {
  1640.  
  1641.       let offset = posElm1.getBoundingClientRect().x - posElm2.getBoundingClientRect().right;
  1642.       return offset
  1643.  
  1644.     }
  1645.     return null
  1646.  
  1647.   }
  1648.  
  1649.   const setFloatingSliderOffset = (secondaryInner) => {
  1650.  
  1651.  
  1652.     let posElm1 = document.querySelector('#secondary.style-scope.ytd-watch-flexy + tabview-view-columns-endpos');
  1653.  
  1654.     let posElm2 = document.querySelector('#secondary.style-scope.ytd-watch-flexy > tabview-view-secondary-xpander');
  1655.  
  1656.     if (posElm1 && posElm2) {
  1657.  
  1658.       let offset = getColumnOverflowWidth();
  1659.  
  1660.       let k = 1.0
  1661.       if (offset >= 125) {
  1662.         k = 1.0
  1663.       } else if (offset >= 75) {
  1664.         k = 1.0;
  1665.       } else if (offset >= 25) {
  1666.         k = 0.25;
  1667.       } else {
  1668.         k = 0.0
  1669.       }
  1670.       secondaryInner.style.setProperty('--tabview-slider-offset-k2', `${k}`);
  1671.       secondaryInner.style.setProperty('--tabview-slider-offset', `${offset}px`) // unnecessary 
  1672.  
  1673.       let oriWidth = posElm2.getBoundingClientRect().width;
  1674.       secondaryInner.style.setProperty('--tabview-slider-ow', `${oriWidth}px`)
  1675.  
  1676.       let s1 = 'var(--ytd-watch-flexy-sidebar-width-d)';
  1677.       // new width 
  1678.  
  1679.       let s2 = `var(--tabview-slider-ow)`;
  1680.       // ori width - youtube changing the code -> not reliable to use css prop.
  1681.  
  1682.       let s3 = `${offset}px`;
  1683.       // how many px wider than the page
  1684.  
  1685.       secondaryInner.style.setProperty('--tabview-slider-offset-actual', `calc(${s1} - ${s2} + ${s3})`)
  1686.  
  1687.     }
  1688.  
  1689.   }
  1690.  
  1691.   async function updateFloatingSlider_A(secondaryInner) {
  1692.  
  1693.     // [is-extra-wide-video_]
  1694.  
  1695.     await new Promise(r => setTimeout(r, 30)); // time allowed for dom changes and value change of enableHoverSliderDetection    
  1696.  
  1697.     let secondary = nodeParent(secondaryInner);
  1698.     if (!secondary) return;
  1699.  
  1700.     if (secondary.classList.contains('tabview-hover-slider-enable')) {
  1701.       return;
  1702.     }
  1703.  
  1704.     if (!secondary.matches('#columns.ytd-watch-flexy #primary.ytd-watch-flexy ~ #secondary.ytd-watch-flexy')) {
  1705.       return;
  1706.     }
  1707.  
  1708.     const bool = enableHoverSliderDetection === true;
  1709.     const hasClassHover = secondary.classList.contains('tabview-hover-slider-hover') === true;
  1710.  
  1711.     if (bool || hasClassHover) {
  1712.     } else {
  1713.       return;
  1714.     }
  1715.  
  1716.     await Promise.resolve(0);
  1717.  
  1718.     secondary.classList.add('tabview-hover-final')
  1719.  
  1720.     if (hasClassHover && !bool) {
  1721.       secondaryInner.style.removeProperty('--tabview-slider-right')
  1722.       secondaryInner.style.removeProperty('--tabview-slider-offset')
  1723.     } else {
  1724.  
  1725.       if (!hasClassHover) {
  1726.         secondaryInner.style.setProperty('--tabview-slider-right', `${getSecondaryInnerRight()}px`)
  1727.       }
  1728.  
  1729.       setFloatingSliderOffset(secondaryInner);
  1730.     }
  1731.  
  1732.     if (bool ^ hasClassHover) {
  1733.       secondary.classList.toggle('tabview-hover-slider', bool)
  1734.       secondary.classList.toggle('tabview-hover-slider-hover', bool)
  1735.     }
  1736.  
  1737.     await Promise.resolve(0);
  1738.  
  1739.  
  1740.     setTimeout(() => {
  1741.       secondary.classList.remove('tabview-hover-final')
  1742.     }, 350)
  1743.  
  1744.  
  1745.   }
  1746.  
  1747.  
  1748.   function updateFloatingSlider() {
  1749.  
  1750.     let secondaryInner = document.querySelector('ytd-watch-flexy[flexy][is-two-columns_] #secondary-inner.ytd-watch-flexy')
  1751.  
  1752.     if (!secondaryInner) return;
  1753.  
  1754.     let secondary = nodeParent(secondaryInner);
  1755.     if (!secondary) return;
  1756.  
  1757.     if (secondary.classList.contains('tabview-hover-slider-enable')) {
  1758.       return;
  1759.     }
  1760.  
  1761.     let t = document.documentElement.clientWidth; //integer
  1762.  
  1763.     sliderMutex.lockWith(unlock => {
  1764.  
  1765.       let v = document.documentElement.clientWidth; //integer
  1766.  
  1767.       if (t === v && secondaryInner.matches('body ytd-watch-flexy[flexy][is-two-columns_] #secondary-inner.ytd-watch-flexy')) {
  1768.  
  1769.         updateFloatingSlider_A(secondaryInner).then(unlock);
  1770.       } else {
  1771.         unlock();
  1772.       }
  1773.  
  1774.     })
  1775.  
  1776.   }
  1777.  
  1778.  
  1779.   function setToActiveTab(defaultTab) {
  1780.     if (isTheater() && isWideScreenWithTwoColumns()) return;
  1781.     const jElm = document.querySelector(`a[tyt-tab-content="${switchTabActivity_lastTab}"]:not(.tab-btn-hidden)`) ||
  1782.       document.querySelector(`a[tyt-tab-content="${(defaultTab || settings.defaultTab)}"]:not(.tab-btn-hidden)`) ||
  1783.       document.querySelector(`a[tyt-tab-content="${(SETTING_DEFAULT_TAB_0)}"]:not(.tab-btn-hidden)`) ||
  1784.       document.querySelector("a[tyt-tab-content]:not(.tab-btn-hidden)") ||
  1785.       null;
  1786.  
  1787.     switchTabActivity(jElm);
  1788.     return !!jElm;
  1789.   }
  1790.  
  1791.   let enableLivePopupCheck = false
  1792.  
  1793.   function layoutStatusChanged(/** @type {number} */ old_layoutStatus, /** @type {number} */ new_layoutStatus) {
  1794.  
  1795.  
  1796.     if ((new_layoutStatus & LAYOUT_TWO_COLUMNS) === 0) makeHeaderFloat();
  1797.  
  1798.     //if (old_layoutStatus === new_layoutStatus) return;
  1799.  
  1800.     const cssElm = es.ytdFlexy;
  1801.  
  1802.     if (!cssElm) return;
  1803.  
  1804.  
  1805.     const BF_TWOCOL_N_THEATER = LAYOUT_TWO_COLUMNS | LAYOUT_THEATER
  1806.  
  1807.     let new_isExpandedChat = !!(new_layoutStatus & LAYOUT_CHATROOM_EXPANDED)
  1808.     let new_isCollapsedChat = !!(new_layoutStatus & LAYOUT_CHATROOM_COLLAPSED) && !!(new_layoutStatus & LAYOUT_CHATROOM)
  1809.  
  1810.     let new_isTabExpanded = !!(new_layoutStatus & LAYOUT_TAB_EXPANDED);
  1811.     let new_isFullScreen = !!(new_layoutStatus & LAYOUT_FULLSCREEN);
  1812.     let new_isExpandedEPanel = !!(new_layoutStatus & LAYOUT_ENGAGEMENT_PANEL_EXPANDED);
  1813.     let new_isExpandedDonationShelf = !!(new_layoutStatus & LAYOUT_DONATION_SHELF_EXPANDED);
  1814.  
  1815.  
  1816.     function showTabOrChat() {
  1817.  
  1818.       layoutStatusMutex.lockWith(unlock => {
  1819.  
  1820.         if (lstTab.lastPanel == '#chatroom') {
  1821.  
  1822.           if (new_isTabExpanded) switchTabActivity(null)
  1823.           if (!new_isExpandedChat) ytBtnExpandChat();
  1824.  
  1825.         } else if (lstTab.lastPanel && lstTab.lastPanel.indexOf('#engagement-panel-') == 0) {
  1826.  
  1827.           if (new_isTabExpanded) switchTabActivity(null)
  1828.           if (!new_isExpandedEPanel) ytBtnOpenEngagementPanel(lstTab.lastPanel);
  1829.  
  1830.         } else if (lstTab.lastPanel == '#donation-shelf') {
  1831.  
  1832.           if (new_isTabExpanded) switchTabActivity(null)
  1833.           if (!new_isExpandedDonationShelf) openDonationShelf();
  1834.  
  1835.         } else {
  1836.  
  1837.           if (new_isExpandedChat) ytBtnCollapseChat()
  1838.           if (!new_isTabExpanded) setToActiveTab();
  1839.  
  1840.         }
  1841.  
  1842.         timeline.setTimeout(unlock, 40);
  1843.  
  1844.       })
  1845.     }
  1846.  
  1847.     function hideTabAndChat() {
  1848.  
  1849.       layoutStatusMutex.lockWith(unlock => {
  1850.  
  1851.         if (new_isTabExpanded) switchTabActivity(null)
  1852.         if (new_isExpandedChat) ytBtnCollapseChat()
  1853.         if (new_isExpandedEPanel) ytBtnCloseEngagementPanels();
  1854.         if (new_isExpandedDonationShelf) closeDonationShelf();
  1855.  
  1856.  
  1857.         timeline.setTimeout(unlock, 40);
  1858.  
  1859.       })
  1860.  
  1861.     }
  1862.  
  1863.     const statusCollapsedFalse = !!(new_layoutStatus & (LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED | LAYOUT_CHATROOM_EXPANDED))
  1864.     const statusCollapsedTrue = !statusCollapsedFalse
  1865.  
  1866.     let changes = (old_layoutStatus & LAYOUT_VAILD) ? old_layoutStatus ^ new_layoutStatus : 0;
  1867.  
  1868.     let chat_collapsed_changed = !!(changes & LAYOUT_CHATROOM_COLLAPSED)
  1869.     let chat_expanded_changed = !!(changes & LAYOUT_CHATROOM_EXPANDED)
  1870.     let tab_expanded_changed = !!(changes & LAYOUT_TAB_EXPANDED)
  1871.     let theater_mode_changed = !!(changes & LAYOUT_THEATER)
  1872.     let column_mode_changed = !!(changes & LAYOUT_TWO_COLUMNS)
  1873.     let fullscreen_mode_changed = !!(changes & LAYOUT_FULLSCREEN)
  1874.     let epanel_expanded_changed = !!(changes & LAYOUT_ENGAGEMENT_PANEL_EXPANDED)
  1875.     let ds_expanded_changed = !!(changes & LAYOUT_DONATION_SHELF_EXPANDED)
  1876.  
  1877.     // _console.log(8221, 1, chat_collapsed_changed, chat_expanded_changed, tab_expanded_changed, theater_mode_changed, column_mode_changed, fullscreen_mode_changed, epanel_expanded_changed)
  1878.  
  1879.  
  1880.     //console.log(169, 1, chat_collapsed_changed, tab_expanded_changed)
  1881.     //console.log(169, 2, new_isExpandedChat, new_isCollapsedChat, new_isTabExpanded)
  1882.  
  1883.     let BF_LayoutCh_Panel = (changes & (LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED))
  1884.     let tab_change = BF_LayoutCh_Panel;
  1885.     let isChatOrTabExpandTriggering = !!((new_layoutStatus) & BF_LayoutCh_Panel);
  1886.     let isChatOrTabCollaspeTriggering = !!((~new_layoutStatus) & BF_LayoutCh_Panel);
  1887.  
  1888.  
  1889.     const moreThanOneShown = (new_isTabExpanded + new_isExpandedChat + new_isExpandedEPanel + new_isExpandedDonationShelf) > 1
  1890.  
  1891.  
  1892.     const base_twoCol_NoTheather_chatExpand_a = LAYOUT_TWO_COLUMNS | LAYOUT_THEATER | LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED
  1893.     const base_twoCol_NoTheather_chatExpand_b = LAYOUT_TWO_COLUMNS | 0 | LAYOUT_CHATROOM | 0
  1894.  
  1895.     // two column; not theater; tab collapse; chat expand; ep expand
  1896.     const IF_01a = base_twoCol_NoTheather_chatExpand_a | LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED;
  1897.     const IF_01b = base_twoCol_NoTheather_chatExpand_b | 0 | LAYOUT_ENGAGEMENT_PANEL_EXPANDED;
  1898.  
  1899.  
  1900.     // two column; not theater; tab collapse; chat expand; ep expand
  1901.     const IF_07a = base_twoCol_NoTheather_chatExpand_a | LAYOUT_TAB_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED;
  1902.     const IF_07b = base_twoCol_NoTheather_chatExpand_b | 0 | LAYOUT_DONATION_SHELF_EXPANDED;
  1903.  
  1904.  
  1905.     // two column; not theater;
  1906.     const IF_02a = BF_TWOCOL_N_THEATER;
  1907.     const IF_02b = LAYOUT_TWO_COLUMNS;
  1908.  
  1909.     // two column; not theater; tab expand; chat expand; 
  1910.     const IF_03a = base_twoCol_NoTheather_chatExpand_a | LAYOUT_TAB_EXPANDED;
  1911.     const IF_03b = base_twoCol_NoTheather_chatExpand_b | LAYOUT_TAB_EXPANDED;
  1912.  
  1913.  
  1914.     // two column; tab expand; chat expand; 
  1915.     const IF_06a = LAYOUT_TWO_COLUMNS | LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED;
  1916.     const IF_06b = LAYOUT_TWO_COLUMNS | LAYOUT_TAB_EXPANDED | LAYOUT_CHATROOM | 0;
  1917.  
  1918.  
  1919.     // two column; theater;
  1920.     const IF_04a = BF_TWOCOL_N_THEATER;
  1921.     const IF_04b = BF_TWOCOL_N_THEATER;
  1922.  
  1923.     // not fullscreen; two column; not theater; not tab expand; not EP expand; not expand chat; not donation shelf
  1924.     const IF_05a = LAYOUT_FULLSCREEN | LAYOUT_TWO_COLUMNS | LAYOUT_THEATER | LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED | LAYOUT_CHATROOM_EXPANDED;
  1925.     const IF_05b = 0 | LAYOUT_TWO_COLUMNS | 0 | 0 | 0 | 0 | 0;
  1926.  
  1927.     let _isChatPopupedF = null
  1928.     let isChatPopupedF = () => {
  1929.       return _isChatPopupedF === null ? (_isChatPopupedF = cssElm.classList.contains('tyt-chat-popup')) : _isChatPopupedF
  1930.     }
  1931.  
  1932.     if (new_isFullScreen) {
  1933.  
  1934.  
  1935.       if (tab_change == LAYOUT_CHATROOM_EXPANDED && (new_layoutStatus & IF_06a) === IF_06b && statusCollapsedFalse && !column_mode_changed) {
  1936.  
  1937.         // two column; tab expand; chat expand; 
  1938.  
  1939.         switchTabActivity(null);
  1940.  
  1941.       }
  1942.  
  1943.       if (!!(tab_change & LAYOUT_CHATROOM_EXPANDED) && new_isExpandedChat) {
  1944.         //tab_change = LAYOUT_CHATROOM_EXPANDED
  1945.         //tab_change = LAYOUT_CHATROOM_EXPANDED|LAYOUT_TAB_EXPANDED
  1946.  
  1947.  
  1948.         timeline.setTimeout(() => {
  1949.           let scrollElement = document.querySelector('ytd-app[scrolling]')
  1950.           if (!scrollElement) return;
  1951.           // single column view; click button; scroll to tab content area 100%
  1952.           let chatFrame = document.querySelector('ytd-live-chat-frame#chat');
  1953.           if (chatFrame && isChatExpand()) {
  1954.             // _console.log(7290, 1)
  1955.             chatFrame.scrollIntoView(true);
  1956.           }
  1957.         }, 60)
  1958.  
  1959.       }
  1960.  
  1961.       if (!!(tab_change & LAYOUT_ENGAGEMENT_PANEL_EXPANDED) && new_isExpandedEPanel) {
  1962.  
  1963.         timeline.setTimeout(() => {
  1964.           let scrollElement = document.querySelector('ytd-app[scrolling]')
  1965.           if (!scrollElement) return;
  1966.           // single column view; click button; scroll to tab content area 100%
  1967.           let epPanel = document.querySelector('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])');
  1968.           if (epPanel) {
  1969.             // _console.log(7290, 2)
  1970.  
  1971.             let pi = 50;
  1972.             let cid = setInterval(() => {
  1973.               if (--pi) epPanel.scrollIntoView(true); else clearInterval(cid)
  1974.             }, 17)
  1975.             //
  1976.           }
  1977.         }, 60)
  1978.  
  1979.       }
  1980.  
  1981.  
  1982.     } else if (fullscreen_mode_changed) {
  1983.  
  1984.       // new_isFullScreen: false
  1985.       // fullscreen_mode_changed: true
  1986.  
  1987.  
  1988.       if (!new_isFullScreen && statusCollapsedTrue && isWideScreenWithTwoColumns() && !isTheater()) {
  1989.  
  1990.         showTabOrChat();
  1991.       } else if (!new_isFullScreen && statusCollapsedFalse && isWideScreenWithTwoColumns() && isTheater()) {
  1992.  
  1993.  
  1994.         if (cisChatPopupedF()) {
  1995.         } else {
  1996.  
  1997.           ytBtnCancelTheater();
  1998.  
  1999.         }
  2000.       }
  2001.  
  2002.     } else if ((new_layoutStatus & IF_01a) === IF_01b && !column_mode_changed && (tab_change == LAYOUT_CHATROOM_EXPANDED || tab_change == LAYOUT_ENGAGEMENT_PANEL_EXPANDED)) {
  2003.  
  2004.       // new_isFullScreen: false
  2005.       // fullscreen_mode_changed: false
  2006.  
  2007.       // two column; not theater; tab collapse; chat expand; ep expand
  2008.  
  2009.       if (epanel_expanded_changed) {
  2010.         layoutStatusMutex.lockWith(unlock => {
  2011.           ytBtnCollapseChat();
  2012.           setTimeout(unlock, 13)
  2013.         })
  2014.       } else if (chat_collapsed_changed) {
  2015.         layoutStatusMutex.lockWith(unlock => {
  2016.           ytBtnCloseEngagementPanels();
  2017.           setTimeout(unlock, 13)
  2018.         })
  2019.  
  2020.       }
  2021.  
  2022.     } else if ((new_layoutStatus & IF_07a) === IF_07b && !column_mode_changed && (tab_change == LAYOUT_CHATROOM_EXPANDED || tab_change == LAYOUT_DONATION_SHELF_EXPANDED)) {
  2023.  
  2024.       // new_isFullScreen: false
  2025.       // fullscreen_mode_changed: false
  2026.  
  2027.       // two column; not theater; tab collapse; chat expand; ds expand
  2028.  
  2029.       if (ds_expanded_changed) {
  2030.         layoutStatusMutex.lockWith(unlock => {
  2031.           ytBtnCollapseChat();
  2032.           setTimeout(unlock, 13)
  2033.         })
  2034.       } else if (chat_collapsed_changed) {
  2035.         layoutStatusMutex.lockWith(unlock => {
  2036.           closeDonationShelf();
  2037.           setTimeout(unlock, 13)
  2038.         })
  2039.  
  2040.       }
  2041.  
  2042.     } else if (!tab_change && column_mode_changed && (new_layoutStatus & IF_02a) === IF_02b && moreThanOneShown) {
  2043.  
  2044.       // new_isFullScreen: false
  2045.       // fullscreen_mode_changed: false
  2046.  
  2047.       // two column; not theater;
  2048.       // moreThanOneShown
  2049.  
  2050.       showTabOrChat();
  2051.  
  2052.     } else if (tab_change == LAYOUT_CHATROOM_EXPANDED && (new_layoutStatus & IF_03a) === IF_03b && statusCollapsedFalse && !column_mode_changed) {
  2053.  
  2054.       // new_isFullScreen: false
  2055.       // fullscreen_mode_changed: false
  2056.  
  2057.       // two column; not theater; tab expand; chat expand; 
  2058.  
  2059.       switchTabActivity(null);
  2060.  
  2061.     } else if (isChatOrTabExpandTriggering && (new_layoutStatus & IF_04a) === IF_04b && statusCollapsedFalse && (changes & BF_TWOCOL_N_THEATER) === 0) {
  2062.  
  2063.       // new_isFullScreen: false
  2064.       // fullscreen_mode_changed: false
  2065.  
  2066.       ytBtnCancelTheater();
  2067.  
  2068.     } else if ((new_layoutStatus & IF_04a) === IF_04b && statusCollapsedFalse) {
  2069.  
  2070.       // new_isFullScreen: false
  2071.       // fullscreen_mode_changed: false
  2072.  
  2073.       if (isChatPopupedF()) {
  2074.  
  2075.       } else {
  2076.  
  2077.         hideTabAndChat();
  2078.       }
  2079.  
  2080.     } else if (isChatOrTabCollaspeTriggering && (new_layoutStatus & IF_02a) === IF_02b && statusCollapsedTrue && !column_mode_changed) {
  2081.  
  2082.       // new_isFullScreen: false
  2083.       // fullscreen_mode_changed: false
  2084.  
  2085.       if (tab_change == LAYOUT_ENGAGEMENT_PANEL_EXPANDED) {
  2086.  
  2087.         lstTab.lastPanel = null;
  2088.  
  2089.         if (new_isFullScreen) {
  2090.  
  2091.         } else {
  2092.           showTabOrChat();
  2093.         }
  2094.       } else if (tab_change == LAYOUT_DONATION_SHELF_EXPANDED) {
  2095.  
  2096.         lstTab.lastPanel = null;
  2097.  
  2098.         if (new_isFullScreen) {
  2099.  
  2100.         } else {
  2101.           showTabOrChat();
  2102.         }
  2103.       } else if (tab_change == LAYOUT_CHATROOM_EXPANDED) {
  2104.  
  2105.         lstTab.lastPanel = null;
  2106.  
  2107.         if (new_isFullScreen) {
  2108.  
  2109.         } else {
  2110.           showTabOrChat();
  2111.         }
  2112.       } else {
  2113.  
  2114.  
  2115.         if (new_isFullScreen) {
  2116.  
  2117.         } else {
  2118.  
  2119.           ytBtnSetTheater();
  2120.  
  2121.         }
  2122.  
  2123.       }
  2124.  
  2125.     } else if (!tab_change && !!(changes & BF_TWOCOL_N_THEATER) && (new_layoutStatus & IF_02a) === IF_02b && statusCollapsedTrue) {
  2126.  
  2127.       // new_isFullScreen: false
  2128.       // fullscreen_mode_changed: false
  2129.  
  2130.       showTabOrChat();
  2131.  
  2132.     } else if ((new_layoutStatus & IF_05a) === IF_05b) {
  2133.       // bug fix for restoring from mini player
  2134.  
  2135.       layoutStatusMutex.lockWith(unlock => {
  2136.         setToActiveTab();
  2137.         timeline.setTimeout(unlock, 40);
  2138.       });
  2139.  
  2140.     }
  2141.  
  2142.     if (theater_mode_changed) {
  2143.       let tdt = Date.now();
  2144.       theater_mode_changed_dt = tdt
  2145.       setTimeout(() => {
  2146.         if (theater_mode_changed_dt !== tdt) return;
  2147.         updateFloatingSlider();
  2148.       }, 130)
  2149.     }
  2150.  
  2151.     let secondary = null;
  2152.     if (secondary = document.querySelector('.tabview-hover-slider-enable')) {
  2153.       secondary.dispatchEvent(new CustomEvent('tabview-hover-slider-restore'))
  2154.       //console.log(1996)
  2155.     }
  2156.  
  2157.  
  2158.     if (fullscreen_mode_changed) {
  2159.       detailsTriggerReset = true;
  2160.       setTimeout(() => {
  2161.         setHiddenStateForDesc();
  2162.       }, 80);
  2163.     }
  2164.  
  2165.     // resize => is-two-columns_
  2166.     if (column_mode_changed) {
  2167.  
  2168.       Promise.resolve(0).then(() => {
  2169.  
  2170.         if (moreThanOneShown && (new_layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  2171.  
  2172.           layoutStatusMutex.lockWith(unlock => {
  2173.             if (new_isTabExpanded && lstTab.lastPanel === null) {
  2174.               if (new_isExpandedChat) ytBtnCollapseChat();
  2175.               if (new_isExpandedEPanel) ytBtnCloseEngagementPanels();
  2176.               if (new_isExpandedDonationShelf) closeDonationShelf();
  2177.             } else if (lstTab.lastPanel) {
  2178.               let lastPanel = lstTab.lastPanel || '';
  2179.               if (typeof lastPanel !== 'string') lastPanel = '';
  2180.               if (new_isExpandedChat && lastPanel !== '#chatroom') ytBtnCollapseChat();
  2181.               if (new_isExpandedEPanel && lastPanel.indexOf('#engagement-panel-') < 0) ytBtnCloseEngagementPanels();
  2182.               if (new_isExpandedDonationShelf && lastPanel !== '#donation-shelf') closeDonationShelf();
  2183.               switchTabActivity(null);
  2184.             }
  2185.             timeline.setTimeout(unlock, 40);
  2186.           });
  2187.         }
  2188.  
  2189.         pageCheck();
  2190.         if (global_columns_end_ito !== null) {
  2191.           //to trigger observation at the time layout being changed
  2192.           if ((new_layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  2193.             let endpos = document.querySelector('tabview-view-columns-endpos')
  2194.             if (endpos !== null) {
  2195.               global_columns_end_ito.observe(endpos)
  2196.             }
  2197.           } else {
  2198.             global_columns_end_ito.disconnect();
  2199.           }
  2200.         }
  2201.         setTimeout3(() => {
  2202.           singleColumnScrolling(true); //initalize sticky
  2203.         });
  2204.       })
  2205.     }
  2206.  
  2207.     if (enableLivePopupCheck === true) {
  2208.  
  2209.       const new_isTwoColumnsTheater = fT(new_layoutStatus, LAYOUT_TWO_COLUMNS | LAYOUT_THEATER, 0)
  2210.  
  2211.       let currentIsTheaterPopupChat = new_isTwoColumnsTheater && new_isExpandedChat && isChatPopupedF()
  2212.       if (!currentIsTheaterPopupChat) {
  2213.         enableLivePopupCheck = false
  2214.         document.dispatchEvent(new CustomEvent("tyt-close-popup"))
  2215.       }
  2216.  
  2217.     }
  2218.  
  2219.  
  2220.   }
  2221.  
  2222.   function fixLayoutStatus(x) {
  2223.     const new_isExpandedChat = !(x & LAYOUT_CHATROOM_COLLAPSED) && (x & LAYOUT_CHATROOM)
  2224.     return new_isExpandedChat ? (x | LAYOUT_CHATROOM_EXPANDED) : (x & ~LAYOUT_CHATROOM_EXPANDED);
  2225.   }
  2226.  
  2227.   const wls = new Proxy({
  2228.     /** @type {number | null} */
  2229.     layoutStatus: undefined
  2230.   }, {
  2231.     get: function (target, prop) {
  2232.       return target[prop];
  2233.     },
  2234.     set: function (target, prop, value) {
  2235.       if (prop == 'layoutStatus') {
  2236.  
  2237.         if (value === 0) {
  2238.           target[prop] = value;
  2239.           return true;
  2240.         } else if (target[prop] === value) {
  2241.           return true;
  2242.         } else {
  2243.           if (!target.layoutStatus_pending) {
  2244.             target.layoutStatus_pending = true;
  2245.             const old_layoutStatus = target[prop];
  2246.             target[prop] = value;
  2247.             layoutStatusMutex.lockWith(unlock => {
  2248.               target.layoutStatus_pending = false;
  2249.               let new_layoutStatus = target[prop];
  2250.               if (old_layoutStatus !== new_layoutStatus) {
  2251.                 layoutStatusChanged(old_layoutStatus, new_layoutStatus);
  2252.                 timeline.setTimeout(unlock, 40)
  2253.               } else {
  2254.                 unlock();
  2255.               }
  2256.             })
  2257.             return true;
  2258.           }
  2259.         }
  2260.       }
  2261.       target[prop] = value;
  2262.       return true;
  2263.     },
  2264.     has: function (target, prop) {
  2265.       return (prop in target);
  2266.     }
  2267.   });
  2268.  
  2269.   const svgElm = (w, h, vw, vh, p, m) => `<svg${m ? ` class=${m}` : ''} width="${w}" height="${h}" viewBox="0 0 ${vw} ${vh}" preserveAspectRatio="xMidYMid meet">${p}</svg>`
  2270.  
  2271.   function isVideoPlaying(video) {
  2272.     return video.currentTime > 0 && !video.paused && !video.ended && video.readyState > video.HAVE_CURRENT_DATA;
  2273.   }
  2274.  
  2275.   function wAttr(elm, attr, kv) {
  2276.     if (elm) {
  2277.       if (kv === true) {
  2278.         elm.setAttribute(attr, '');
  2279.       } else if (kv === false) {
  2280.         elm.removeAttribute(attr);
  2281.       } else if (kv === null) {
  2282.         //;
  2283.       } else if (typeof kv == 'string') {
  2284.         elm.setAttribute(attr, kv);
  2285.       }
  2286.     }
  2287.   }
  2288.  
  2289.   function setTabBtnVisible(tabBtn, toVisible) {
  2290.     let doClassListChange = false;
  2291.     if (tabBtn.getAttribute('tyt-tab-content') === '#tab-comments') {
  2292.       isCommentsTabBtnHidden = !toVisible;
  2293.       if ((hiddenTabsByUserCSS & 2) !== 2) {
  2294.         doClassListChange = true;
  2295.       }
  2296.     } else {
  2297.       doClassListChange = true;
  2298.     }
  2299.     if (doClassListChange) {
  2300.       if (toVisible) {
  2301.         tabBtn.classList.remove("tab-btn-hidden");
  2302.       } else {
  2303.         tabBtn.classList.add("tab-btn-hidden");
  2304.       }
  2305.     }
  2306.   }
  2307.  
  2308.   function hideTabBtn(tabBtn) {
  2309.     //console.log('hideTabBtn', tabBtn)
  2310.     let isActiveBefore = tabBtn.classList.contains('active');
  2311.     setTabBtnVisible(tabBtn, false);
  2312.     if (isActiveBefore) {
  2313.       setToActiveTab();
  2314.     }
  2315.   }
  2316.  
  2317.   // function hasAttribute(obj, key) {
  2318.   //   return obj && obj.hasAttribute(key);
  2319.   // }
  2320.  
  2321.   function isTheater() {
  2322.     const cssElm = es.ytdFlexy;
  2323.     return (cssElm && cssElm.hasAttribute('theater'))
  2324.   }
  2325.  
  2326.   function isFullScreen() {
  2327.     const cssElm = es.ytdFlexy;
  2328.     return (cssElm && cssElm.hasAttribute('fullscreen'))
  2329.   }
  2330.  
  2331.   function isChatExpand() {
  2332.     const cssElm = es.ytdFlexy;
  2333.     return cssElm && (cssElm.getAttribute('tyt-chat') || '').charAt(0) === '+'
  2334.   }
  2335.  
  2336.   function isWideScreenWithTwoColumns() {
  2337.     const cssElm = es.ytdFlexy;
  2338.     return (cssElm && cssElm.hasAttribute('is-two-columns_'))
  2339.   }
  2340.  
  2341.  
  2342.   function isAnyActiveTab() {
  2343.     return document.querySelector('#right-tabs .tab-btn.active') !== null
  2344.   }
  2345.   // function isAnyActiveTab2() {
  2346.   //   return document.querySelectorAll('#right-tabs .tab-btn.active').length > 0
  2347.   // }
  2348.  
  2349.   function isEngagementPanelExpanded() { //note: not checking the visual elements
  2350.     const cssElm = es.ytdFlexy;
  2351.     return (cssElm && +cssElm.getAttribute('tyt-ep-visible') > 0)
  2352.   }
  2353.  
  2354.   function isDonationShelfExpanded() {
  2355.     const cssElm = es.ytdFlexy;
  2356.     return (cssElm && cssElm.hasAttribute('tyt-donation-shelf'))
  2357.   }
  2358.  
  2359.   const engagementIdMap = new Map();
  2360.   let engagementIdNext = 1; // max 1 << 62
  2361.  
  2362.   function engagement_panels_() {
  2363.  
  2364.     let res = [];
  2365.     // let shownRes = [];
  2366.  
  2367.     let v = 0;
  2368.     // let k = 1;
  2369.     // let count = 0;
  2370.  
  2371.     for (const ePanel of document.querySelectorAll(
  2372.       `ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility]:not([hidden])`
  2373.     )) {
  2374.       let targetId = ePanel.getAttribute('target-id')
  2375.       if (typeof targetId !== 'string') continue;
  2376.       let eId = engagementIdMap.get(targetId)
  2377.       if (!eId) {
  2378.         engagementIdMap.set(targetId, eId = engagementIdNext)
  2379.         if (engagementIdNext === (1 << 62)) {
  2380.           engagementIdNext = 1;
  2381.           console.warn('engagementId reached 1 << 62')
  2382.         } else {
  2383.           engagementIdNext = engagementIdNext << 1;
  2384.         }
  2385.       }
  2386.       // console.log(55,eId, targetId)
  2387.  
  2388.       let visibility = ePanel.getAttribute('visibility') //ENGAGEMENT_PANEL_VISIBILITY_EXPANDED //ENGAGEMENT_PANEL_VISIBILITY_HIDDEN
  2389.  
  2390.       let k = eId
  2391.       switch (visibility) {
  2392.         case 'ENGAGEMENT_PANEL_VISIBILITY_EXPANDED':
  2393.           v |= k;
  2394.           // count++;
  2395.           // shownRes.push(ePanel)
  2396.           res.push({ ePanel, k, visible: true });
  2397.           break;
  2398.         case 'ENGAGEMENT_PANEL_VISIBILITY_HIDDEN':
  2399.           res.push({ ePanel, k, visible: false });
  2400.           break;
  2401.         default:
  2402.           res.push({ ePanel, k, visible: false });
  2403.       }
  2404.  
  2405.       //k = k << 1;
  2406.  
  2407.     }
  2408.     return { list: res, value: v };
  2409.     // return { list: res, value: v, count: count, shownRes };
  2410.   }
  2411.  
  2412.  
  2413.   function ytBtnOpenEngagementPanel(/** @type {number | string} */ panel_id) {
  2414.  
  2415.     // console.log(panel_id)
  2416.     if (typeof panel_id == 'string') {
  2417.       panel_id = panel_id.replace('#engagement-panel-', '');
  2418.       panel_id = parseInt(panel_id);
  2419.     }
  2420.     if (panel_id >= 0) { } else return false;
  2421.  
  2422.     let panels = engagement_panels_();
  2423.     // console.log(panels)
  2424.  
  2425.     let actions = []
  2426.     for (const { ePanel, k, visible } of panels.list) {
  2427.       if ((panel_id & k) === k) {
  2428.         if (!visible) {
  2429.           actions.push({
  2430.             panelId: ePanel.getAttribute('target-id'),
  2431.             toShow: true
  2432.           })
  2433.         }
  2434.       } else {
  2435.         if (visible) {
  2436.           actions.push({
  2437.             panelId: ePanel.getAttribute('target-id'),
  2438.             toHide: true
  2439.           })
  2440.         }
  2441.       }
  2442.     }
  2443.  
  2444.     if (actions.length > 0) {
  2445.       // console.log(4545,actions)
  2446.       scriptletDeferred.debounce(() => {
  2447.         document.dispatchEvent(new CustomEvent('tyt-engagement-panel-visibility-change', {
  2448.           detail: actions
  2449.         }))
  2450.         actions = null
  2451.       })
  2452.     }
  2453.  
  2454.   }
  2455.  
  2456.   function ytBtnCloseEngagementPanel(/** @type {HTMLElement} */ s) {
  2457.     //ePanel.setAttribute('visibility',"ENGAGEMENT_PANEL_VISIBILITY_HIDDEN");
  2458.  
  2459.     let panelId = s.getAttribute('target-id')
  2460.     scriptletDeferred.debounce(() => {
  2461.       document.dispatchEvent(new CustomEvent('tyt-engagement-panel-visibility-change', {
  2462.         detail: {
  2463.           panelId,
  2464.           toHide: true
  2465.         }
  2466.       }))
  2467.     })
  2468.  
  2469.   }
  2470.  
  2471.   function ytBtnCloseEngagementPanels() {
  2472.     if (isEngagementPanelExpanded()) {
  2473.       for (const s of document.querySelectorAll(
  2474.         `ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility]:not([hidden])`
  2475.       )) {
  2476.         if (s.getAttribute('visibility') == "ENGAGEMENT_PANEL_VISIBILITY_EXPANDED") ytBtnCloseEngagementPanel(s);
  2477.       }
  2478.     }
  2479.   }
  2480.  
  2481.   function openDonationShelf() {
  2482.     if (!isDonationShelfExpanded()) {
  2483.       let btn = document.querySelector('#tyt-donation-shelf-toggle-btn')
  2484.       if (btn) {
  2485.         btn.click();
  2486.         return true;
  2487.       }
  2488.     }
  2489.     return false;
  2490.   }
  2491.   function closeDonationShelf() {
  2492.     if (isDonationShelfExpanded()) {
  2493.       let btn = document.querySelector('#tyt-donation-shelf-toggle-btn')
  2494.       if (btn) {
  2495.         btn.click();
  2496.         return true;
  2497.       }
  2498.     }
  2499.     return false;
  2500.   }
  2501.  
  2502.   function ytBtnSetTheater() {
  2503.     if (!isTheater()) {
  2504.       const sizeBtn = document.querySelector('ytd-watch-flexy #ytd-player button.ytp-size-button')
  2505.       if (sizeBtn) sizeBtn.click();
  2506.     }
  2507.   }
  2508.  
  2509.   function ytBtnCancelTheater() {
  2510.     if (isTheater()) {
  2511.       const sizeBtn = document.querySelector('ytd-watch-flexy #ytd-player button.ytp-size-button')
  2512.       if (sizeBtn) sizeBtn.click();
  2513.     }
  2514.   }
  2515.  
  2516.   function ytBtnExpandChat() {
  2517.     let button = document.querySelector('ytd-live-chat-frame#chat[collapsed] > .ytd-live-chat-frame#show-hide-button')
  2518.     if (button) {
  2519.       button =
  2520.         querySelectorFromAnchor.call(button, 'div.yt-spec-touch-feedback-shape') ||
  2521.         querySelectorFromAnchor.call(button, 'ytd-toggle-button-renderer');
  2522.       if (button) button.click();
  2523.     }
  2524.   }
  2525.  
  2526.   function ytBtnCollapseChat() {
  2527.     let button = document.querySelector('ytd-live-chat-frame#chat:not([collapsed]) > .ytd-live-chat-frame#show-hide-button')
  2528.     if (button) {
  2529.       button =
  2530.         querySelectorFromAnchor.call(button, 'div.yt-spec-touch-feedback-shape') ||
  2531.         querySelectorFromAnchor.call(button, 'ytd-toggle-button-renderer');
  2532.       if (button) button.click();
  2533.     }
  2534.   }
  2535.  
  2536.  
  2537.   async function makeVideosAutoLoad2() {
  2538.     let sVideosList = document.querySelector('ytd-watch-flexy #tab-videos [placeholder-videos]');
  2539.  
  2540.     if (!sVideosList) return null;
  2541.  
  2542.     //let ab = sVideosList.getAttribute('tabview-videos-autoload')
  2543.     await Promise.resolve(0);
  2544.  
  2545.     let endPosDOM = document.querySelector('tabview-view-videos-endpos')
  2546.     if (endPosDOM) endPosDOM.remove(); // just in case
  2547.     endPosDOM = document.createElement('tabview-view-videos-endpos')
  2548.     insertAfterTo(endPosDOM, sVideosList);
  2549.  
  2550.     await Promise.resolve(0);
  2551.  
  2552.  
  2553.     //sVideosList.setAttribute('tabview-videos-autoload', '1')
  2554.  
  2555.     // _console.log(9333)
  2556.     if (!sVideosITO) {
  2557.  
  2558.       sVideosITO = new IntersectionObserver((entries) => {
  2559.  
  2560.         if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) return;
  2561.  
  2562.         // _console.log(9334, entries)
  2563.         if (entries.length !== 1) return;
  2564.         if (entries[0].isIntersecting !== true) return;
  2565.         let elm = ((entries[0] || 0).target || 0);
  2566.         if (!elm) return;
  2567.         elm = null;
  2568.         entries = null;
  2569.  
  2570.         new Promise(resolve => {
  2571.  
  2572.           // compatibile with Search While Watching Video
  2573.           let isSearchGeneratedWithHiddenContinuation = !!document.querySelector('#related.style-scope.ytd-watch-flexy ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy ytd-compact-video-renderer.yt-search-generated.style-scope.ytd-item-section-renderer ~ ytd-continuation-item-renderer.style-scope.ytd-item-section-renderer[hidden]');
  2574.           if (isSearchGeneratedWithHiddenContinuation) return;
  2575.  
  2576.           // native YouTube coding use different way to handle custom videos, unknown condition for the continutation loading.
  2577.           let isOtherChipSelected = !!document.querySelector('ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy yt-chip-cloud-renderer.style-scope.yt-related-chip-cloud-renderer yt-chip-cloud-chip-renderer.style-scope.yt-chip-cloud-renderer[aria-selected="false"] ~ [aria-selected="true"]')
  2578.           if (isOtherChipSelected) return;
  2579.  
  2580.           setTimeout(resolve, 30); // delay required to allow YouTube generate the continuation elements
  2581.  
  2582.  
  2583.         }).then(() => {
  2584.  
  2585.           let res = setVideosTwoColumns(2 | 4, true)
  2586.  
  2587.           // _console.log(9335, res)
  2588.  
  2589.           if (res.m2 && res.m3) {
  2590.             let m4 = closestDOM.call(res.m2, 'ytd-continuation-item-renderer');
  2591.             let m5, m6;
  2592.  
  2593.             // _console.log(9336, m4)
  2594.             if (m4) {
  2595.               m5 = querySelectorFromAnchor.call(m4, 'ytd-button-renderer.style-scope.ytd-continuation-item-renderer, yt-button-renderer.style-scope.ytd-continuation-item-renderer');
  2596.  
  2597.               // YouTube coding bug - correct is 'ytd-button-renderer'. If the page is redirected under single column mode, the tag become 'yt-button-renderer'
  2598.               // under 'yt-button-renderer', the 
  2599.  
  2600.               if (m5)
  2601.                 m6 = querySelectorFromAnchor.call(m5, 'button.yt-spec-button-shape-next--call-to-action'); // main
  2602.  
  2603.               // _console.log(9337, m4, m5, m6)
  2604.  
  2605.               if (m6) {
  2606.                 m6.click() // generic solution
  2607.               } else if (m5) {
  2608.                 m5.click(); // not sure
  2609.               } else {
  2610.                 m4.dispatchEvent(new Event('yt-service-request-sent-button-renderer')); // only for correct YouTube coding
  2611.               }
  2612.             }
  2613.             m4 = null;
  2614.             m5 = null;
  2615.             m6 = null;
  2616.           }
  2617.           res = null;
  2618.  
  2619.         });
  2620.  
  2621.       }, {
  2622.         rootMargin: `0px`, // refer to css margin-top:-30vh
  2623.         threshold: [0]
  2624.       })
  2625.       sVideosITO.observe(endPosDOM);
  2626.     } else {
  2627.       sVideosITO.disconnect();
  2628.       sVideosITO.observe(endPosDOM);
  2629.     }
  2630.  
  2631.  
  2632.   }
  2633.  
  2634.  
  2635.   function fixTabs() {
  2636.  
  2637.     if (!scriptEnable) return;
  2638.  
  2639.     let queryElement = document.querySelector('*:not(#tab-videos) > #related.ytd-watch-flexy > ytd-watch-next-secondary-results-renderer');
  2640.  
  2641.     let isRelocated = !!queryElement;
  2642.  
  2643.     if (isRelocated) {
  2644.  
  2645.       // _console.log(3202, 2)
  2646.  
  2647.       let relatedElm = closestDOM.call(queryElement, '#related.ytd-watch-flexy'); // NOT NULL
  2648.  
  2649.       let right_tabs = document.querySelector('#right-tabs'); // can be NULL
  2650.  
  2651.       let tab_videos = right_tabs ? querySelectorFromAnchor.call(right_tabs, "#tab-videos") : null; // can be NULL
  2652.  
  2653.       if (tab_videos !== null) {
  2654.  
  2655.         // _console.log(3202, 4)
  2656.  
  2657.         let target_container = document.querySelector('ytd-watch-flexy:not([is-two-columns_]) #primary-inner.ytd-watch-flexy, ytd-watch-flexy[is-two-columns_] #secondary-inner.ytd-watch-flexy')
  2658.         if (target_container) elementAppend.call(target_container, right_tabs) // last-child
  2659.  
  2660.         elementAppend.call(tab_videos, relatedElm);
  2661.         // no any other element set these attr. only init / relocation
  2662.         relatedElm.setAttribute('placeholder-for-youtube-play-next-queue', '')
  2663.         relatedElm.setAttribute('placeholder-videos', '')
  2664.  
  2665.         makeVideosAutoLoad2();
  2666.  
  2667.       }
  2668.  
  2669.     }
  2670.  
  2671.     /** @type {HTMLElement | null} */
  2672.  
  2673.     let chatroom = null;
  2674.     if (chatroom = document.querySelector('ytd-live-chat-frame#chat')) {
  2675.  
  2676.       const container = chatroom.parentNode.id === 'chat-container' ? chatroom.parentNode : chatroom;
  2677.  
  2678.       let pHolderElm = document.querySelector('tabview-view-pholder[data-positioner="before|#chat"]');
  2679.  
  2680.       if (!pHolderElm || pHolderElm.nextElementSibling !== container) {
  2681.  
  2682.         if (pHolderElm) pHolderElm.remove();
  2683.  
  2684.         if (document.querySelector('.YouTubeLiveFilledUpView')) {
  2685.           // no relocation
  2686.         } else {
  2687.  
  2688.           let rightTabs = document.querySelector('#right-tabs');
  2689.           if (rightTabs) {
  2690.             insertBeforeTo(container, rightTabs);
  2691.           }
  2692.  
  2693.         }
  2694.  
  2695.         if (!pHolderElm) {
  2696.           pHolderElm = document.createElement('tabview-view-pholder');
  2697.           pHolderElm.setAttribute('data-positioner', 'before|#chat');
  2698.         }
  2699.  
  2700.         insertBeforeTo(pHolderElm, container)
  2701.       }
  2702.  
  2703.     }
  2704.  
  2705.   }
  2706.  
  2707.  
  2708.   async function isDocumentInFullScreenMode() {
  2709.     return document.fullscreenElement !== null;
  2710.   }
  2711.   async function energizedByVideoTimeUpdate() {
  2712.  
  2713.     const isFullscreen = await isDocumentInFullScreenMode();
  2714.     if (isFullscreen) return;
  2715.  
  2716.     // force browser to load the videostream during playing (primarily for music videos)
  2717.     // both background and foreground
  2718.  
  2719.     _updateTimeAccum++;
  2720.  
  2721.     if ((_updateTimeAccum + _viTimeNum) % 11 === 0) {
  2722.       // console.log(document.querySelector('video').currentTime) // 2.55, 2.64, 3.12, ...
  2723.       // about 2.66s
  2724.  
  2725.       if (_viTimeNum > 211) {
  2726.         // around 30.9s ~ 31.9s
  2727.         _viTimeNum = 200;
  2728.         _updateTimeAccum = (_updateTimeAccum % 8) + 1; // reset to 1 ~ 8
  2729.         postMessage({ tabviewEnergized: true }, 'https://www.youtube.com'); // post message to make alive
  2730.       }
  2731.  
  2732.       document.head.dataset.viTime = `${_viTimeNum + 1}`;
  2733.       await Promise.resolve(0)
  2734.       _viTimeNum = +document.head.dataset.viTime || 0;
  2735.     }
  2736.  
  2737.  
  2738.   }
  2739.  
  2740.   function autoCompletePosCreate() {
  2741.  
  2742.     let positioner = document.createElement("tabview-view-autocomplete-pos");
  2743.     let oldPositioner = document.querySelector("tabview-view-autocomplete-pos");
  2744.     if (oldPositioner) oldPositioner.remove();
  2745.     return positioner
  2746.   }
  2747.  
  2748.   function handlerAutoCompleteExist() {
  2749.     // Youtube - Search While Watching Video
  2750.  
  2751.     /** @type {HTMLElement} */
  2752.     let searchBox, autoComplete;
  2753.     searchBox = this;
  2754.     this.removeEventListener('autocomplete-sc-exist', handlerAutoCompleteExist, false)
  2755.     let domId = this.getAttribute('data-autocomplete-results-id')
  2756.  
  2757.     autoComplete = document.querySelector(`[data-autocomplete-input-id="${domId}"]`)
  2758.  
  2759.     if (!domId || !searchBox) return;
  2760.  
  2761.     let positioner = nodeNextSibling(searchBox);
  2762.     if (positioner) {
  2763.       if (positioner.nodeName.toLowerCase() !== "tabview-view-autocomplete-pos") {
  2764.         positioner = autoCompletePosCreate();
  2765.         insertAfterTo(positioner, searchBox);
  2766.       }
  2767.     } else {
  2768.       positioner = autoCompletePosCreate();
  2769.       prependTo(positioner, nodeParent(searchBox));
  2770.     }
  2771.     prependTo(autoComplete, positioner);
  2772.  
  2773.     setupSearchBox(searchBox, positioner);
  2774.  
  2775.  
  2776.   }
  2777.  
  2778.   async function setupSearchBox(searchBox, positioner) {
  2779.  
  2780.     let mb = getComputedStyle(searchBox).marginBottom
  2781.     let h = searchBox.offsetHeight + 'px'
  2782.  
  2783.     positioner.style.setProperty('--tyt-swwv-searchbox-mb', mb)
  2784.     positioner.style.setProperty('--tyt-swwv-searchbox-h', h)
  2785.  
  2786.     mtf_autocomplete_search()
  2787.  
  2788.   }
  2789.  
  2790.   function mtf_autocomplete_search() {
  2791.     // Youtube - Search While Watching Video
  2792.  
  2793.     /** @type {HTMLElement | null} */
  2794.     const ytdFlexyElm = es.ytdFlexy;
  2795.     if (!scriptEnable || !ytdFlexyElm) return;
  2796.  
  2797.     const autocomplete = querySelectorFromAnchor.call(ytdFlexyElm, '[placeholder-for-youtube-play-next-queue] input#suggestions-search + tabview-view-autocomplete-pos > .autocomplete-suggestions[data-autocomplete-input-id]:not([position-fixed-by-tabview-youtube])')
  2798.  
  2799.     if (autocomplete) {
  2800.  
  2801.       const searchBox = document.querySelector('[placeholder-for-youtube-play-next-queue] input#suggestions-search')
  2802.  
  2803.  
  2804.       if (searchBox) {
  2805.  
  2806.         const rAutoComplete = mWeakRef(autocomplete);
  2807.  
  2808.         function setVisible(autocomplete, b) {
  2809.           autocomplete.style.display = (b ? 'block' : 'none');
  2810.         }
  2811.  
  2812.         function isContentNotEmpty(searchbox, autocomplete) {
  2813.           return (searchbox.value || '').length > 0 && (autocomplete.textContent || '').length > 0;
  2814.         }
  2815.  
  2816.         nodeParent(autocomplete).setAttribute('position-fixed-by-tabview-youtube', '');
  2817.         autocomplete.setAttribute('position-fixed-by-tabview-youtube', '');
  2818.         autocomplete.setAttribute('userscript-scrollbar-render', '')
  2819.  
  2820.         //let cancelClickToggle = false;
  2821.  
  2822.         if (!searchBox.hasAttribute('is-set-click-to-toggle')) {
  2823.           searchBox.setAttribute('is-set-click-to-toggle', '')
  2824.  
  2825.           searchBox.addEventListener('click', function () {
  2826.  
  2827.             Promise.resolve(0).then(() => {
  2828.  
  2829.               const autocomplete = kRef(rAutoComplete);
  2830.  
  2831.               if (!autocomplete) return;
  2832.  
  2833.               const isNotEmpty = isContentNotEmpty(this, autocomplete);
  2834.  
  2835.               if (isNotEmpty) {
  2836.  
  2837.                 let elmVisible = isDOMVisible(autocomplete);
  2838.  
  2839.                 if (elmVisible) {
  2840.                   setVisible(autocomplete, false)
  2841.                 }
  2842.                 else {
  2843.                   setVisible(autocomplete, true)
  2844.                 }
  2845.  
  2846.               }
  2847.  
  2848.             })
  2849.  
  2850.           }, bubblePassive)
  2851.  
  2852.           let cacheScrollIntoView = null;
  2853.           let rafXC = 0;
  2854.           searchBox.addEventListener('keydown', function (evt) {
  2855.             //cancelClickToggle = true;
  2856.             switch (evt.code) {
  2857.               case 'ArrowUp':
  2858.               case 'ArrowDown':
  2859.  
  2860.                 let t = Date.now();
  2861.                 if (rafXC === 0) {
  2862.                   getRAFPromise().then(() => {
  2863.                     rafXC = 0;
  2864.                     let d = Date.now();
  2865.                     if (d - t > 300) return;
  2866.  
  2867.                     const autocomplete = kRef(rAutoComplete);
  2868.  
  2869.                     let selected = querySelectorFromAnchor.call(autocomplete, '.autocomplete-suggestion.selected');
  2870.                     let bool = selected && selected !== cacheScrollIntoView;
  2871.                     cacheScrollIntoView = selected;
  2872.                     if (bool) {
  2873.  
  2874.                       try {
  2875.                         selected.scrollIntoView({ block: "nearest", inline: "nearest" });
  2876.                       } catch (e) { }
  2877.  
  2878.                     }
  2879.  
  2880.                   });
  2881.                   rafXC = 1;
  2882.                 }
  2883.               default:
  2884.               //
  2885.             }
  2886.  
  2887.  
  2888.           }, bubblePassive)
  2889.  
  2890.           searchBox.addEventListener('tyt-autocomplete-suggestions-change', function (evt) {
  2891.  
  2892.             //cancelClickToggle = true;
  2893.             if (evt.target !== document.activeElement) return;
  2894.             setTimeout(() => {
  2895.               const autocomplete = document.querySelector(`.autocomplete-suggestions[data-autocomplete-input-id="${this.getAttribute('data-autocomplete-results-id')}"]`);
  2896.               if (!autocomplete) return;
  2897.               const isNotEmpty = isContentNotEmpty(this, autocomplete);
  2898.               if (isNotEmpty) {
  2899.                 // dont detect visibility; just set to visible
  2900.                 setVisible(autocomplete, true);
  2901.               }
  2902.             }, 20);
  2903.  
  2904.           }, bubblePassive)
  2905.  
  2906.         }
  2907.  
  2908.       }
  2909.  
  2910.     }
  2911.  
  2912.   }
  2913.  
  2914.   const insertBeforeTo = HTMLElement.prototype.before ? (elm, target) => {
  2915.     if (!target || !elm) return null;
  2916.     // using before
  2917.     HTMLElement.prototype.before.call(target, elm);
  2918.     return true;
  2919.   } : (elm, target) => {
  2920.     if (!target || !elm) return null;
  2921.     // using insertBefore
  2922.     try {
  2923.       HTMLElement.prototype.insertBefore.call(nodeParent(target), elm, target);
  2924.       return true;
  2925.     } catch (e) {
  2926.       console.log('element insert failed in old browser CE')
  2927.     }
  2928.     return false;
  2929.   }
  2930.  
  2931.   const insertAfterTo = HTMLElement.prototype.after ? (elm, target) => {
  2932.     if (!target || !elm) return null;
  2933.     // using after
  2934.     HTMLElement.prototype.after.call(target, elm);
  2935.     return true;
  2936.   } : (elm, target) => {
  2937.     if (!target || !elm) return null;
  2938.     // using insertBefore
  2939.     try {
  2940.       HTMLElement.prototype.insertBefore.call(nodeParent(target), elm, nodeNextSibling(target));
  2941.       return true;
  2942.     } catch (e) {
  2943.       console.log('element insert failed in old browser CE')
  2944.     }
  2945.     return false;
  2946.   }
  2947.  
  2948.   const prependTo = HTMLElement.prototype.prepend ? (elm, target) => {
  2949.     if (!target || !elm) return null;
  2950.     // using prepend
  2951.     HTMLElement.prototype.prepend.call(target, elm);
  2952.     return true;
  2953.   } : (elm, target) => {
  2954.     if (!target || !elm) return null;
  2955.     // using insertBefore
  2956.     try {
  2957.       HTMLElement.prototype.insertBefore.call(target, elm, nodeFirstChild(target));
  2958.       return true;
  2959.     } catch (e) {
  2960.       console.log('element insert failed in old browser CE')
  2961.     }
  2962.     return false;
  2963.   }
  2964.  
  2965.   const appends = HTMLElement.prototype.append ? (target, ...args) => {
  2966.     HTMLElement.prototype.append.call(target, ...args);
  2967.     return true;
  2968.   } : (target, ...args) => {
  2969.     for (const s of args) {
  2970.       target.appendChild(s)
  2971.     }
  2972.     return true;
  2973.   }
  2974.  
  2975.  
  2976.   // css animation check for element relocation
  2977.   function mtf_liveChatBtnF(node) {
  2978.  
  2979.     if (!node || node.nodeType !== 1) return;
  2980.  
  2981.     /** @type {HTMLElement | null} */
  2982.     const ytdFlexyElm = es.ytdFlexy;
  2983.     if (!scriptEnable || !ytdFlexyElm) return;
  2984.  
  2985.     let button = node;
  2986.  
  2987.     if (button) {
  2988.       prependTo(button, nodeParent(button));
  2989.     }
  2990.  
  2991.  
  2992.   }
  2993.  
  2994.  
  2995.   function getWrapper(wrapperId) {
  2996.     let wrapper = document.getElementById(wrapperId);
  2997.     if (!wrapper) {
  2998.       wrapper = document.createElement('div');
  2999.       wrapper.id = wrapperId;
  3000.     }
  3001.     return wrapper;
  3002.   }
  3003.  
  3004.   // continuous check for element relocation
  3005.   // fired at begining & window resize, etc
  3006.   // might moved to #primary
  3007.   function mtf_append_playlist(/** @type {HTMLElement | null} */ playlist) {
  3008.  
  3009.     if (playlist === null) {
  3010.       playlist = document.querySelector('ytd-watch-flexy[playlist] *:not(#tabview-playlist-wrapper) > ytd-playlist-panel-renderer.style-scope.ytd-watch-flexy#playlist:not(.ytd-miniplayer)');
  3011.       // this playlist is highly possible to have '#items'
  3012.       if (!playlist) return;
  3013.     }
  3014.  
  3015.     /** @type {HTMLElement | null} */
  3016.     const ytdFlexyElm = es.ytdFlexy;
  3017.     if (!scriptEnable || !ytdFlexyElm) return;
  3018.  
  3019.     let items = querySelectorFromAnchor.call(playlist, "*:not(#tabview-playlist-wrapper) > ytd-playlist-panel-renderer#playlist:not(.ytd-miniplayer) #items.ytd-playlist-panel-renderer:not(:empty)");
  3020.  
  3021.     if (items !== null && playlist.nodeName.toUpperCase() === 'YTD-PLAYLIST-PANEL-RENDERER') {
  3022.  
  3023.       let tab_list = document.querySelector("#tab-list");
  3024.  
  3025.       if (!tab_list) return;
  3026.  
  3027.       let w = getWrapper("tabview-playlist-wrapper");
  3028.       let docFrag = new DocumentFragment();
  3029.       // avoid immediate reflow for append playlist before append to tab_list
  3030.       elementAppend.call(docFrag, w);
  3031.       elementAppend.call(w, playlist);
  3032.       elementAppend.call(tab_list, docFrag);
  3033.       docFrag = null;
  3034.       w = null;
  3035.  
  3036.     }
  3037.   }
  3038.  
  3039.  
  3040.   function getCountHText(elm) {
  3041.     return `${pageFetchedDataVideoId || 0}...${elm.textContent}`
  3042.   }
  3043.  
  3044.   // content fix - info & playlist
  3045.   // fired at begining, and keep for in case any change
  3046.   function mtf_fix_details() {
  3047.  
  3048.     if (!scriptEnable) return Promise.resolve(0); // in case
  3049.  
  3050.     return Promise.all([
  3051.       new Promise(resolve => {
  3052.  
  3053.  
  3054.         let contentToggleBtn = document.querySelector('ytd-watch-flexy #tab-info ytd-expander tp-yt-paper-button#less.ytd-expander:not([hidden]), #tab-info ytd-expander tp-yt-paper-button#more.ytd-expander:not([hidden])');
  3055.  
  3056.         if (contentToggleBtn) {
  3057.  
  3058.           (() => {
  3059.             const domElement = contentToggleBtn;
  3060.             contentToggleBtn = null;
  3061.             // if(!domElement.parentElement) return; // not working in pseudo custom element - parentNode = documentFragment
  3062.             const expander = closestDOM.call(domElement, 'ytd-watch-flexy #tab-info ytd-expander')
  3063.  
  3064.             if (!expander || expander.nodeType !== 1) return; // checking whether it is still on the page
  3065.  
  3066.             if (expander.style.getPropertyValue('--ytd-expander-collapsed-height')) {
  3067.               expander.style.setProperty('--ytd-expander-collapsed-height', '')
  3068.             }
  3069.             /*
  3070.             nativeCall(expander, [
  3071.               { 'property': 'canToggleJobId', 'value': 1 }, // false disable calculateCanCollapse in childrenChanged
  3072.               { 'property': 'alwaysToggleable', 'value': false }, // this is checked in childrenChanged
  3073.               { 'property': 'recomputeOnResize', 'value': false }, // no need to check toggleable
  3074.               { 'property': 'isToggled', 'value': true }, // show full content
  3075.               { 'property': 'canToggle', 'value': false }, // hide show more or less btn
  3076.               { 'property': 'collapsedHeight', 'value': 999999 } // disable collapsed height check
  3077.             ])
  3078.             */
  3079.             scriptletDeferred.debounce(() => {
  3080.               expander.dispatchEvent(new CustomEvent("tabview-expander-config"));
  3081.             })
  3082.             //  console.log(23131)
  3083.  
  3084.           })();
  3085.         }
  3086.  
  3087.         resolve();
  3088.  
  3089.  
  3090.       }),
  3091.  
  3092.       new Promise(resolve => {
  3093.  
  3094.  
  3095.         let strcturedInfo = document.querySelector('ytd-watch-flexy #tab-info ytd-structured-description-content-renderer.style-scope.ytd-video-secondary-info-renderer[hidden]')
  3096.         if (strcturedInfo) {
  3097.  
  3098.           (() => {
  3099.  
  3100.             strcturedInfo.removeAttribute('hidden');
  3101.  
  3102.  
  3103.             setTimeout(() => {
  3104.  
  3105.  
  3106.               let e = closestDOM.call(strcturedInfo, 'ytd-watch-flexy #tab-info ytd-expander');
  3107.  
  3108.               if (!e) return;
  3109.               let s = querySelectorAllFromAnchor.call(e, '#tab-info .more-button.style-scope.ytd-video-secondary-info-renderer[role="button"]');
  3110.               if (s.length === 1) {
  3111.                 let sp = nodeParent(s[0]);
  3112.                 if (sp.nodeName.toUpperCase() === 'TP-YT-PAPER-BUTTON') {
  3113.                   sp.click();
  3114.                 }
  3115.               }
  3116.  
  3117.             }, 300)
  3118.  
  3119.           })();
  3120.         }
  3121.  
  3122.  
  3123.         resolve();
  3124.  
  3125.       }),
  3126.  
  3127.       new Promise(resolve => {
  3128.  
  3129.  
  3130.         // just in case the playlist is collapsed
  3131.         let playlist = document.querySelector('#tab-list ytd-playlist-panel-renderer#playlist')
  3132.         if (playlist && playlist.matches('[collapsed], [collapsible]')) {
  3133.  
  3134.           (() => {
  3135.  
  3136.             const domElement = playlist;
  3137.             playlist = null;
  3138.             // if(!domElement.parentElement || domElement.nodeType!==1) return; // not working in pseudo custom element - parentNode = documentFragment
  3139.             const tablist = closestDOM.call(domElement, 'ytd-watch-flexy #tab-list')
  3140.  
  3141.             if (!tablist || tablist.nodeType !== 1) return; // checking whether it is still on the page
  3142.  
  3143.             if (domElement.hasAttribute('collapsed')) wAttr(domElement, 'collapsed', false);
  3144.             if (domElement.hasAttribute('collapsible')) wAttr(domElement, 'collapsible', false);
  3145.           })();
  3146.         }
  3147.  
  3148.         resolve();
  3149.  
  3150.  
  3151.       }),
  3152.  
  3153.       new Promise(resolve => {
  3154.  
  3155.  
  3156.         let subscribersCount = document.querySelector('#primary.ytd-watch-flexy #below ytd-watch-metadata #owner #owner-sub-count');
  3157.  
  3158.         if (subscribersCount) {
  3159.           if (!subscribersCount.hasAttribute('title')) {
  3160.             // assume YouTube native coding would not implement [title]
  3161.  
  3162.             let ytdWatchMetaDataElm = closestDOM.call(subscribersCount, 'body #primary.ytd-watch-flexy #below ytd-watch-metadata:not([tabview-uploader-hover])');
  3163.             if (ytdWatchMetaDataElm) {
  3164.               ytdWatchMetaDataElm.setAttribute('tabview-uploader-hover', '')
  3165.               let _h = 0;
  3166.               ytdWatchMetaDataElm.addEventListener('transitionend', function (evt) {
  3167.                 // no css selector rule required; no delay js function call required
  3168.  
  3169.                 let selection = evt.propertyName === 'background-position-y' ? 1 : evt.propertyName === 'background-position-x' ? 2 : 0;
  3170.  
  3171.                 if (selection && evt.target) {
  3172.                   let cssRoot = this; // no querySelector is required
  3173.                   if (cssRoot.classList.contains('tabview-uploader-hover')) {
  3174.                     if (evt.target.id !== 'owner') return;
  3175.                     cssRoot.classList.toggle('tabview-uploader-hover', false);
  3176.                   }
  3177.                 }
  3178.  
  3179.                 if (selection === 1) { // string comparision only
  3180.  
  3181.                   // If the cursor initially stayed at the owner info area, 
  3182.                   // the mechanism will be broken
  3183.                   // so implement the true leave detection at their parent
  3184.  
  3185.                   let isHover = evt.elapsedTime < 0.03; // 50ms @normal; 10ms @hover;
  3186.  
  3187.                   let cssRoot = this; // no querySelector is required
  3188.                   if (!isHover) {
  3189.                     // 50ms is slowest than sub element leave effect
  3190.                     if (_h > 0) cssRoot.classList.toggle('tabview-uploader-hover', false) // even the order is incorrect, removal of class is safe.
  3191.                     _h = 0; // in case
  3192.                   } else if (isHover) {
  3193.                     // 10ms is faster than sub element hover effect
  3194.                     // no removal of class in case browser's transition implemention order is incorrect
  3195.                     _h = 0; // in case
  3196.                   }
  3197.  
  3198.                 } else if (selection === 2) { // string comparision only
  3199.  
  3200.                   //from one element to another element; hover effect of 2nd element transition end first.
  3201.                   // _h: 0 -> 1 -> 2 -> 1
  3202.  
  3203.                   let isHover = evt.elapsedTime < 0.03; // 40ms @normal; 20ms @hover;
  3204.                   if (isHover) _h++; else _h--;
  3205.                   let cssRoot = this; // no querySelector is required
  3206.                   if (_h <= 0) {
  3207.                     cssRoot.classList.toggle('tabview-uploader-hover', false)
  3208.                     _h = 0; // in case
  3209.                   } else if (_h === 1) {
  3210.                     cssRoot.classList.toggle('tabview-uploader-hover', true)
  3211.                   }
  3212.  
  3213.                 }
  3214.  
  3215.               }, capturePassive) // capture the hover effect inside the cssRoot
  3216.             }
  3217.  
  3218.           }
  3219.           subscribersCount.setAttribute('title', subscribersCount.textContent); // set at every page update
  3220.  
  3221.         }
  3222.  
  3223.         resolve();
  3224.  
  3225.       })
  3226.  
  3227.  
  3228.     ]);
  3229.  
  3230.  
  3231.   }
  3232.  
  3233.  
  3234.   const innerCommentsFuncs = [
  3235.     // comments
  3236.     function () {
  3237.  
  3238.       let elm = kRef(this.elm);
  3239.       // _console.log(2907, 1, !!elm)
  3240.       if (!elm) return;
  3241.  
  3242.       let span = document.querySelector("span#tyt-cm-count")
  3243.       let r = '0';
  3244.       let txt = elm.textContent
  3245.       if (typeof txt == 'string') {
  3246.         let m = txt.match(/[\d\,\.\s]+/)
  3247.         if (m) {
  3248.           let d = +m[0].replace(/\D+/g, '');
  3249.           let ds = d.toLocaleString(document.documentElement.lang);
  3250.           let rtxt = txt.replace(ds, '')
  3251.           if (rtxt !== txt && !/\d/.test(rtxt)) {
  3252.             r = ds;
  3253.           }
  3254.         }
  3255.       }
  3256.  
  3257.       if (span) {
  3258.         let tab_btn = closestDOM.call(span, '.tab-btn[tyt-tab-content="#tab-comments"]')
  3259.         if (tab_btn) tab_btn.setAttribute('loaded-comment', 'normal')
  3260.         span.textContent = r;
  3261.       }
  3262.  
  3263.       setCommentSection(1);
  3264.       m_last_count = getCountHText(elm);
  3265.       // _console.log(2907, 2, m_last_count)
  3266.       return true;
  3267.     },
  3268.     // message
  3269.     function () {
  3270.  
  3271.       let elm = kRef(this.elm);
  3272.       // _console.log(2907, 2, !!elm)
  3273.       if (!elm) return;
  3274.  
  3275.       let span = document.querySelector("span#tyt-cm-count")
  3276.       if (span) {
  3277.         let tab_btn = closestDOM.call(span, '.tab-btn[tyt-tab-content="#tab-comments"]')
  3278.         if (tab_btn) tab_btn.setAttribute('loaded-comment', 'message')
  3279.         span.textContent = '\u200B';
  3280.       }
  3281.  
  3282.       setCommentSection(1);
  3283.       m_last_count = getCountHText(elm);
  3284.       // _console.log(2907, 2, m_last_count)
  3285.       return true;
  3286.     }
  3287.   ]
  3288.  
  3289.  
  3290.   let innerDOMCommentsCountTextCache = null;
  3291.   /**
  3292.    * 
  3293.    * @param {boolean} [requireResultCaching]
  3294.    * @returns 
  3295.    */
  3296.   function innerDOMCommentsCountLoader(requireResultCaching) {
  3297.     // independent of tabs initialization
  3298.     // f() is executed after tabs being ready
  3299.  
  3300.     /** @type {HTMLElement | null} */
  3301.     const ytdFlexyElm = es.ytdFlexy;
  3302.     if (!scriptEnable || !ytdFlexyElm) return;
  3303.  
  3304.     // _console.log(3434, pageType)
  3305.     if (pageType !== 'watch') return;
  3306.  
  3307.  
  3308.     /** @type {Array<HTMLElement>} */
  3309.     let qmElms = [...document.querySelectorAll('ytd-comments#comments #count.ytd-comments-header-renderer, ytd-comments#comments ytd-item-section-renderer.ytd-comments#sections #header ~ #contents > ytd-message-renderer.ytd-item-section-renderer')]
  3310.  
  3311.  
  3312.     const eTime = +`${Date.now() - mTime}00`;
  3313.  
  3314.     let res = new Array(qmElms.length);
  3315.     res.newFound = false;
  3316.  
  3317.  
  3318.     let ci = 0;
  3319.     let latest = -1;
  3320.  
  3321.     let retrival = cmTime;
  3322.     cmTime = eTime;
  3323.  
  3324.     for (const qmElm of qmElms) {
  3325.  
  3326.       let mgz = 0
  3327.       if (qmElm.id === 'count') {
  3328.         //#count.ytd-comments-header-renderer
  3329.         mgz = 1;
  3330.  
  3331.       } else if ((qmElm.textContent || '').trim()) {
  3332.         //ytd-message-renderer.ytd-item-section-renderer
  3333.         mgz = 2;
  3334.         // it is possible to get the message before the header generation.
  3335.         // sample link - https://www.youtube.com/watch?v=PVUZ8Nvr1ic
  3336.         // sample link - https://www.youtube.com/watch?v=yz8AiQc1Bk8
  3337.       }
  3338.  
  3339.       if (mgz > 0) {
  3340.  
  3341.  
  3342.         let lastUpdate = loadedCommentsDT.get(qmElm) || 0;
  3343.         let diff = retrival - lastUpdate
  3344.         // _console.log(2907, diff)
  3345.         let isNew = (diff > 4 || diff < -4);
  3346.         if (!isNew) {
  3347.           loadedCommentsDT.set(qmElm, eTime);
  3348.         } else {
  3349.           loadedCommentsDT.set(qmElm, eTime + 1);
  3350.           res.newFound = true;
  3351.           latest = ci;
  3352.         }
  3353.  
  3354.         res[ci] = {
  3355.           elm: mWeakRef(qmElm),
  3356.           isNew: isNew,
  3357.           isLatest: false, //set afterwards
  3358.           f: innerCommentsFuncs[mgz - 1]
  3359.         }
  3360.  
  3361.         if (DEBUG_LOG) {
  3362.           res[ci].status = mgz;
  3363.           res[ci].text = qmElm.textContent;
  3364.         }
  3365.  
  3366.         ci++;
  3367.  
  3368.       }
  3369.  
  3370.     }
  3371.     if (res.length > ci) res.length = ci;
  3372.  
  3373.     if (latest >= 0) {
  3374.  
  3375.       res[latest].isLatest = true;
  3376.  
  3377.  
  3378.       let elm = kRef(res[latest].elm);
  3379.       if (elm)
  3380.         innerDOMCommentsCountTextCache = elm.textContent;
  3381.  
  3382.     } else if (res.length === 1) {
  3383.  
  3384.       let qmElm = kRef(res[0].elm);
  3385.       let t = null;
  3386.       if (qmElm) {
  3387.  
  3388.         let t = qmElm.textContent;
  3389.         if (t !== innerDOMCommentsCountTextCache) {
  3390.  
  3391.  
  3392.           loadedCommentsDT.set(qmElm, eTime + 1);
  3393.           res.newFound = true;
  3394.  
  3395.           res[0].isNew = true;
  3396.           latest = 0;
  3397.  
  3398.           res[latest].isLatest = true;
  3399.  
  3400.         }
  3401.  
  3402.         innerDOMCommentsCountTextCache = t;
  3403.  
  3404.  
  3405.       }
  3406.  
  3407.  
  3408.     }
  3409.  
  3410.  
  3411.     // _console.log(2908, res, Q.comments_section_loaded)
  3412.  
  3413.     // _console.log(696, res.map(e => ({
  3414.  
  3415.     //   text: kRef(e.elm).textContent,
  3416.     //   isNew: e.isNew,
  3417.     //   isLatest: e.isLatest
  3418.  
  3419.     // })))
  3420.  
  3421.     if (requireResultCaching) {
  3422.       resultCommentsCountCaching(res);
  3423.     }
  3424.  
  3425.     return res;
  3426.  
  3427.   }
  3428.  
  3429.   function restoreFetching() {
  3430.  
  3431.  
  3432.     if (mtf_forceCheckLiveVideo_disable === 2) return;
  3433.  
  3434.  
  3435.     const ytdFlexyElm = es.ytdFlexy;
  3436.     if (!ytdFlexyElm) return;
  3437.  
  3438.     // _console.log(2901)
  3439.  
  3440.     if ((ytdFlexyElm.getAttribute('tyt-comments') || '').indexOf('K') >= 0) return;
  3441.  
  3442.     // _console.log(2902)
  3443.  
  3444.     let visibleComments = querySelectorFromAnchor.call(ytdFlexyElm, 'ytd-comments#comments:not([hidden])')
  3445.     if (!visibleComments) return;
  3446.  
  3447.     // _console.log(2903)
  3448.  
  3449.  
  3450.     ytdFlexyElm.setAttribute('tyt-comments', 'Kz');
  3451.  
  3452.     const tabBtn = document.querySelector('[tyt-tab-content="#tab-comments"]');
  3453.     let span = querySelectorFromAnchor.call(tabBtn, 'span#tyt-cm-count');
  3454.     tabBtn.removeAttribute('loaded-comment')
  3455.     span.innerHTML = '';
  3456.  
  3457.     if (tabBtn) {
  3458.       setTabBtnVisible(tabBtn, true);
  3459.     }
  3460.  
  3461.     // _console.log(2905)
  3462.  
  3463.  
  3464.   }
  3465.  
  3466.   function checkAndMakeNewCommentFetch() {
  3467.     if (renderDeferred.resolved && Q.comments_section_loaded === 0 && fetchCounts.new && !fetchCounts.fetched) {
  3468.       fetchCounts.new.f();
  3469.       fetchCounts.fetched = true;
  3470.       fetchCommentsFinished();
  3471.       // _console.log(9972, 'fetched = true')
  3472.     }
  3473.   }
  3474.   function onCommentsReady() {
  3475.     if (mtf_forceCheckLiveVideo_disable !== 2) {
  3476.       if (document.querySelector(`ytd-comments#comments`).hasAttribute('hidden')) {
  3477.         // unavailable but not due to live chat
  3478.         _disableComments();
  3479.       } else if (Q.comments_section_loaded === 0) {
  3480.         getFinalComments();
  3481.       }
  3482.     }
  3483.   }
  3484.  
  3485.   const resultCommentsCountCaching = (res) => {
  3486.     // update fetchCounts by res
  3487.     // indepedent of previous state of fetchCounts
  3488.     // _console.log(2908, 10, res)
  3489.     if (!res) return;
  3490.     fetchCounts.count = res.length;
  3491.     //if(fetchCounts.new && !document.documentElement.contains(fetchCounts.new.elm)) fetchCounts.new = null;
  3492.     //if(fetchCounts.base && !document.documentElement.contains(fetchCounts.base.elm)) fetchCounts.base = null;
  3493.     if (fetchCounts.new) return;
  3494.     let newFound = res.newFound;
  3495.     if (!newFound) {
  3496.       if (res.length === 1) {
  3497.         fetchCounts.base = res[0];
  3498.         return false;
  3499.       }
  3500.     } else if (res.length === 1) {
  3501.       fetchCounts.new = res[0];
  3502.       return true;
  3503.     } else if (res.length > 1) {
  3504.       for (const entry of res) {
  3505.         if (entry.isLatest === true && entry.isNew) {
  3506.           fetchCounts.new = entry;
  3507.           return true;
  3508.         }
  3509.       }
  3510.     }
  3511.   }
  3512.  
  3513.   const domInit_comments = () => {
  3514.  
  3515.  
  3516.     let comments = document.querySelector(`ytd-comments#comments:not([o3r-${sa_comments}])`);
  3517.     if (!comments) return;
  3518.  
  3519.     // once per {ytd-comments#comments} detection
  3520.  
  3521.     const ytdFlexyElm = es.ytdFlexy;
  3522.     if (!scriptEnable || !ytdFlexyElm) return;
  3523.  
  3524.     // _console.log(3901)
  3525.  
  3526.     if (mtoVisibility_Comments.bindElement(comments)) {
  3527.       mtoVisibility_Comments.observer.check(9);
  3528.     }
  3529.  
  3530.  
  3531.   };
  3532.  
  3533.   let fixLiveChatToggleButtonDispatchEventRid = 0;
  3534.   const fixLiveChatToggleButtonDispatchEvent = () => {
  3535.  
  3536.     let tid = ++fixLiveChatToggleButtonDispatchEventRid;
  3537.     scriptletDeferred.debounce(() => {
  3538.       if (tid === fixLiveChatToggleButtonDispatchEventRid) {
  3539.         document.dispatchEvent(new CustomEvent("tabview-fix-live-chat-toggle-btn"));
  3540.       }
  3541.     });
  3542.   }
  3543.  
  3544.  
  3545.  
  3546.   const eventDispatcher = (evtName) => {
  3547.     let erid = 0;
  3548.     return (evtNode) => {
  3549.       let tid = ++erid;
  3550.       scriptletDeferred.debounce(() => {
  3551.         if (tid === erid) {
  3552.           evtNode.dispatchEvent(new CustomEvent(evtName));
  3553.         }
  3554.       });
  3555.     }
  3556.   }
  3557.  
  3558.   let chatroomAttrCollapseCount = 0;
  3559.  
  3560.   const dpeForceChatRenderOnChatExpanded = eventDispatcher("tabview-force-chat-render-on-chat-expanded");
  3561.  
  3562.   const dpeNewUrlChat = eventDispatcher("tabview-chat-fix-url-on-new-video-page");
  3563.   const dpeFixUrlChatWhenOnloadWithEmptyBody = eventDispatcher("tabview-chat-fix-url-onload-with-empty-body");
  3564.  
  3565.   const dpeIframeReady = eventDispatcher('tabview-chatroom-ready');
  3566.  
  3567.   const FP = {
  3568.  
  3569.     mtf_attrPlaylist: (attrName, newValue) => {
  3570.       //attr mutation checker - {ytd-playlist-panel-renderer#playlist} \single
  3571.       //::attr ~ hidden    
  3572.       //console.log(1210)
  3573.  
  3574.       // _console.log(21311)
  3575.       if (!scriptEnable) return;
  3576.       if (pageType !== 'watch') return;
  3577.       /** @type {HTMLElement|null} */
  3578.       let cssElm = es.ytdFlexy;
  3579.       if (!cssElm) return;
  3580.  
  3581.       // _console.log(21312)
  3582.  
  3583.       let playlist = document.querySelector('#tab-list ytd-playlist-panel-renderer#playlist'); // can be null if it is manually triggered
  3584.       let isAnyPlaylistExist = playlist && !playlist.hasAttribute('hidden');
  3585.       const tabBtn = document.querySelector('[tyt-tab-content="#tab-list"]');
  3586.       //console.log(1212.2, isPlaylistHidden, playlist.getAttribute('hidden'))
  3587.       if (tabBtn) {
  3588.         //console.log('attr playlist changed')
  3589.         let isPlaylistTabHidden = tabBtn.classList.contains('tab-btn-hidden')
  3590.         if (isPlaylistTabHidden && isAnyPlaylistExist) {
  3591.           //console.log('attr playlist changed - no hide')
  3592.           tabBtn.classList.remove("tab-btn-hidden");
  3593.         } else if (!isPlaylistTabHidden && !isAnyPlaylistExist) {
  3594.           //console.log('attr playlist changed - add hide')
  3595.           hideTabBtn(tabBtn);
  3596.         }
  3597.       }
  3598.       /* visible layout for triggering hidden removal */
  3599.  
  3600.     },
  3601.     mtf_attrComments: (attrName, newValue) => {
  3602.       //attr mutation checker - {ytd-comments#comments} \single
  3603.       //::attr ~ hidden
  3604.  
  3605.       // *** consider this can happen immediately after pop state. timeout / interval might clear out.
  3606.  
  3607.       renderDeferred.resolved && innerDOMCommentsCountLoader(true);
  3608.       // this is triggered by mutationobserver, the comment count update might have ouccred
  3609.  
  3610.       if (pageType !== 'watch') return;
  3611.  
  3612.       let comments = document.querySelector('ytd-comments#comments')
  3613.       const tabBtn = document.querySelector('[tyt-tab-content="#tab-comments"]');
  3614.       if (!comments || !tabBtn) return;
  3615.       let isCommentHidden = comments.hasAttribute('hidden')
  3616.       //console.log('attr comments changed')
  3617.  
  3618.  
  3619.       const ytdFlexyElm = es.ytdFlexy;
  3620.       if (!scriptEnable || !ytdFlexyElm) return;
  3621.  
  3622.       if (mtf_forceCheckLiveVideo_disable === 2) {
  3623.  
  3624.       } else if (!isCommentHidden) {
  3625.  
  3626.         ytdFlexyElm.setAttribute('tyt-comments', 'Kv');
  3627.         if (!fetchCounts.fetched) {
  3628.           emptyCommentSection();
  3629.         }
  3630.         //_console.log(9360, 71);
  3631.         setTabBtnVisible(tabBtn, true); //if contains
  3632.  
  3633.       } else if (isCommentHidden) {
  3634.  
  3635.         ytdFlexyElm.setAttribute('tyt-comments', 'Kh');
  3636.         if (pageType === 'watch' && Q.comments_section_loaded === 1) {
  3637.           emptyCommentSection();
  3638.           // _console.log(9360, 72);
  3639.         }
  3640.  
  3641.       }
  3642.  
  3643.  
  3644.     },
  3645.  
  3646.     mtf_attrChatroom: () => {
  3647.       //attr mutation checker - {ytd-live-chat-frame#chat} \single
  3648.       //::attr ~ collapsed
  3649.  
  3650.       const ytdFlexyElm = es.ytdFlexy;
  3651.       if (!scriptEnable || !ytdFlexyElm) return;
  3652.       if (pageType !== 'watch') return;
  3653.  
  3654.       setToggleBtnTxt();
  3655.  
  3656.       layoutStatusMutex.lockWith(unlock => {
  3657.  
  3658.         const chatBlock = document.querySelector('ytd-live-chat-frame#chat')
  3659.         /** @type {HTMLElement | null} */
  3660.         const cssElm = es.ytdFlexy;
  3661.  
  3662.         if (!chatBlock || !cssElm) {
  3663.           unlock();
  3664.           return;
  3665.         }
  3666.  
  3667.         if (pageType !== 'watch') {
  3668.           unlock();
  3669.           return;
  3670.         }
  3671.  
  3672.         let newAttrV = '';
  3673.         //mtf_attrChatroom => chat exist => tyt-chat non-null
  3674.  
  3675.         let isCollapsed = !!chatBlock.hasAttribute('collapsed');
  3676.  
  3677.         let currentAttr = cssElm.getAttribute('tyt-chat');
  3678.  
  3679.         if (currentAttr !== null) { //string     // [+-]?[az]+[az\$]+
  3680.           let isPlusMinus = currentAttr.charCodeAt(0) < 46; // 43 OR 45
  3681.           if (isPlusMinus) newAttrV = currentAttr.substring(1);
  3682.         }
  3683.  
  3684.         if (isCollapsed) newAttrV = `-${newAttrV}`;
  3685.         if (!isCollapsed) newAttrV = `+${newAttrV}`;
  3686.  
  3687.         wAttr(cssElm, 'tyt-chat', newAttrV);
  3688.  
  3689.  
  3690.         if (typeof newAttrV === 'string' && !isCollapsed) lstTab.lastPanel = '#chatroom';
  3691.  
  3692.         if (!isCollapsed && isAnyActiveTab() && isWideScreenWithTwoColumns() && !isTheater()) {
  3693.           switchTabActivity(null);
  3694.           timeline.setTimeout(unlock, 40);
  3695.         } else {
  3696.           unlock();
  3697.         }
  3698.  
  3699.         if (isCollapsed) {
  3700.           ++chatroomAttrCollapseCount;
  3701.           chatBlock.removeAttribute('tyt-iframe-loaded');
  3702.           // console.log(922,1)
  3703.           // buggy; this section might not be correctly executed.
  3704.           // guess no collaspe change but still iframe will distory and reload.
  3705.           let btn = document.querySelector('tyt-iframe-popup-btn')
  3706.           if (btn) btn.remove();
  3707.         } else {
  3708.  
  3709.           if (pageFetchedDataVideoId && proceedingChatFrameVideoID === pageFetchedDataVideoId && chatroomAttrCollapseCount !== newVideoPageCACC) {
  3710.             console.debug('[tyt] forceChatRenderOnChatExpanded')
  3711.             const _chatBlock = chatBlock;
  3712.             const tyid = ++dpeChatRefreshCounter;
  3713.             setTimeout(() => {
  3714.               if (pageFetchedDataVideoId && proceedingChatFrameVideoID === pageFetchedDataVideoId && chatroomAttrCollapseCount !== newVideoPageCACC) {
  3715.                 if (tyid !== dpeChatRefreshCounter) return;
  3716.                 dpeChatRefreshCounter++;
  3717.                 const chat = document.querySelector('ytd-live-chat-frame#chat');
  3718.                 const chatBlock = _chatBlock;
  3719.                 if (chat === chatBlock && !chatBlock.hasAttribute('collapsed')) {
  3720.                   dpeForceChatRenderOnChatExpanded(chatBlock);
  3721.                 }
  3722.               }
  3723.             }, 67);
  3724.           }
  3725.         }
  3726.  
  3727.         fixLiveChatToggleButtonDispatchEvent();
  3728.  
  3729.  
  3730.  
  3731.       })
  3732.  
  3733.  
  3734.     },
  3735.  
  3736.     mtf_attrEngagementPanel: ( /** @type {MutationRecord[]} */ mutations, /** @type {MutationObserver} */ observer) => {
  3737.       //attr mutation checker - {ytd-engagement-panel-section-list-renderer} \mutiple
  3738.       //::attr ~ visibility
  3739.  
  3740.       const cssElm = es.ytdFlexy;
  3741.       if (!scriptEnable || !cssElm) return;
  3742.       let found = null
  3743.       if (mutations === 9) {
  3744.         found = observer
  3745.       } else {
  3746.         if (document.querySelector('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])')) {
  3747.           // do nothing
  3748.         } else {
  3749.           mtoVisibility_EngagementPanel.clear(true)
  3750.           storeLastPanel = null;
  3751.           wAttr(cssElm, 'tyt-ep-visible', false);
  3752.         }
  3753.         return
  3754.       }
  3755.       let nextValue = engagement_panels_().value;
  3756.       let previousValue = +cssElm.getAttribute('tyt-ep-visible') || 0;
  3757.       if (nextValue === 0 || previousValue === nextValue) return
  3758.       cssElm.setAttribute('tyt-ep-visible', nextValue);
  3759.       lstTab.lastPanel = `#engagement-panel-${nextValue}`;
  3760.       storeLastPanel = mWeakRef(found)
  3761.       let tabsDeferredSess = pageSession.session();
  3762.       if (!scriptEnable && tabsDeferred.resolved) { }
  3763.       else tabsDeferred.debounce(() => {
  3764.         if (!tabsDeferredSess.isValid) return;
  3765.         tabsDeferredSess = null;
  3766.         if (es.storeLastPanel !== found) return
  3767.         layoutStatusMutex.lockWith(unlock => {
  3768.           if (es.storeLastPanel === found && whenEngagemenetPanelVisible()) {
  3769.             timeline.setTimeout(unlock, 40);
  3770.           } else {
  3771.             unlock();
  3772.           }
  3773.         })
  3774.       })
  3775.     }
  3776.  
  3777.   }
  3778.  
  3779.  
  3780.   function variableResets() {
  3781.  
  3782.     // reset variables when it is confirmed a new page is loaded
  3783.  
  3784.     lstTab =
  3785.     {
  3786.       lastTab: null, //tab-xxx
  3787.       lastPanel: null,
  3788.       last: null
  3789.     };
  3790.  
  3791.     scriptEnable = false;
  3792.     ytdFlexy = null;
  3793.     wls.layoutStatus = 0;
  3794.  
  3795.     mtoVisibility_Playlist.clear(true)
  3796.     mtoVisibility_Comments.clear(true)
  3797.  
  3798.     mtoVisibility_Chatroom.clear(true)
  3799.     mtoFlexyAttr.clear(true)
  3800.  
  3801.  
  3802.     for (const elem of document.querySelectorAll('ytd-expander[tabview-expander-checked]')) {
  3803.       elem.removeAttribute('tabview-expander-checked');
  3804.     }
  3805.  
  3806.     mtf_chatBlockQ = null;
  3807.  
  3808.   }
  3809.  
  3810.  
  3811.   function getWord(tag) {
  3812.     return langWords[pageLang][tag] || langWords['en'][tag] || '';
  3813.   }
  3814.  
  3815.  
  3816.   function getTabsHTML() {
  3817.  
  3818.     const sTabBtnVideos = `${svgElm(16, 16, 90, 90, svgVideos)}<span>${getWord('videos')}</span>`;
  3819.     const sTabBtnInfo = `${svgElm(16, 16, 60, 60, svgInfo)}<span>${getWord('info')}</span>`;
  3820.     const sTabBtnPlayList = `${svgElm(16, 16, 20, 20, svgPlayList)}<span>${getWord('playlist')}</span>`;
  3821.  
  3822.     let str1 = `
  3823.         <paper-ripple class="style-scope yt-icon-button">
  3824.             <div id="background" class="style-scope paper-ripple" style="opacity:0;"></div>
  3825.             <div id="waves" class="style-scope paper-ripple"></div>
  3826.         </paper-ripple>
  3827.         `;
  3828.  
  3829.     let str_fbtns = `
  3830.     <div class="font-size-right">
  3831.     <div class="font-size-btn font-size-plus" tyt-di="8rdLQ">
  3832.     <svg width="12" height="12" viewbox="0 0 50 50" preserveAspectRatio="xMidYMid meet" 
  3833.     stroke="currentColor" stroke-width="6" stroke-linecap="round" vector-effect="non-scaling-size">
  3834.       <path d="M12 25H38M25 12V38"/>
  3835.     </svg>
  3836.     </div><div class="font-size-btn font-size-minus" tyt-di="8rdLQ">
  3837.     <svg width="12" height="12" viewbox="0 0 50 50" preserveAspectRatio="xMidYMid meet"
  3838.     stroke="currentColor" stroke-width="6" stroke-linecap="round" vector-effect="non-scaling-size">
  3839.       <path d="M12 25h26"/>
  3840.     </svg>
  3841.     </div>
  3842.     </div>
  3843.     `.replace(/[\r\n]+/g, '');
  3844.  
  3845.     const str_tabs = [
  3846.       `<a id="tab-btn1" tyt-di="q9Kjc" tyt-tab-content="#tab-info" class="tab-btn${(hiddenTabsByUserCSS & 1) === 1 ? ' tab-btn-hidden' : ''}">${sTabBtnInfo}${str1}${str_fbtns}</a>`,
  3847.       `<a id="tab-btn3" tyt-di="q9Kjc" tyt-tab-content="#tab-comments" class="tab-btn${(hiddenTabsByUserCSS & 2) === 2 ? ' tab-btn-hidden' : ''}">${svgElm(16, 16, 120, 120, svgComments)}<span id="tyt-cm-count"></span>${str1}${str_fbtns}</a>`,
  3848.       `<a id="tab-btn4" tyt-di="q9Kjc" tyt-tab-content="#tab-videos" class="tab-btn${(hiddenTabsByUserCSS & 4) === 4 ? ' tab-btn-hidden' : ''}">${sTabBtnVideos}${str1}${str_fbtns}</a>`,
  3849.       `<a id="tab-btn5" tyt-di="q9Kjc" tyt-tab-content="#tab-list" class="tab-btn tab-btn-hidden">${sTabBtnPlayList}${str1}${str_fbtns}</a>`
  3850.     ].join('');
  3851.  
  3852.     let addHTML = `
  3853.         <div id="right-tabs">
  3854.             <tabview-view-pos-thead></tabview-view-pos-thead>
  3855.             <header>
  3856.                 <div id="material-tabs">
  3857.                     ${str_tabs}
  3858.                 </div>
  3859.             </header>
  3860.             <div class="tab-content">
  3861.                 <div id="tab-info" class="tab-content-cld tab-content-hidden" tyt-hidden userscript-scrollbar-render></div>
  3862.                 <div id="tab-comments" class="tab-content-cld tab-content-hidden" tyt-hidden userscript-scrollbar-render></div>
  3863.                 <div id="tab-videos" class="tab-content-cld tab-content-hidden" tyt-hidden userscript-scrollbar-render></div>
  3864.                 <div id="tab-list" class="tab-content-cld tab-content-hidden" tyt-hidden userscript-scrollbar-render></div>
  3865.             </div>
  3866.         </div>
  3867.         `;
  3868.  
  3869.     return addHTML;
  3870.  
  3871.   }
  3872.  
  3873.  
  3874.   function getLang() {
  3875.  
  3876.     let lang = 'en';
  3877.     let htmlLang = ((document || 0).documentElement || 0).lang || '';
  3878.     switch (htmlLang) {
  3879.       case 'en':
  3880.       case 'en-GB':
  3881.         lang = 'en';
  3882.         break;
  3883.       case 'de':
  3884.       case 'de-DE':
  3885.         lang = 'du';
  3886.         break;
  3887.       case 'fr':
  3888.       case 'fr-CA':
  3889.       case 'fr-FR':
  3890.         lang = 'fr';
  3891.         break;
  3892.       case 'zh-Hant':
  3893.       case 'zh-Hant-HK':
  3894.       case 'zh-Hant-TW':
  3895.         lang = 'tw';
  3896.         break;
  3897.       case 'zh-Hans':
  3898.       case 'zh-Hans-CN':
  3899.         lang = 'cn';
  3900.         break;
  3901.       case 'ja':
  3902.       case 'ja-JP':
  3903.         lang = 'jp';
  3904.         break;
  3905.       case 'ko':
  3906.       case 'ko-KR':
  3907.         lang = 'kr';
  3908.         break;
  3909.       case 'ru':
  3910.       case 'ru-RU':
  3911.         lang = 'ru';
  3912.         break;
  3913.       default:
  3914.         lang = 'en';
  3915.     }
  3916.  
  3917.     return lang;
  3918.  
  3919.   }
  3920.  
  3921.   function getLangForPage() {
  3922.  
  3923.     let lang = getLang();
  3924.  
  3925.     if (langWords[lang]) pageLang = lang; else pageLang = 'en';
  3926.  
  3927.   }
  3928.  
  3929.   // function checkEvtTarget(evt, nodeNames) {
  3930.   //   return nodeNames.includes((((evt || 0).target || 0).nodeName || 0));
  3931.   // }
  3932.  
  3933.   function pageCheck() {
  3934.     // yt-player-updated
  3935.     // yt-page-data-updated
  3936.     // yt-watch-comments-ready - omitted
  3937.     // [is-two-columns_] attr changed => layout changed
  3938.  
  3939.     /** @type {HTMLElement | null} */
  3940.     const ytdFlexyElm = es.ytdFlexy;
  3941.     if (!scriptEnable || !ytdFlexyElm) return;
  3942.  
  3943.     let comments = querySelectorFromAnchor.call(ytdFlexyElm, '#primary.ytd-watch-flexy ytd-watch-metadata ~ ytd-comments#comments');
  3944.     if (comments) {
  3945.       let tabComments = document.querySelector('#tab-comments');
  3946.       if (tabComments) {
  3947.         elementAppend.call(tabComments, comments);
  3948.       }
  3949.     }
  3950.  
  3951.     mtf_append_playlist(null); // playlist relocated after layout changed
  3952.  
  3953.     fixTabs();
  3954.  
  3955.     mtf_autocomplete_search();
  3956.  
  3957.   }
  3958.  
  3959.   function globalHook(eventType, func) {
  3960.     if (!func) return;
  3961.  
  3962.     const count = (globalHook_hashs[eventType] || 0) + 1;
  3963.  
  3964.     globalHook_hashs[eventType] = count;
  3965.  
  3966.     const s = globalHook_symbols[count - 1] || (globalHook_symbols[count - 1] = Symbol());
  3967.  
  3968.     document.addEventListener(eventType, function (evt) {
  3969.       if (evt[s]) return;
  3970.       evt[s] = true;
  3971.       Promise.resolve().then(() => {
  3972.         func(evt);
  3973.       })
  3974.  
  3975.     }, capturePassive)
  3976.  
  3977.   }
  3978.  
  3979.   async function makeHeaderFloat() {
  3980.     if (isMakeHeaderFloatCalled) return;
  3981.     isMakeHeaderFloatCalled = true;
  3982.     await Promise.resolve(0);
  3983.  
  3984.  
  3985.     const [header, headerP, navElm] = await Promise.all([
  3986.       Promise.resolve().then(() => document.querySelector("#right-tabs header")),
  3987.  
  3988.       Promise.resolve().then(() => document.querySelector("#right-tabs tabview-view-pos-thead")),
  3989.  
  3990.       Promise.resolve().then(() => document.querySelector('#masthead-container, #masthead'))
  3991.  
  3992.     ]);
  3993.  
  3994.  
  3995.     let ito_dt = 0;
  3996.     let ito = new IntersectionObserver((entries) => {
  3997.  
  3998.       let xyStatus = null;
  3999.  
  4000.       //console.log(entries);
  4001.  
  4002.       let xRect = null;
  4003.       let rRect = null;
  4004.  
  4005.       for (const entry of entries) {
  4006.         if (!entry.boundingClientRect || !entry.rootBounds) continue; // disconnected from DOM tree
  4007.         if (!entry.isIntersecting && entry.boundingClientRect.y <= entry.rootBounds.top && entry.boundingClientRect.y < entry.rootBounds.bottom) {
  4008.           xyStatus = 2;
  4009.           xRect = entry.boundingClientRect;
  4010.           rRect = entry.rootBounds;
  4011.         } else if (entry.isIntersecting && entry.boundingClientRect.y >= entry.rootBounds.top && entry.boundingClientRect.y < entry.rootBounds.bottom) {
  4012.           xyStatus = 1;
  4013.           xRect = entry.boundingClientRect;
  4014.           rRect = entry.rootBounds;
  4015.         }
  4016.       }
  4017.       let p = wls.layoutStatus;
  4018.       //console.log(document.documentElement.clientWidth)
  4019.       if (xyStatus !== null) {
  4020.  
  4021.         if (xyStatus === 2 && isStickyHeaderEnabled === true) {
  4022.  
  4023.         } else if (xyStatus === 1 && isStickyHeaderEnabled === false) {
  4024.  
  4025.         } else {
  4026.           singleColumnScrolling2(xyStatus, xRect.width, {
  4027.             left: xRect.left,
  4028.             right: rRect.width - xRect.right
  4029.           });
  4030.         }
  4031.  
  4032.       }
  4033.  
  4034.       let tdt = Date.now();
  4035.       ito_dt = tdt;
  4036.       setTimeout(() => {
  4037.         if (ito_dt !== tdt) return;
  4038.         if (p !== wls.layoutStatus) singleColumnScrolling();
  4039.       }, 300)
  4040.  
  4041.     },
  4042.       {
  4043.         rootMargin: `0px 0px 0px 0px`,
  4044.         threshold: [0]
  4045.       })
  4046.  
  4047.     ito.observe(headerP)
  4048.  
  4049.   }
  4050.  
  4051.   function checkPlaylistForInitialization() {
  4052.     // if the page url is with playlist; renderer event might not occur.
  4053.  
  4054.     // playlist already added to dom; this is to set the visibility event and change hidden status
  4055.  
  4056.     let m_playlist = document.querySelector(`#tab-list ytd-playlist-panel-renderer#playlist:not([o3r-${sa_playlist}])`)
  4057.  
  4058.     // once per {ytd-playlist-panel-renderer#playlist} detection
  4059.  
  4060.     // _console.log(3902, !!m_playlist)
  4061.  
  4062.     const ytdFlexyElm = es.ytdFlexy;
  4063.     if (!scriptEnable || !ytdFlexyElm) { }
  4064.     else if (m_playlist) {
  4065.  
  4066.       if (mtoVisibility_Playlist.bindElement(m_playlist)) {
  4067.         mtoVisibility_Playlist.observer.check(9); // delay check required for browser bug - hidden changed not triggered 
  4068.       }
  4069.       let playlist_wr = mWeakRef(m_playlist);
  4070.       scriptletDeferred.debounce(() => {
  4071.         let m_playlist = kRef(playlist_wr);
  4072.         playlist_wr = null;
  4073.         if (m_playlist) {
  4074.           m_playlist.dispatchEvent(new CustomEvent("tabview-playlist-data-re-assign"));
  4075.         }
  4076.         m_playlist = null;
  4077.       })
  4078.       m_playlist = null;
  4079.  
  4080.     }
  4081.  
  4082.     FP.mtf_attrPlaylist();
  4083.  
  4084.     Promise.resolve(0).then(() => {
  4085.       // ['tab-btn', 'tab-btn', 'tab-btn active', 'tab-btn tab-btn-hidden']
  4086.       // bug
  4087.       const ytdFlexyElm = es.ytdFlexy;
  4088.       if (!scriptEnable || !ytdFlexyElm) return;
  4089.       if (!switchTabActivity_lastTab && (ytdFlexyElm.getAttribute('tyt-tab') + '').indexOf('#tab-') === 0 && location.pathname === '/watch') {
  4090.         if (/[\?\&]list=[\w\-\_]+/.test(location.search)) {
  4091.           if (setToActiveTab('#tab-list')) switchTabActivity_lastTab = '#tab-list';
  4092.         } else if (/[\?\&]lc=[\w\-\_]+/.test(location.search)) {
  4093.           if (setToActiveTab('#tab-comments')) switchTabActivity_lastTab = '#tab-comments';
  4094.         }
  4095.       }
  4096.     })
  4097.  
  4098.   }
  4099.  
  4100.  
  4101.   const _pageBeingInit = function () {
  4102.  
  4103.     pageSession.inc();
  4104.     if (pageSession.sid > 9e9) pageSession.sid = 9;
  4105.  
  4106.     fetchCounts = {
  4107.       base: null,
  4108.       new: null,
  4109.       fetched: false,
  4110.       count: null
  4111.     }
  4112.     pageFetchedDataVideoId = null;
  4113.     chatroomDetails = null;
  4114.   }
  4115.  
  4116.   const pageBeingInit = function () {
  4117.  
  4118.     if (_isPageFirstLoaded && location.pathname === '/watch') document.documentElement.setAttribute('tyt-lock', '')
  4119.  
  4120.     // call regardless pageType
  4121.     // run once on / before pageSeq2
  4122.  
  4123.     let action = 0;
  4124.     if (tabsDeferred.resolved) {
  4125.       action = 1;
  4126.     } else if (renderDeferred.resolved) {
  4127.       // in case , rarely, tabsDeferred not yet resolved but animateLoadDeferred resolved
  4128.       action = 2;
  4129.     }
  4130.  
  4131.     renderIdentifier++;
  4132.     if (renderIdentifier > 1e9) renderIdentifier = 9;
  4133.     renderDeferred.reset();
  4134.  
  4135.     if (action === 1) {
  4136.       comments_loader = 1;
  4137.       tabsDeferred.reset();
  4138.       if ((firstLoadStatus & 8) === 0) {
  4139.         innerDOMCommentsCountLoader(false); //ensure the previous record is saved
  4140.         // no need to cache to the rendering state
  4141.         _pageBeingInit();
  4142.       } else if ((firstLoadStatus & 2) === 2) {
  4143.         firstLoadStatus -= 2;
  4144.         script_inject_js1.inject();
  4145.       }
  4146.       // _console.log('pageBeingInit', firstLoadStatus)
  4147.     }
  4148.  
  4149.     if (pageRendered === 2) {
  4150.       pageRendered = 0;
  4151.       let elmPL = document.querySelector('tabview-view-ploader');
  4152.       if (elmPL) elmPL.remove();
  4153.       pageRendered = 0;
  4154.     }
  4155.  
  4156.     if (!scriptletDeferred.resolved) {
  4157.       // just in case, should not happen this.
  4158.       // this is to clear the pending queue if scriptlet is not ready.
  4159.       scriptletDeferred.reset();
  4160.     }
  4161.  
  4162.   };
  4163.  
  4164.   const advanceFetch = async function () {
  4165.     if (pageType === 'watch' && !fetchCounts.new && !fetchCounts.fetched) {
  4166.       renderDeferred.resolved && innerDOMCommentsCountLoader(true);
  4167.       if (renderDeferred.resolved && !fetchCounts.new) {
  4168.         window.dispatchEvent(new Event("scroll"));
  4169.       }
  4170.     }
  4171.   };
  4172.  
  4173.   function getFinalComments() {
  4174.  
  4175.     if ((comments_loader & 3) === 3) { } else return;
  4176.     comments_loader = 0;
  4177.  
  4178.     let ei = 0;
  4179.  
  4180.     function execute() {
  4181.       //sync -> animateLoadDeferred.resolved always true
  4182.  
  4183.       if (!renderDeferred.resolved) return;
  4184.  
  4185.       // _console.log(2323)
  4186.  
  4187.       if (Q.comments_section_loaded !== 0) return;
  4188.       if (fetchCounts.fetched) return;
  4189.  
  4190.  
  4191.       let ret = innerDOMCommentsCountLoader(true);
  4192.  
  4193.       if (fetchCounts.new && !fetchCounts.fetched) {
  4194.         if (fetchCounts.new.f()) {
  4195.           fetchCounts.fetched = true;
  4196.           fetchCommentsFinished();
  4197.           // _console.log(9972, 'fetched = true')
  4198.         }
  4199.         return;
  4200.       }
  4201.  
  4202.  
  4203.       ei++;
  4204.  
  4205.       if (fetchCounts.base && !fetchCounts.new && !fetchCounts.fetched && fetchCounts.count === 1) {
  4206.  
  4207.  
  4208.         let elm = kRef(fetchCounts.base.elm);
  4209.         let txt = elm ? getCountHText(elm) : null;
  4210.         let condi1 = ei > 7;
  4211.         let condi2 = txt === m_last_count;
  4212.         if (condi1 || condi2) {
  4213.  
  4214.           if (fetchCounts.base.f()) {
  4215.             fetchCounts.fetched = true;
  4216.             fetchCommentsFinished();
  4217.             // _console.log(9972, 'fetched = true')
  4218.           }
  4219.  
  4220.         }
  4221.  
  4222.       }
  4223.  
  4224.       if (!fetchCounts.fetched) {
  4225.         if (ei > 7) {
  4226.           let elm = ret.length === 1 ? kRef(ret[0].elm) : null;
  4227.           let txt = elm ? getCountHText(elm) : null;
  4228.           if (elm && txt !== m_last_count) {
  4229.             fetchCounts.base = null;
  4230.             fetchCounts.new = ret[0];
  4231.             fetchCounts.new.f();
  4232.             fetchCounts.fetched = true;
  4233.             // _console.log(9979, 'fetched = true')
  4234.             fetchCommentsFinished();
  4235.           }
  4236.           return;
  4237.         }
  4238.         return true;
  4239.       }
  4240.  
  4241.     }
  4242.  
  4243.  
  4244.     async function alCheckFn(ks) {
  4245.  
  4246.       let alCheckCount = 9;
  4247.       let alCheckInterval = 420;
  4248.  
  4249.       do {
  4250.  
  4251.         if (renderIdentifier !== ks) break;
  4252.         if (alCheckCount === 0) break;
  4253.         if (execute() !== true) break;
  4254.         --alCheckCount;
  4255.  
  4256.         await new Promise(r => setTimeout(r, alCheckInterval));
  4257.  
  4258.       } while (true)
  4259.  
  4260.     }
  4261.     let ks = renderIdentifier;
  4262.     renderDeferred.debounce(() => {
  4263.       if (ks !== renderIdentifier) return
  4264.       alCheckFn(ks);
  4265.  
  4266.     });
  4267.  
  4268.  
  4269.   }
  4270.  
  4271.   const { removeDuplicateInfoFn, setHiddenStateForDesc, checkDuplicatedInfo_then } = (() => {
  4272.  
  4273.     let g_check_detail_A = 0;
  4274.     let checkDuplicateRes = null;
  4275.     function setHiddenStateForDesc() {
  4276.       let ytdFlexyElm = es.ytdFlexy
  4277.       if (!ytdFlexyElm) return
  4278.       let hiddenBool = !document.fullscreenElement ? ytdFlexyElm.classList.contains('tabview-info-duplicated') : false
  4279.       let elm
  4280.       elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-text-inline-expander#description-inline-expander #plain-snippet-text')
  4281.       if (elm) {
  4282.         wAttr(elm, 'hidden', hiddenBool)
  4283.       }
  4284.       elm = document.querySelector('.tabview-info-duplicated-checked[flexy] ytd-text-inline-expander#description-inline-expander #formatted-snippet-text')
  4285.       if (elm) {
  4286.         wAttr(elm, 'hidden', hiddenBool)
  4287.       }
  4288.     }
  4289.     function checkDuplicatedInfo_then(isCheck, checkDuplicateRes) {
  4290.  
  4291.       const ytdFlexyElm = es.ytdFlexy;
  4292.       if (!ytdFlexyElm) return; //unlikely
  4293.  
  4294.       let cssbool_c1 = false, cssbool_c2 = false;
  4295.       if (isCheck === 5) {
  4296.  
  4297.         if (ytdFlexyElm.matches('.tabview-info-duplicated[flexy]')) {
  4298.           cssbool_c1 = !!querySelectorFromAnchor.call(ytdFlexyElm, '#description.style-scope.ytd-watch-metadata > #description-inner:only-child');
  4299.           cssbool_c2 = !!querySelectorFromAnchor.call(ytdFlexyElm, '#tab-info ytd-expander #description.ytd-video-secondary-info-renderer');
  4300.         }
  4301.  
  4302.         if (typeof checkDuplicateRes === 'boolean') {
  4303.           setHiddenStateForDesc();
  4304.         }
  4305.       }
  4306.  
  4307.       ytdFlexyElm.setAttribute('tyt-has', `${cssbool_c1 ? 'A' : 'a'}${cssbool_c2 ? 'B' : 'b'}`);
  4308.  
  4309.     }
  4310.  
  4311.     async function checkDuplicatedInfoAug2023() {
  4312.       const firstElementSelector = "ytd-text-inline-expander#description-inline-expander";
  4313.       const secondElementSelector = "#tab-info ytd-expander #description";
  4314.     
  4315.       const firstElement = document.querySelector(firstElementSelector);
  4316.       const secondElement = document.querySelector(secondElementSelector);
  4317.     
  4318.       if (!firstElement || !secondElement) return false;
  4319.       if (firstElement.hasAttribute('hidden') || secondElement.hasAttribute('hidden')) return false;
  4320.     
  4321.       const asyncGetContent = async (n) => {
  4322.         return n.textContent;
  4323.       }
  4324.     
  4325.       const getTextContentArr = async (element) => {
  4326.         let contentArray = [];
  4327.     
  4328.         for (let currentNode = nodeFirstChild(element); currentNode; currentNode = nodeNextSibling(currentNode)) {
  4329.     
  4330.           if (currentNode.nodeType === Node.ELEMENT_NODE) {
  4331.             if (currentNode.nodeName === "STYLE") {
  4332.               // <style is-scoped>
  4333.               continue;
  4334.             }
  4335.             if (currentNode.getAttribute('role') === 'button') { // .role is not working in Firefox
  4336.               // tp-yt-paper-button#expand-sizer
  4337.               // currentNode.matches('#collapse[role="button"]:not([hidden])')
  4338.               continue;
  4339.             }
  4340.             if (currentNode.hasAttribute("hidden")) {
  4341.               continue;
  4342.             }
  4343.             if (currentNode.id === "snippet") {
  4344.               let allHidden = true;
  4345.               for (let child = nodeFirstChild(currentNode); child; child = nodeNextSibling(child)) {
  4346.                 if (child.nodeName === "STYLE") {
  4347.                   // <style is-scoped>
  4348.                   continue;
  4349.                 }
  4350.                 if (child.hasAttribute("hidden")) {
  4351.                   continue;
  4352.                 }
  4353.                 let trimmedTextContent = await asyncGetContent(child);
  4354.                 trimmedTextContent = trimmedTextContent.trim();
  4355.                 if (trimmedTextContent.length === 0) continue;
  4356.                 allHidden = false;
  4357.                 break;
  4358.               }
  4359.               if (allHidden) {
  4360.                 continue;
  4361.               }
  4362.             }
  4363.     
  4364.     
  4365.           } else if (currentNode.nodeType === Node.TEXT_NODE) {
  4366.           } else {
  4367.             continue;
  4368.           }
  4369.     
  4370.           let trimmedTextContent = await asyncGetContent(currentNode);
  4371.           trimmedTextContent = trimmedTextContent.trim();
  4372.           if (trimmedTextContent.length > 0) {
  4373.             trimmedTextContent = trimmedTextContent.replace(/\n[\n\x20]+\n/g, '\n\n');
  4374.             // "白州大根\n    \n      チャンネル登録者数 698人\n    \n  \n\n\n  動画\n  \n\n\n  \n  \n概要"
  4375.             // "白州大根\n    \n      チャンネル登録者数 698人\n    \n  \n\n\n  動画\n  \n  \n概要"
  4376.             contentArray.push(trimmedTextContent);
  4377.           }
  4378.     
  4379.         }
  4380.     
  4381.         return contentArray;
  4382.       };
  4383.     
  4384.       const [firstElementTextArr, secondElementTextArr] = await Promise.all([getTextContentArr(firstElement), getTextContentArr(secondElement)]);
  4385.     
  4386.       function isSubset(arr1, arr2) {
  4387.         const set = new Set(arr2);
  4388.         const r = arr1.every(item => set.has(item));
  4389.         set.clear();
  4390.         return r;
  4391.       }
  4392.     
  4393.       return isSubset(firstElementTextArr, secondElementTextArr);
  4394.     }
  4395.  
  4396.     async function checkDuplicatedInfo() {
  4397.  
  4398.       const ytdFlexyElm = es.ytdFlexy;
  4399.       if (!ytdFlexyElm) return; //unlikely
  4400.  
  4401.       const targetDuplicatedInfoPanel = document.querySelector('ytd-text-inline-expander#description-inline-expander:not([hidden])');
  4402.       if (targetDuplicatedInfoPanel && !targetDuplicatedInfoPanel.closest('[hidden]')) { } else {
  4403.         return; // the layout is not required to have this checking.
  4404.       }
  4405.  
  4406.       let t = Date.now();
  4407.       g_check_detail_A = t;
  4408.  
  4409.       ytdFlexyElm.classList.toggle('tabview-info-duplicated', true) // hide first;
  4410.       let infoDuplicated = false;
  4411.  
  4412.       try {
  4413.         await new Promise(resolve => setTimeout(resolve, 1)); // mcrcr might be not yet initalized
  4414.  
  4415.  
  4416.         if (g_check_detail_A !== t) return;
  4417.  
  4418.  
  4419.         let clicked = false;
  4420.         await Promise.all([...document.querySelectorAll('ytd-text-inline-expander#description-inline-expander #expand[role="button"]:not([hidden])')].map(button => {
  4421.           return Promise.resolve().then(() => {
  4422.             button.click();
  4423.             clicked = true;
  4424.           });
  4425.         }));
  4426.  
  4427.         await Promise.resolve(0);
  4428.  
  4429.         infoDuplicated = await checkDuplicatedInfoAug2023();
  4430.  
  4431.         if (infoDuplicated === false && clicked) {
  4432.  
  4433.           await Promise.all([...document.querySelectorAll('ytd-text-inline-expander#description-inline-expander #collapse[role="button"]:not([hidden])')].map(button => {
  4434.             return Promise.resolve().then(() => {
  4435.               button.click();
  4436.             });
  4437.           }));
  4438.  
  4439.         }
  4440.  
  4441.       } catch (e) {
  4442.  
  4443.         ytdFlexyElm.classList.toggle('tabview-info-duplicated', false) // error => unhide
  4444.       }
  4445.  
  4446.       console.debug('[tyt] Have any details with duplicated information been found?', (infoDuplicated ? 'Yes' : 'No'));
  4447.       
  4448.       if (g_check_detail_A !== t) return;
  4449.  
  4450.       //ytdFlexyElm.classList.toggle('tabview-info-duplicated', infoDuplicated)
  4451.       checkDuplicateRes = infoDuplicated;
  4452.  
  4453.       return 5; // other than 5, duplicated check = false
  4454.  
  4455.     };
  4456.  
  4457.     const removeDuplicateInfoFn = () => {
  4458.  
  4459.       checkDuplicateRes = null;
  4460.       async function alCheckFn(ks) {
  4461.  
  4462.         let alCheckCount = 4;
  4463.         let alCheckInterval = 270;
  4464.  
  4465.         checkDuplicateRes = null;
  4466.         let descExpandState = null;
  4467.         let descMetaExpander = closestDOMX(document.querySelector('ytd-text-inline-expander#description-inline-expander'), 'ytd-watch-metadata');
  4468.         let descToggleBtn = null;
  4469.         let descMetaLines = null;
  4470.         if (descMetaExpander) {
  4471.  
  4472.           // ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata
  4473.           descMetaLines = querySelectorFromAnchor.call(descMetaExpander, 'ytd-text-inline-expander#description-inline-expander.style-scope.ytd-watch-metadata')
  4474.           if (descMetaLines) {
  4475.  
  4476.             descToggleBtn = querySelectorFromAnchor.call(descMetaLines, '#collapse[role="button"]:not([hidden]), #expand[role="button"]:not([hidden])');
  4477.             if (descToggleBtn) {
  4478.               if (descMetaExpander.hasAttribute('description-collapsed') && descToggleBtn.id === 'expand') {
  4479.                 descExpandState = false;
  4480.               } else if (!descMetaExpander.hasAttribute('description-collapsed') && descToggleBtn.id === 'collapse') {
  4481.                 descExpandState = true;
  4482.               }
  4483.             }
  4484.           }
  4485.  
  4486.         }
  4487.         if (descMetaExpander) {
  4488.           descMetaExpander.classList.add('tyt-tmp-hide-metainfo');
  4489.         }
  4490.  
  4491.         try {
  4492.  
  4493.  
  4494.  
  4495.           do {
  4496.  
  4497.             if (renderIdentifier !== ks) break;
  4498.             if (alCheckCount === 0) break;
  4499.             if (checkDuplicateRes === true) break;
  4500.             checkDuplicateRes = null;
  4501.  
  4502.             let res = await checkDuplicatedInfo(); //async
  4503.             if (res === 5) {
  4504.  
  4505.               const ytdFlexyElm = es.ytdFlexy;
  4506.               if (ytdFlexyElm) {
  4507.                 if (checkDuplicateRes === true || (checkDuplicateRes === false && alCheckCount === 1)) {
  4508.                   ytdFlexyElm.classList.toggle('tabview-info-duplicated', checkDuplicateRes)
  4509.                   ytdFlexyElm.classList.toggle('tabview-info-duplicated-checked', true)
  4510.                   checkDuplicatedInfo_then(res, checkDuplicateRes);
  4511.                   scriptletDeferred.debounce(() => {
  4512.                     document.dispatchEvent(new CustomEvent('tabview-fix-info-box-tooltip'));
  4513.                   });
  4514.                 }
  4515.               }
  4516.  
  4517.             }
  4518.             --alCheckCount;
  4519.  
  4520.             if (checkDuplicateRes === true) break;
  4521.  
  4522.             await new Promise(r => setTimeout(r, alCheckInterval));
  4523.  
  4524.           } while (true)
  4525.  
  4526.           await Promise.resolve(0)
  4527.  
  4528.           descToggleBtn = descMetaLines ? querySelectorFromAnchor.call(descMetaLines, '#collapse[role="button"]:not([hidden]), #expand[role="button"]:not([hidden])') : null;
  4529.           if (descToggleBtn) {
  4530.  
  4531.             let isCollapsed = descMetaExpander.hasAttribute('description-collapsed')
  4532.             let id = descToggleBtn.id
  4533.             let b1 = descExpandState === true && isCollapsed && id === 'expand';
  4534.             let b2 = descExpandState === false && !isCollapsed && id === 'collapse';
  4535.  
  4536.             if (b1 || b2) {
  4537.               descToggleBtn.click();
  4538.             }
  4539.  
  4540.           }
  4541.  
  4542.  
  4543.  
  4544.  
  4545.         } catch (e) {
  4546.  
  4547.           console.warn(e)
  4548.  
  4549.         }
  4550.  
  4551.         if (descMetaExpander) {
  4552.           descMetaExpander.classList.remove('tyt-tmp-hide-metainfo');
  4553.  
  4554.           await Promise.resolve(0)
  4555.  
  4556.           let detailsIntersectioner = querySelectorFromAnchor.call(descMetaExpander, '#info-container.style-scope.ytd-watch-metadata');
  4557.           if (detailsIntersectioner) {
  4558.             Promise.resolve(detailsIntersectioner).then(detailsIntersectioner => {
  4559.               let dom = detailsIntersectioner;
  4560.               if (dom) mtoObservationDetails.bindElement(dom);
  4561.             })
  4562.           }
  4563.  
  4564.         }
  4565.  
  4566.  
  4567.  
  4568.       }
  4569.       let ks = renderIdentifier;
  4570.       renderDeferred.debounce(() => {
  4571.         if (ks !== renderIdentifier) return
  4572.         alCheckFn(ks);
  4573.  
  4574.       });
  4575.     }
  4576.  
  4577.     return { removeDuplicateInfoFn, setHiddenStateForDesc, checkDuplicatedInfo_then };
  4578.  
  4579.   })();
  4580.  
  4581.  
  4582.   // setupChatFrameDOM (v1) - removed in 2023.07.06 since it is buggy for page changing. subject to further review
  4583.   function setupChatFrameDOM(node) {
  4584.     // this function calls 3 times per each new video page
  4585.  
  4586.     // 'tyt-chat' is initialized in setupChatFrameDisplayState1()
  4587.  
  4588.     if (!chatroomDetails) return;
  4589.     let liveChatFrame = node || document.querySelector('ytd-live-chat-frame#chat')
  4590.     if (liveChatFrame) {
  4591.  
  4592.       // every per [new] {ytd-live-chat-frame#chat} detection - reset after mini-playview
  4593.  
  4594.       let ytdFlexyElm = es.ytdFlexy;
  4595.       if (scriptEnable && ytdFlexyElm) {
  4596.         if (mtoVisibility_Chatroom.bindElement(liveChatFrame)) {
  4597.           mtoVisibility_Chatroom.observer.check(9)
  4598.         }
  4599.       }
  4600.  
  4601.       liveChatFrame = null;
  4602.       ytdFlexyElm = null;
  4603.  
  4604.       setToggleBtnTxt(); // immediate update when page changed
  4605.  
  4606.       if (node !== null) {
  4607.         // button might not yet be rendered
  4608.         getRAFPromise().then(setToggleBtnTxt); // bool = true must be front page
  4609.       } else {
  4610.  
  4611.         // this is due to page change
  4612.         let incorrectChat = document.querySelector('ytd-watch-flexy[is-two-columns_][theater] ytd-live-chat-frame#chat:not([collapsed])')
  4613.         if (incorrectChat) {
  4614.           incorrectChat.setAttribute('collapsed', '')
  4615.         }
  4616.  
  4617.       }
  4618.  
  4619.     }
  4620.  
  4621.   }
  4622.  
  4623.   function whenEngagemenetPanelVisible() {
  4624.  
  4625.     const layoutStatus = wls.layoutStatus;
  4626.     if ((layoutStatus & (LAYOUT_TWO_COLUMNS | LAYOUT_THEATER)) === LAYOUT_TWO_COLUMNS) {
  4627.  
  4628.       if (layoutStatus & LAYOUT_TAB_EXPANDED) {
  4629.         switchTabActivity(null);
  4630.         return true;
  4631.       } else if (layoutStatus & LAYOUT_CHATROOM_EXPANDED) {
  4632.         ytBtnCollapseChat();
  4633.         return true;
  4634.       }
  4635.  
  4636.     }
  4637.  
  4638.     return false;
  4639.  
  4640.   }
  4641.  
  4642.  
  4643.   function removeFocusOnLeave(evt) {
  4644.     let node = (evt || 0).target || 0
  4645.     let activeElement = document.activeElement || 0
  4646.     if (node.nodeType === 1 && activeElement.nodeType === 1) {
  4647.       Promise.resolve().then(() => {
  4648.         if (node.contains(activeElement)) {
  4649.           activeElement.blur();
  4650.         }
  4651.       })
  4652.     }
  4653.   }
  4654.  
  4655.   async function setupVideo(node) {
  4656.     // this can be fired even in background without tabs rendered
  4657.     const attrKey = 'gM7Cp'
  4658.     let video = querySelectorFromAnchor.call(node, `#movie_player video[src]:not([${attrKey}])`);
  4659.     if (video) {
  4660.       video.setAttribute(attrKey, '')
  4661.  
  4662.       video.addEventListener('timeupdate', (evt) => {
  4663.         energizedByVideoTimeUpdate();
  4664.       }, bubblePassive);
  4665.  
  4666.       video.addEventListener('ended', (evt) => {
  4667.         // scrollIntoView => auto start next video
  4668.         // otherwise it cannot auto paly next
  4669.         if (pageType === 'watch') {
  4670.           let elm = evt.target;
  4671.           Promise.resolve(elm).then((elm) => {
  4672.             if (pageType === 'watch') {
  4673.               let scrollElm = closestDOM.call(elm, '#player') || closestDOM.call(elm, '#ytd-player') || elm;
  4674.               // background applicable
  4675.               scrollElm.scrollIntoView(false);
  4676.               scrollElm = null
  4677.             }
  4678.             elm = null
  4679.           });
  4680.         }
  4681.  
  4682.       }, bubblePassive)
  4683.  
  4684.     }
  4685.   }
  4686.  
  4687.  
  4688.   globalHook('yt-player-updated', (evt) => {
  4689.  
  4690.     const node = ((evt || 0).target) || 0
  4691.  
  4692.     if (node.nodeType !== 1) return;
  4693.  
  4694.     const nodeName = node.nodeName.toUpperCase();
  4695.  
  4696.     // _console.log(evt.target.nodeName, 904, evt.type);
  4697.  
  4698.     if (nodeName !== 'YTD-PLAYER') return
  4699.  
  4700.     setupVideo(node)
  4701.  
  4702.  
  4703.     let tabsDeferredSess = pageSession.session();
  4704.     if (!scriptEnable && tabsDeferred.resolved) { }
  4705.     else tabsDeferred.debounce(() => {
  4706.  
  4707.       if (!tabsDeferredSess.isValid) return;
  4708.       tabsDeferredSess = null;
  4709.  
  4710.  
  4711.       if (!scriptEnable) return
  4712.  
  4713.       checkAndMakeNewCommentFetch();
  4714.  
  4715.       // _console.log(2178, 4)
  4716.       pageCheck();
  4717.  
  4718.       domInit_comments();
  4719.       setupChatFrameDOM(null);
  4720.  
  4721.  
  4722.     });
  4723.  
  4724.  
  4725.   });
  4726.  
  4727.   function tabviewControllerFn(controllerId, val) {
  4728.     val = +val;
  4729.     if (val > -1 && val >= 0) {
  4730.       if (controllerId === 'tabviewTabsHideController') {
  4731.         hiddenTabsByUserCSS = val;
  4732.  
  4733.         let btn;
  4734.         btn = document.querySelector('[tyt-tab-content="#tab-info"]')
  4735.         if (btn) btn.classList.toggle('tab-btn-hidden', ((hiddenTabsByUserCSS & 1) === 1));
  4736.  
  4737.         btn = document.querySelector('[tyt-tab-content="#tab-comments"]')
  4738.         if (btn) {
  4739.           if ((hiddenTabsByUserCSS & 2) === 2) {
  4740.             btn.classList.toggle('tab-btn-hidden', true);
  4741.           } else {
  4742.             btn.classList.toggle('tab-btn-hidden', isCommentsTabBtnHidden);
  4743.           }
  4744.         }
  4745.         btn = document.querySelector('[tyt-tab-content="#tab-videos"]');
  4746.         if (btn) btn.classList.toggle('tab-btn-hidden', ((hiddenTabsByUserCSS & 4) === 4));
  4747.  
  4748.         let activeHiddenBtn = document.querySelector('[tyt-tab-content^="#"].active.tab-btn-hidden');
  4749.         if (activeHiddenBtn) {
  4750.           setToActiveTab();
  4751.         }
  4752.  
  4753.       } else if (controllerId === 'tabviewDefaultTabController') {
  4754.         defaultTabByUserCSS = val;
  4755.         if (setupDefaultTabBtnSetting) setupDefaultTabBtnSetting();
  4756.       }
  4757.     }
  4758.   }
  4759.  
  4760.  
  4761.   /** @type {Map<string, Function>} */
  4762.   let handleDOMAppearFN = new Map();
  4763.   function handleDOMAppear( /** @type {string} */ fn, /** @type { listener: (this: Document, ev: AnimationEvent ) => any } */ func) {
  4764.     if (handleDOMAppearFN.size === 0) {
  4765.       document.addEventListener('animationstart', (evt) => {
  4766.         const animationName = evt.animationName;
  4767.         if (!animationName) return;
  4768.         let idx = -1;
  4769.         let func = handleDOMAppearFN.get(animationName);
  4770.         if (func) func(evt);
  4771.         else {
  4772.           let idx = animationName.indexOf('Controller-');
  4773.           if (idx > 0) {
  4774.             let j = idx + 'Controller'.length;
  4775.             tabviewControllerFn(animationName.substring(0, j), animationName.substring(j + 1));
  4776.           }
  4777.         }
  4778.       }, capturePassive)
  4779.     } else {
  4780.       if (handleDOMAppearFN.has(fn)) return;
  4781.     }
  4782.     handleDOMAppearFN.set(fn, func);
  4783.   }
  4784.  
  4785.   function ytMicroEventsInit() {
  4786.  
  4787.     // _console.log(902);
  4788.  
  4789.     handleDOMAppear('videosDOMAppended', function (evt) {
  4790.       videosDeferred.resolve();
  4791.     })
  4792.  
  4793.     handleDOMAppear('liveChatFrameDOMAppended', (evt) => {
  4794.  
  4795.       let node = evt.target;
  4796.       if (!node) return;
  4797.  
  4798.       let tabsDeferredSess = pageSession.session();
  4799.       if (!scriptEnable && tabsDeferred.resolved) { }
  4800.       else tabsDeferred.debounce(() => {
  4801.  
  4802.         // P.S. avoid immediately dom change
  4803.         // time delay to avoid attribute set after dom appended.
  4804.  
  4805.         if (!tabsDeferredSess.isValid) return;
  4806.         tabsDeferredSess = null;
  4807.  
  4808.         setupChatFrameDOM(node); // front page
  4809.         node = null;
  4810.  
  4811.       })
  4812.  
  4813.     });
  4814.  
  4815.     handleDOMAppear('pageLoaderAnimation', (evt) => {
  4816.       pageRendered = 2;
  4817.       renderDeferred.resolve();
  4818.       console
  4819.       console.debug('[tyt] pageRendered')
  4820.  
  4821.       scriptletDeferred.debounce(() => {
  4822.         document.dispatchEvent(new CustomEvent('tabview-page-rendered'))
  4823.       })
  4824.  
  4825.     });
  4826.  
  4827.  
  4828.     handleDOMAppear('chatFrameToggleBtnAppended1', (evt) => {
  4829.  
  4830.       // _console.log(5099, 'chatFrameToggleBtnAppended', evt)
  4831.  
  4832.       Promise.resolve(0).then(() => { // avoid immediately dom change
  4833.  
  4834.         let tabsDeferredSess = pageSession.session();
  4835.         if (!scriptEnable && tabsDeferred.resolved) { }
  4836.         else tabsDeferred.debounce(() => {
  4837.  
  4838.           if (!tabsDeferredSess.isValid) return;
  4839.           tabsDeferredSess = null;
  4840.  
  4841.           mtf_liveChatBtnF(evt.target);
  4842.  
  4843.         })
  4844.  
  4845.       })
  4846.  
  4847.     });
  4848.  
  4849.  
  4850.     // DEBUG_LOG && handleDOMAppear('chatFrameToggleBtnAppended2', (evt) => {
  4851.  
  4852.     //   _console.log(5099, 'chatFrameToggleBtnAppended', evt)
  4853.  
  4854.  
  4855.     // });
  4856.  
  4857.  
  4858.     handleDOMAppear('epDOMAppended', async (evt) => {
  4859.       try {
  4860.         let node = evt.target;
  4861.  
  4862.         let eps = document.querySelectorAll('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])')
  4863.  
  4864.         if (eps && eps.length > 0) {
  4865.  
  4866.           if (eps.length > 1) {
  4867.             let p = 0;
  4868.             for (const ep of eps) {
  4869.               if (ep !== node) {
  4870.                 ytBtnCloseEngagementPanel(ep)
  4871.                 p++
  4872.               }
  4873.             }
  4874.             if (p > 0) {
  4875.               await Promise.resolve(0)
  4876.             }
  4877.           }
  4878.  
  4879.           FP.mtf_attrEngagementPanel(9, node);
  4880.  
  4881.           Promise.resolve().then(() => {
  4882.  
  4883.             mtoVisibility_EngagementPanel.bindElement(node, {
  4884.               attributes: true,
  4885.               attributeFilter: ['visibility'],
  4886.               attributeOldValue: true
  4887.             })
  4888.  
  4889.             node.removeEventListener('mouseleave', removeFocusOnLeave, false)
  4890.             node.addEventListener('mouseleave', removeFocusOnLeave, false)
  4891.  
  4892.           })
  4893.  
  4894.         }
  4895.  
  4896.  
  4897.       } catch (e) { }
  4898.  
  4899.     })
  4900.  
  4901.     handleDOMAppear('playlistRowDOMSelected', (evt) => {
  4902.       if (!evt) return;
  4903.       let target = evt.target;
  4904.       if (!target) return;
  4905.       let items = nodeParent(target);
  4906.       if (!items || items.id !== 'items') return;
  4907.       let m = /\/watch\?v=[^\&]+\&/.exec(location.href || '')
  4908.       if (!m) return;
  4909.       let s = m[0] + "";
  4910.       if (!s || s.length <= 10) return;
  4911.       let correctAnchor = items.querySelector(`ytd-playlist-panel-video-renderer a[href*="${s}"]`);
  4912.       if (!correctAnchor || target.contains(correctAnchor)) return;
  4913.       let correctRow = correctAnchor.closest('ytd-playlist-panel-video-renderer');
  4914.       if (!correctRow) return;
  4915.       target.removeAttribute('selected');
  4916.       correctRow.setAttribute('selected', '');
  4917.     });
  4918.  
  4919.     let _tabviewSiderAnimated = false;
  4920.  
  4921.     handleDOMAppear('tabviewSiderAnimation', (evt) => {
  4922.       if (!_tabviewSiderAnimated) {
  4923.         _tabviewSiderAnimated = true;
  4924.         dispatchCommentRowResize();
  4925.       }
  4926.     })
  4927.  
  4928.     handleDOMAppear('tabviewSiderAnimationNone', (evt) => {
  4929.       if (_tabviewSiderAnimated) {
  4930.         _tabviewSiderAnimated = false;
  4931.         dispatchCommentRowResize();
  4932.       }
  4933.     })
  4934.  
  4935.     handleDOMAppear('SearchWhileWatchAutocomplete', (evt) => { // Youtube - Search While Watching Video
  4936.       let elm = evt.target;
  4937.       elm.addEventListener('autocomplete-sc-exist', handlerAutoCompleteExist, false)
  4938.       scriptletDeferred.debounce(() => {
  4939.         elm.dispatchEvent(new CustomEvent('tabview-fix-autocomplete'));
  4940.         elm = null;
  4941.       })
  4942.     })
  4943.  
  4944.     handleDOMAppear('oldYtIconPinAppeared', (evt) => {
  4945.       /* added in May 2023 - 2023.05.19 */
  4946.  
  4947.       /*
  4948.       from 
  4949.       <svg style="pointer-events: none; display: block; width: 100%; height: 100%;" focusable="false" width="24" viewBox="0 0 24 24" height="24"><path d="M16 11V3h1V2H7v1h1v8l-2 2v2h5v6l1 1 1-1v-6h5v-2l-2-2zm1 3H7v-.59l1.71-1.71.29-.29V3h6v8.41l.29.29L17 13.41V14z"></path></svg> 
  4950.  
  4951.       to 
  4952. <svg viewBox="0 0 12 12" preserveAspectRatio="xMidYMid meet" focusable="false" class="style-scope yt-icon" style="pointer-events: none; display: block; width: 100%; height: 100%;"><g class="style-scope yt-icon"><path d="M8,2V1H3v1h1v3.8L3,7h2v2.5L5.5,10L6,9.5V7h2L7,5.8V2H8z M6,6H5V2h1V6z" class="style-scope yt-icon"></path></g></svg>
  4953.  
  4954. */
  4955.  
  4956.       let svg = evt.target;
  4957.       let p = document.createElement('template');
  4958.       p.innerHTML = '<svg viewBox="0 0 12 12" preserveAspectRatio="xMidYMid meet" focusable="false" class="style-scope yt-icon" style="pointer-events: none; display: block; width: 100%; height: 100%;"><g class="style-scope yt-icon"><path d="M8,2V1H3v1h1v3.8L3,7h2v2.5L5.5,10L6,9.5V7h2L7,5.8V2H8z M6,6H5V2h1V6z" class="style-scope yt-icon"></path></g></svg>';
  4959.       svg.replaceWith(p.content.firstChild);
  4960.  
  4961.  
  4962.     })
  4963.  
  4964.     const renderStamperFunc = {
  4965.       'YTD-PLAYLIST-PANEL-RENDERER': (node) => {
  4966.         mtf_append_playlist(node); // the true playlist is appended to the #tab-list
  4967.         checkPlaylistForInitialization();
  4968.       },
  4969.       'YTD-COMMENTS-HEADER-RENDERER': (node) => {
  4970.         comments_loader = comments_loader | 4;
  4971.         getFinalComments();
  4972.       }
  4973.     }
  4974.  
  4975.     globalHook('yt-rendererstamper-finished', (evt) => {
  4976.  
  4977.       if (!scriptEnable && tabsDeferred.resolved) { return }
  4978.       // might occur before initialization
  4979.  
  4980.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  4981.  
  4982.       let node = evt.target;
  4983.       const nodeName = node.nodeName.toUpperCase();
  4984.       const func = renderStamperFunc[nodeName];
  4985.  
  4986.       if (typeof func !== 'function') {
  4987.         return;
  4988.       }
  4989.  
  4990.  
  4991.       let tabsDeferredSess = pageSession.session();
  4992.       if (!scriptEnable && tabsDeferred.resolved) { }
  4993.       else tabsDeferred.debounce(() => {
  4994.  
  4995.         if (!tabsDeferredSess.isValid) return;
  4996.         tabsDeferredSess = null;
  4997.  
  4998.         func(node);
  4999.         node = null;
  5000.  
  5001.       });
  5002.  
  5003.  
  5004.     });
  5005.  
  5006.     if (REMOVE_DUPLICATE_INFO) {
  5007.  
  5008.       handleDOMAppear('deferredDuplicatedMetaChecker', (evt) => {
  5009.  
  5010.         removeDuplicateInfoFn();
  5011.  
  5012.       });
  5013.  
  5014.     }
  5015.  
  5016.     globalHook('yt-page-data-updated', (evt) => {
  5017.  
  5018.       if (!scriptEnable && tabsDeferred.resolved) { return }
  5019.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5020.  
  5021.       // _console.log(evt.target.nodeName, 904, evt.type);
  5022.  
  5023.       advanceFetch();
  5024.  
  5025.       let tabsDeferredSess = pageSession.session();
  5026.       if (!scriptEnable && tabsDeferred.resolved) { }
  5027.       else tabsDeferred.debounce(() => {
  5028.  
  5029.         if (!tabsDeferredSess.isValid) return;
  5030.         tabsDeferredSess = null;
  5031.  
  5032.         if (!scriptEnable) return;
  5033.  
  5034.         checkAndMakeNewCommentFetch();
  5035.  
  5036.  
  5037.         // if the page is navigated by history back-and-forth, not all engagement panels can be catched in rendering event.
  5038.  
  5039.  
  5040.  
  5041.         // _console.log(2178, 3)
  5042.         pageCheck();
  5043.         setupChatFrameDOM(null);
  5044.  
  5045.         let expander = document.querySelector('#meta-contents ytd-expander:not([tabview-expander-checked])');
  5046.         if (expander) {
  5047.  
  5048.           // once per $$native-info-description$$ {#meta-contents ytd-expander} detection
  5049.           // append the detailed meta contents to the tab-info
  5050.  
  5051.           expander.setAttribute('tabview-expander-checked', '');
  5052.           let tabInfo = document.querySelector("#tab-info");
  5053.           if (tabInfo) {
  5054.             elementAppend.call(tabInfo, expander);
  5055.           }
  5056.  
  5057.         }
  5058.  
  5059.  
  5060.         if (REMOVE_DUPLICATE_INFO) {
  5061.  
  5062.           // removeDuplicateInfoFn();
  5063.  
  5064.         } else {
  5065.  
  5066.           checkDuplicatedInfo_then(0, null);
  5067.  
  5068.         }
  5069.  
  5070.         function contentExtractor(elm) {
  5071.           if (!(elm instanceof HTMLElement)) {
  5072.             return null;
  5073.           }
  5074.           let m = elm.textContent;
  5075.           let isEmpty = m.trim().length === 0;
  5076.           if (isEmpty) return null;
  5077.           let s = elm.nodeName;
  5078.           let id = elm.id;
  5079.           if (id) s += '#' + id;
  5080.           return s + '\n' + m;
  5081.         }
  5082.  
  5083.         if (REMOVE_DUPLICATE_META_RECOMMENDATION) {
  5084.  
  5085.           async function checkDuplicatedMetaRecommendation() {
  5086.             let mainContent0 = document.querySelector('#primary.ytd-watch-flexy #above-the-fold.ytd-watch-metadata');
  5087.             let mainContent1 = document.querySelector('#tab-info ytd-expander > #content');
  5088.             if (mainContent0 && mainContent1) {
  5089.               const hashedContents = new Set();
  5090.               for (let s1 = elementNextSibling(mainContent1); s1 instanceof HTMLElement; s1 = elementNextSibling(s1)) {
  5091.                 let m = contentExtractor(s1);
  5092.                 if (m === null) continue;
  5093.                 hashedContents.add(m);
  5094.               }
  5095.  
  5096.               for (let s0 = elementNextSibling(mainContent0); s0 instanceof HTMLElement; s0 = elementNextSibling(s0)) {
  5097.                 let m = contentExtractor(s0);
  5098.                 if (m !== null && hashedContents.has(m)) {
  5099.                   s0.classList.add('tyt-hidden-duplicated-meta');
  5100.                 } else {
  5101.                   s0.classList.remove('tyt-hidden-duplicated-meta');
  5102.                 }
  5103.               }
  5104.               hashedContents.clear();
  5105.             }
  5106.           }
  5107.  
  5108.           let ks = renderIdentifier;
  5109.           renderDeferred.debounce(() => {
  5110.             if (ks !== renderIdentifier) return
  5111.             checkDuplicatedMetaRecommendation();
  5112.           })
  5113.  
  5114.         }
  5115.  
  5116.  
  5117.  
  5118.         let renderId = renderIdentifier
  5119.         renderDeferred.debounce(() => {
  5120.           if (renderId !== renderIdentifier) return
  5121.           // domInit_teaserInfo() // YouTube obsoleted feature? 
  5122.  
  5123.           let h1 = document.querySelector('#below h1.ytd-watch-metadata yt-formatted-string')
  5124.           if (h1) {
  5125.  
  5126.  
  5127.             let s = '';
  5128.  
  5129.             try {
  5130.               if (formatDates && Object.keys(formatDates).length > 0) {
  5131.  
  5132.                 function getDurationInfo(bd1, bd2) {
  5133.  
  5134.                   let bdd = bd2 - bd1
  5135.                   let hrs = Math.floor(bdd / 3600000)
  5136.                   bdd = bdd - hrs * 3600000
  5137.                   let mins = Math.round(bdd / 60000)
  5138.                   let seconds = null
  5139.                   if (mins < 10 && hrs === 0) {
  5140.                     mins = Math.floor(bdd / 60000)
  5141.                     bdd = bdd - mins * 60000
  5142.                     seconds = Math.round(bdd / 1000)
  5143.                     if (seconds === 0) seconds = null
  5144.                   }
  5145.  
  5146.                   return { hrs, mins, seconds }
  5147.  
  5148.                 }
  5149.  
  5150.                 const formatDateResult = getFormatDateResultFunc();
  5151.  
  5152.                 if (formatDates.broadcastBeginAt && formatDates.isLiveNow === false) {
  5153.  
  5154.                   let bd1 = new KDate(formatDates.broadcastBeginAt)
  5155.                   let bd2 = formatDates.broadcastEndAt ? new KDate(formatDates.broadcastEndAt) : null
  5156.  
  5157.                   let isSameDay = 0
  5158.                   if (bd2 && bd1.toLocaleDateString() === bd2.toLocaleDateString()) {
  5159.                     isSameDay = 1
  5160.  
  5161.                   } else if (bd2 && +bd2 > +bd1 && bd2 - bd1 < 86400000) {
  5162.  
  5163.                     if (bd1.getHours() >= 6 && bd2.getHours() < 6) {
  5164.                       isSameDay = 2
  5165.                     }
  5166.  
  5167.                   }
  5168.  
  5169.                   let durationInfo = getDurationInfo(bd1, bd2)
  5170.                   if (isSameDay > 0) {
  5171.  
  5172.                     bd2.dayBack = (isSameDay === 2)
  5173.  
  5174.                     s = formatDateResult(0x200, { bd1, bd2, isSameDay, durationInfo, formatDates })
  5175.  
  5176.                   } else if (bd2 && isSameDay === 0) {
  5177.  
  5178.                     s = formatDateResult(0x210, { bd1, bd2, isSameDay, durationInfo, formatDates })
  5179.  
  5180.                   }
  5181.  
  5182.  
  5183.                 } else if (formatDates.broadcastBeginAt && formatDates.isLiveNow === true) {
  5184.  
  5185.                   let bd1 = new KDate(formatDates.broadcastBeginAt)
  5186.  
  5187.                   s = formatDateResult(0x300, { bd1, formatDates })
  5188.  
  5189.                 } else {
  5190.                   if (formatDates.uploadDate) {
  5191.  
  5192.                     if (formatDates.publishDate && formatDates.publishDate !== formatDates.uploadDate) {
  5193.  
  5194.                       s = formatDateResult(0x600, { formatDates })
  5195.                     } else {
  5196.                       s = formatDateResult(0x610, { formatDates })
  5197.  
  5198.                     }
  5199.                   } else if (!formatDates.uploadDate && formatDates.publishDate) {
  5200.  
  5201.                     s = formatDateResult(0x700, { formatDates })
  5202.  
  5203.  
  5204.                   }
  5205.                 }
  5206.  
  5207.  
  5208.               }
  5209.             } catch (e) {
  5210.               s = '';
  5211.             }
  5212.  
  5213.             if (s) {
  5214.               h1.setAttribute('data-title-details', s)
  5215.             } else {
  5216.               h1.removeAttribute('data-title-details')
  5217.             }
  5218.  
  5219.           }
  5220.  
  5221.         })
  5222.  
  5223.  
  5224.         checkPlaylistForInitialization();
  5225.  
  5226.         mtf_fix_details().then(() => {
  5227.           setToggleInfo();
  5228.           renderDeferred.debounce(() => {
  5229.             if (renderId !== renderIdentifier) return
  5230.             setTimeout(() => {
  5231.               //dispatchWindowResize(); //try to omit
  5232.               dispatchWindowResize(); //add once for safe
  5233.               manualResizeT();
  5234.             }, 420)
  5235.           })
  5236.  
  5237.  
  5238.           let secondary = document.querySelector('#columns.ytd-watch-flexy #secondary.ytd-watch-flexy');
  5239.  
  5240.           let columns = secondary ? closestDOM.call(secondary, '#columns.ytd-watch-flexy') : null;
  5241.  
  5242.           setupHoverSlider(secondary, columns)
  5243.  
  5244.           let tabInfo = document.querySelector('#tab-info');
  5245.           addTabExpander(tabInfo);
  5246.  
  5247.           let tabComments = document.querySelector('#tab-comments');
  5248.           addTabExpander(tabComments);
  5249.  
  5250.  
  5251.         });
  5252.  
  5253.  
  5254.       });
  5255.  
  5256.     });
  5257.  
  5258.  
  5259.     globalHook('yt-watch-comments-ready', (evt) => {
  5260.  
  5261.       if (!scriptEnable && tabsDeferred.resolved) { return }
  5262.       if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5263.  
  5264.       let nodeName = evt.target.nodeName.toUpperCase()
  5265.       advanceFetch();
  5266.  
  5267.       comments_loader = comments_loader | 2;
  5268.  
  5269.       let tabsDeferredSess = pageSession.session();
  5270.       if (!scriptEnable && tabsDeferred.resolved) { }
  5271.       else tabsDeferred.debounce(() => {
  5272.  
  5273.         if (!tabsDeferredSess.isValid) return;
  5274.         tabsDeferredSess = null;
  5275.  
  5276.         checkAndMakeNewCommentFetch();
  5277.  
  5278.         if (nodeName === 'YTD-WATCH-FLEXY') {
  5279.           domInit_comments();
  5280.           onCommentsReady();
  5281.         }
  5282.       });
  5283.  
  5284.     })
  5285.  
  5286.  
  5287.     window.addEventListener("message", (evt) => {
  5288.       if (!scriptEnable && tabsDeferred.resolved) { return }
  5289.       if (evt.origin === location.origin && evt.data.tabview) {
  5290.         let data = evt.data.tabview;
  5291.         if (data.eventType === "yt-page-type-changed") {
  5292.           let detail = data.eventDetail
  5293.           let { newPageType, oldPageType } = detail;
  5294.           if (newPageType && oldPageType) {
  5295.             let bool = false;
  5296.             if (newPageType == 'ytd-watch-flexy') {
  5297.               bool = true;
  5298.               pageType = 'watch';
  5299.             } else if (newPageType == 'ytd-browse') {
  5300.               pageType = 'browse';
  5301.             }
  5302.             document.documentElement.classList.toggle('tabview-normal-player', bool)
  5303.           }
  5304.         }
  5305.       }
  5306.     }, bubblePassive);
  5307.  
  5308.  
  5309.     globalHook('data-changed', (evt) => {
  5310.  
  5311.       if (!scriptEnable && tabsDeferred.resolved) { return }
  5312.  
  5313.       let nodeName = (((evt || 0).target || 0).nodeName || '').toUpperCase()
  5314.  
  5315.       if (nodeName !== 'YTD-THUMBNAIL-OVERLAY-TOGGLE-BUTTON-RENDERER') return;
  5316.  
  5317.       document.dispatchEvent(new CustomEvent("tabview-fix-popup-refit"));
  5318.  
  5319.     });
  5320.  
  5321.  
  5322.     // DEBUG_LOG && globalHook('yt-rendererstamper-finished', (evt) => {
  5323.  
  5324.     //   if (!scriptEnable && tabsDeferred.resolved) { return }
  5325.     //   // might occur before initialization
  5326.  
  5327.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5328.  
  5329.     //   const nodeName = evt.target.nodeName.toUpperCase();
  5330.  
  5331.     //   //  const S_GENERAL_RENDERERS = ['YTD-TOGGLE-BUTTON-RENDERER','YTD-MENU-RENDERER']
  5332.     //   if (S_GENERAL_RENDERERS.includes(nodeName)) {
  5333.     //     return;
  5334.     //   }
  5335.  
  5336.     //   // _console.log(evt.target.nodeName, 904, evt.type, evt.detail);
  5337.  
  5338.     // });
  5339.  
  5340.     // DEBUG_LOG && globalHook('data-changed', (evt) => {
  5341.  
  5342.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5343.  
  5344.     //   let nodeName = evt.target.nodeName.toUpperCase()
  5345.     //   // _console.log(nodeName, evt.type)
  5346.  
  5347.     //   if (nodeName === 'YTD-ITEM-SECTION-RENDERER' || nodeName === 'YTD-COMMENTS') {
  5348.  
  5349.     //     _console.log(344)
  5350.  
  5351.     //   }
  5352.  
  5353.     // })
  5354.  
  5355.     // DEBUG_LOG && globalHook('yt-navigate', (evt) => {
  5356.  
  5357.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5358.     //   _console.log(evt.target.nodeName, evt.type)
  5359.  
  5360.     // })
  5361.  
  5362.     // DEBUG_LOG && globalHook('ytd-playlist-lockup-now-playing-active', (evt) => {
  5363.  
  5364.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5365.     //   _console.log(evt.target.nodeName, evt.type)
  5366.  
  5367.  
  5368.     // })
  5369.  
  5370.     // DEBUG_LOG && globalHook('yt-service-request-completed', (evt) => {
  5371.  
  5372.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5373.     //   _console.log(evt.target.nodeName, evt.type)
  5374.  
  5375.  
  5376.     // })
  5377.  
  5378.     // DEBUG_LOG && globalHook('yt-commerce-action-done', (evt) => {
  5379.  
  5380.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5381.     //   _console.log(evt.target.nodeName, evt.type)
  5382.  
  5383.  
  5384.     // })
  5385.  
  5386.     // DEBUG_LOG && globalHook('yt-execute-service-endpoint', (evt) => {
  5387.  
  5388.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5389.     //   _console.log(evt.target.nodeName, evt.type)
  5390.  
  5391.  
  5392.     // })
  5393.  
  5394.  
  5395.     // DEBUG_LOG && globalHook('yt-request-panel-mode-change', (evt) => {
  5396.  
  5397.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5398.     //   _console.log(evt.target.nodeName, evt.type)
  5399.  
  5400.  
  5401.     // })
  5402.  
  5403.  
  5404.     // DEBUG_LOG && globalHook('yt-visibility-refresh', (evt) => {
  5405.  
  5406.     //   if (!evt || !evt.target /*|| evt.target.nodeType !== 1*/) return;
  5407.     //   _console.log(evt.target.nodeName || '', evt.type)
  5408.  
  5409.     //   const ytdFlexyElm = es.ytdFlexy;
  5410.     //   _console.log(2784, evt.type, (ytdFlexyElm ? ytdFlexyElm.hasAttribute('hidden') : null), evt.detail)
  5411.  
  5412.     //   _console.log(evt.detail)
  5413.  
  5414.  
  5415.     // })
  5416.  
  5417.     // DEBUG_LOG && globalHook('yt-request-panel-mode-change', (evt) => {
  5418.  
  5419.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5420.     //   _console.log(evt.target.nodeName, evt.type)
  5421.  
  5422.  
  5423.     // })
  5424.  
  5425.     // DEBUG_LOG && globalHook('app-reset-layout', (evt) => {
  5426.  
  5427.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5428.     //   _console.log(evt.target.nodeName, evt.type)
  5429.  
  5430.  
  5431.     // })
  5432.     // DEBUG_LOG && globalHook('yt-guide-close', (evt) => {
  5433.  
  5434.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5435.     //   _console.log(evt.target.nodeName, evt.type)
  5436.  
  5437.  
  5438.     // })
  5439.     // DEBUG_LOG && globalHook('yt-page-data-will-change', (evt) => {
  5440.  
  5441.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5442.     //   _console.log(evt.target.nodeName, evt.type)
  5443.  
  5444.  
  5445.     // })
  5446.  
  5447.     // DEBUG_LOG && globalHook('yt-retrieve-location', (evt) => {
  5448.  
  5449.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5450.     //   _console.log(evt.target.nodeName, evt.type)
  5451.  
  5452.  
  5453.     // })
  5454.  
  5455.     // DEBUG_LOG && globalHook('yt-refit', (evt) => {
  5456.  
  5457.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5458.     //   _console.log(evt.target.nodeName, evt.type)
  5459.  
  5460.     // })
  5461.  
  5462.     // DEBUG_LOG && globalHook('addon-attached', (evt) => {
  5463.  
  5464.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5465.     //   _console.log(evt.target.nodeName, evt.type)
  5466.  
  5467.     // })
  5468.  
  5469.     // DEBUG_LOG && globalHook('yt-live-chat-context-menu-opened', (evt) => {
  5470.  
  5471.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5472.     //   _console.log(evt.target.nodeName, evt.type)
  5473.  
  5474.     // })
  5475.  
  5476.     // DEBUG_LOG && globalHook('yt-live-chat-context-menu-closed', (evt) => {
  5477.  
  5478.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5479.     //   _console.log(evt.target.nodeName, evt.type)
  5480.  
  5481.     // })
  5482.  
  5483.     // DEBUG_LOG && globalHook('yt-commentbox-resize', (evt) => {
  5484.  
  5485.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5486.     //   _console.log(evt.target.nodeName, evt.type)
  5487.     // })
  5488.  
  5489.     // DEBUG_LOG && globalHook('yt-rich-grid-layout-refreshed', (evt) => {
  5490.  
  5491.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5492.     //   _console.log(2327, evt.target.nodeName, evt.type)
  5493.     // })
  5494.  
  5495.     // DEBUG_LOG && globalHook('animationend', (evt) => {
  5496.  
  5497.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5498.     //   _console.log(evt.target.nodeName, evt.type)
  5499.  
  5500.  
  5501.     // })
  5502.  
  5503.     // DEBUG_LOG && globalHook('yt-dismissible-item-dismissed', (evt) => {
  5504.  
  5505.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5506.     //   _console.log(evt.target.nodeName, evt.type)
  5507.  
  5508.  
  5509.     // })
  5510.  
  5511.     // DEBUG_LOG && globalHook('yt-dismissible-item-undismissed', function (evt) {
  5512.  
  5513.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5514.     //   _console.log(evt.target.nodeName, evt.type)
  5515.  
  5516.  
  5517.     // })
  5518.  
  5519.  
  5520.     // DEBUG_LOG && globalHook('yt-load-next-continuation', function (evt) {
  5521.  
  5522.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5523.     //   _console.log(evt.target.nodeName, evt.type)
  5524.  
  5525.  
  5526.     // })
  5527.  
  5528.  
  5529.     // DEBUG_LOG && globalHook('yt-load-reload-continuation', function (evt) {
  5530.  
  5531.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5532.     //   _console.log(evt.target.nodeName, evt.type)
  5533.  
  5534.  
  5535.     // })
  5536.  
  5537.     // DEBUG_LOG && globalHook('yt-toggle-button', function (evt) {
  5538.  
  5539.     //   if (!evt || !evt.target || evt.target.nodeType !== 1) return;
  5540.     //   _console.log(evt.target.nodeName, evt.type)
  5541.  
  5542.  
  5543.     // })
  5544.  
  5545.  
  5546.   }
  5547.  
  5548.  
  5549.   function chatFrameContentDocument() {
  5550.     // non-null if iframe exist && contentDocument && readyState = complete
  5551.     /** @type {HTMLIFrameElement | null} */
  5552.     let iframe = document.querySelector('ytd-live-chat-frame iframe#chatframe');
  5553.     if (!iframe) return null; //iframe must be there
  5554.     /** @type {Document | null} */
  5555.     let cDoc = null;
  5556.     try {
  5557.       cDoc = iframe.contentDocument;
  5558.     } catch (e) { }
  5559.     if (!cDoc) return null;
  5560.     if (cDoc.readyState != 'complete') return null; //we must wait for its completion
  5561.  
  5562.     return cDoc;
  5563.  
  5564.   }
  5565.  
  5566.   function chatFrameElement(/** @type {string} */ cssSelector) {
  5567.     let cDoc = chatFrameContentDocument();
  5568.     if (!cDoc) return null;
  5569.     /** @type {HTMLElement | null} */
  5570.     let elm = null;
  5571.     try {
  5572.       elm = cDoc.querySelector(cssSelector)
  5573.     } catch (e) {
  5574.       console.log('iframe error', e)
  5575.     }
  5576.     return elm;
  5577.   }
  5578.  
  5579.   let iframeLoadHookA_id = 0
  5580.  
  5581.   const iframeLoadHookA = async function (evt) {
  5582.  
  5583.     const isIframe = (((evt || 0).target || 0).nodeName === 'IFRAME');
  5584.     const iframe = isIframe ? evt.target : null;
  5585.  
  5586.     if (iframe && iframe.matches('body iframe.style-scope.ytd-live-chat-frame#chatframe')) {
  5587.     } else {
  5588.       return;
  5589.     }
  5590.  
  5591.  
  5592.     const chat = HTMLElement.prototype.closest.call(iframe, 'ytd-live-chat-frame#chat');
  5593.  
  5594.     // console.log('chat', chat)
  5595.     if (!chat) return;
  5596.  
  5597.     if (iframe.isConnected !== true) return;
  5598.  
  5599.     // dpeChatRefreshCounter++; // optional ?
  5600.  
  5601.     if (chat.hasAttribute('collapsed')) return;
  5602.     console.debug('[tyt.iframe] loaded 01')
  5603.  
  5604.     const tid = ++iframeLoadHookA_id;
  5605.  
  5606.     const cDoc = await new Promise((resolve) => {
  5607.  
  5608.       let timeoutCount = 80;
  5609.       let cid = 0;
  5610.       const tf = () => {
  5611.         if (tid !== iframeLoadHookA_id || --timeoutCount < 0) {
  5612.           resolve && resolve(null);
  5613.           resolve = null;
  5614.           cid && clearInterval(cid);
  5615.           cid = 0;
  5616.         }
  5617.         let cDoc = false;
  5618.         try {
  5619.           cDoc = iframe.contentDocument;
  5620.         } catch (e) {
  5621.         }
  5622.         if (!cDoc) return;
  5623.         if (cDoc.readyState === 'loading') return;
  5624.         if (!cDoc.body) return;
  5625.  
  5626.         resolve && resolve(cDoc);
  5627.         resolve = null;
  5628.         cid && clearInterval(cid);
  5629.         cid = 0;
  5630.  
  5631.       }
  5632.       tf();
  5633.       if (resolve !== null) {
  5634.         cid = setInterval(tf, 17);
  5635.       }
  5636.  
  5637.  
  5638.     }).catch(console.warn);
  5639.  
  5640.     // console.log('cDoc', cDoc)
  5641.     if (tid !== iframeLoadHookA_id) return;
  5642.     if (!cDoc) {
  5643.       return;
  5644.     }
  5645.  
  5646.     if (cDoc.readyState === 'loading') return;
  5647.  
  5648.  
  5649.     const contentElement = (cDoc.body || 0).firstElementChild;
  5650.  
  5651.     // const currentPopupBtn = HTMLElement.prototype.querySelector.call(chat, 'tyt-iframe-popup-btn');
  5652.     // if(currentPopupBtn) currentPopupBtn.classList.remove('tyt-btn-enabled');
  5653.  
  5654.     if (contentElement && !chat.hasAttribute('collapsed') && iframe.isConnected === true) {
  5655.  
  5656.       if (!scriptEnable || !isChatExpand()) return; // v4.13.19 - scriptEnable = true in background
  5657.       if (!(iframe instanceof HTMLIFrameElement) || iframe.isConnected !== true) return; //prevent iframe is detached from the page
  5658.       let isCorrectDoc = false;
  5659.       try {
  5660.         isCorrectDoc = iframe.contentDocument === cDoc;
  5661.       } catch (e) { }
  5662.       if (isCorrectDoc) {
  5663.         let chatFrame = HTMLElement.prototype.closest.call(iframe, 'ytd-live-chat-frame#chat');
  5664.         if (chatFrame) {
  5665.           console.debug('[tyt.iframe] loaded 02')
  5666.           chatFrame.setAttribute('tyt-iframe-loaded', '');
  5667.           dpeIframeReady(chatFrame);
  5668.         }
  5669.       }
  5670.  
  5671.     } else if (!contentElement && !chat.hasAttribute('collapsed') && iframe.isConnected === true) {
  5672.  
  5673.       // e.g. when restore from mini view to watch page
  5674.  
  5675.       dpeFixUrlChatWhenOnloadWithEmptyBody(chat);
  5676.  
  5677.     }
  5678.  
  5679.  
  5680.   }
  5681.  
  5682.   async function restorePIPforStickyHead() {
  5683.     // after a trusted user action, PIP can be cancelled.
  5684.     // this is to ensure enterPIP can be re-excecuted
  5685.  
  5686.     if (isMiniviewForStickyHeadEnabled && !isStickyHeaderEnabled && userActivation) {
  5687.       userActivation = false;
  5688.       exitPIP();
  5689.     }
  5690.   }
  5691.  
  5692.   let videosDeferred = new Deferred();
  5693.  
  5694.   let _navigateLoadDT = 0;
  5695.  
  5696.   function delayedClickHandler() {
  5697.  
  5698.     if (isMiniviewForStickyHeadEnabled && !isStickyHeaderEnabled) {
  5699.       restorePIPforStickyHead();
  5700.     } else if (!isMiniviewForStickyHeadEnabled && isStickyHeaderEnabled && typeof IntersectionObserver == 'function') {
  5701.       enablePIPforStickyHead();
  5702.     }
  5703.  
  5704.   }
  5705.  
  5706.   function convertDefaultTabFromTmpToFinal(myDefaultTab_tmp) {
  5707.  
  5708.     let myDefaultTab_final = null
  5709.     if (myDefaultTab_tmp && typeof myDefaultTab_tmp === 'string' && /^\#[a-zA-Z\_\-\+]+$/.test(myDefaultTab_tmp)) {
  5710.       if (document.querySelector(`.tab-btn[tyt-tab-content="${myDefaultTab_tmp}"]`)) myDefaultTab_final = myDefaultTab_tmp;
  5711.     }
  5712.  
  5713.     return myDefaultTab_final;
  5714.   }
  5715.  
  5716.   function getConfiguredDefaultTab(store) {
  5717.     let myDefaultTab;
  5718.     if (defaultTabByUserCSS === 1) {
  5719.       myDefaultTab = '#tab-info';
  5720.     } else if (defaultTabByUserCSS === 2) {
  5721.       myDefaultTab = '#tab-comments';
  5722.     } else if (defaultTabByUserCSS === 3) {
  5723.       myDefaultTab = '#tab-videos';
  5724.     } else {
  5725.       store = store || getStore();
  5726.       myDefaultTab = store[key_default_tab];
  5727.     }
  5728.     return myDefaultTab;
  5729.   }
  5730.  
  5731.   function setupTabBtns() {
  5732.  
  5733.     const materialTab = document.querySelector("#material-tabs")
  5734.     if (!materialTab) return;
  5735.  
  5736.     if (tabsUiScript_setclick) return;
  5737.     tabsUiScript_setclick = true;
  5738.  
  5739.     let fontSizeBtnClick = null;
  5740.  
  5741.     materialTab.addEventListener('click', function (evt) {
  5742.  
  5743.       if (!evt.isTrusted) return; // prevent call from background
  5744.  
  5745.       if (isMiniviewForStickyHeadEnabled) {
  5746.         setTimeout(delayedClickHandler, 80);
  5747.       } else if (!isMiniviewForStickyHeadEnabled && isStickyHeaderEnabled && typeof IntersectionObserver == 'function') {
  5748.         setTimeout(delayedClickHandler, 80);
  5749.       }
  5750.       let dom = evt.target;
  5751.       if ((dom || 0).nodeType !== 1) return;
  5752.  
  5753.       const domInteraction = dom.getAttribute('tyt-di');
  5754.       if (domInteraction === 'q9Kjc') {
  5755.         handlerMaterialTabClick.call(dom, evt)
  5756.       } else if (domInteraction === '8rdLQ') {
  5757.         fontSizeBtnClick.call(dom, evt)
  5758.       }
  5759.  
  5760.  
  5761.  
  5762.     }, true)
  5763.  
  5764.     function updateCSS_fontsize(store) {
  5765.  
  5766.       if (!store) return;
  5767.  
  5768.       const ytdFlexyElm = es.ytdFlexy;
  5769.       if (ytdFlexyElm) {
  5770.         if (store['font-size-#tab-info']) ytdFlexyElm.style.setProperty('--ut2257-info', store['font-size-#tab-info'])
  5771.         if (store['font-size-#tab-comments']) ytdFlexyElm.style.setProperty('--ut2257-comments', store['font-size-#tab-comments'])
  5772.         if (store['font-size-#tab-videos']) ytdFlexyElm.style.setProperty('--ut2257-videos', store['font-size-#tab-videos'])
  5773.         if (store['font-size-#tab-list']) ytdFlexyElm.style.setProperty('--ut2257-list', store['font-size-#tab-list'])
  5774.         document.dispatchEvent(new CustomEvent("tabview-zoom-updated"));
  5775.       }
  5776.  
  5777.     }
  5778.  
  5779.     fontSizeBtnClick = function (evt) {
  5780.  
  5781.       evt.preventDefault();
  5782.       evt.stopPropagation();
  5783.       evt.stopImmediatePropagation();
  5784.  
  5785.       /** @type {HTMLElement | null} */
  5786.       let dom = evt.target;
  5787.       if (!dom) return;
  5788.  
  5789.       let value = dom.classList.contains('font-size-plus') ? 1 : dom.classList.contains('font-size-minus') ? -1 : 0;
  5790.  
  5791.       let active_tab_content = closestDOM.call(dom, '[tyt-tab-content]').getAttribute('tyt-tab-content');
  5792.  
  5793.       let store = getStore();
  5794.       let settingKey = `font-size-${active_tab_content}`
  5795.       if (!store[settingKey]) store[settingKey] = 1.0;
  5796.       if (value < 0) store[settingKey] -= 0.05;
  5797.       else if (value > 0) store[settingKey] += 0.05;
  5798.       if (store[settingKey] < 0.1) store[settingKey] = 0.1;
  5799.       else if (store[settingKey] > 10) store[settingKey] = 10.0;
  5800.       setStore(store);
  5801.  
  5802.       store = getStore();
  5803.       updateCSS_fontsize(store);
  5804.  
  5805.     }
  5806.  
  5807.     function loadDefaultTabBtnSettingToMem(store) {
  5808.       let myDefaultTab = getConfiguredDefaultTab(store);
  5809.       myDefaultTab = myDefaultTab ? convertDefaultTabFromTmpToFinal(myDefaultTab) : null;
  5810.       if (myDefaultTab) {
  5811.         settings.defaultTab = myDefaultTab;
  5812.       }
  5813.     }
  5814.  
  5815.     let store = getStore();
  5816.     updateCSS_fontsize(store);
  5817.     loadDefaultTabBtnSettingToMem(store);
  5818.     setupDefaultTabBtnSetting = function () {
  5819.       let myDefaultTab = getConfiguredDefaultTab();
  5820.       myDefaultTab = myDefaultTab ? convertDefaultTabFromTmpToFinal(myDefaultTab) : null;
  5821.       if (myDefaultTab) {
  5822.         settings.defaultTab = myDefaultTab;
  5823.       } else {
  5824.         settings.defaultTab = SETTING_DEFAULT_TAB_0;
  5825.       }
  5826.     }
  5827.  
  5828.   }
  5829.  
  5830.   function setMyDefaultTab(myDefaultTab) {
  5831.     myDefaultTab = convertDefaultTabFromTmpToFinal(myDefaultTab);
  5832.     let store = getStore();
  5833.     if (myDefaultTab) {
  5834.       store[key_default_tab] = myDefaultTab;
  5835.       settings.defaultTab = myDefaultTab;
  5836.     } else {
  5837.       delete store[key_default_tab];
  5838.       settings.defaultTab = SETTING_DEFAULT_TAB_0;
  5839.     }
  5840.     setStore(store);
  5841.   }
  5842.  
  5843.   document.addEventListener('tabview-setMyDefaultTab', function (evt) {
  5844.  
  5845.     let myDefaultTab_tmp = ((evt || 0).detail || 0).myDefaultTab
  5846.  
  5847.     setMyDefaultTab(myDefaultTab_tmp)
  5848.  
  5849.   }, false)
  5850.  
  5851.   function loadFrameHandler(evt) {
  5852.     let target = (evt || 0).target;
  5853.     if (target instanceof HTMLIFrameElement && target.id === 'chatframe') {
  5854.       fixLiveChatToggleButtonDispatchEvent();
  5855.     }
  5856.   }
  5857.  
  5858.   async function onNavigationEndAsync(isPageFirstLoaded) {
  5859.  
  5860.     if (pageType !== 'watch') return;
  5861.  
  5862.     let tdt = Date.now();
  5863.     _navigateLoadDT = tdt;
  5864.  
  5865.     // avoid blocking the page when youtube is initializing the page
  5866.     const promiseDelay = getRAFPromise().then();
  5867.     const promiseVideoRendered = videosDeferred.d();
  5868.  
  5869.     const verifyPageState = () => {
  5870.       if (_navigateLoadDT !== tdt) {
  5871.         return -400;
  5872.       }
  5873.       if (ytEventSequence !== 3) {
  5874.         return -200;
  5875.       }
  5876.  
  5877.       const ytdFlexyElm = document.querySelector('ytd-watch-flexy')
  5878.  
  5879.       if (!ytdFlexyElm) {
  5880.         ytdFlexy = null;
  5881.         return -100;
  5882.       } else {
  5883.         ytdFlexy = mWeakRef(ytdFlexyElm);
  5884.         return 0;
  5885.       }
  5886.  
  5887.  
  5888.     }
  5889.  
  5890.     let pgState = verifyPageState();
  5891.     if (pgState < 0) return;
  5892.  
  5893.     let scriptEnableTemp = scriptEnable;
  5894.     scriptEnable = true; // avoid locking the other parts of script (see v4.13.19)
  5895.     await Promise.all([promiseVideoRendered, promiseDelay]);
  5896.     pgState = verifyPageState();
  5897.     if (pgState < 0) {
  5898.       scriptEnable = scriptEnableTemp;
  5899.       if (!ytdFlexy) scriptEnable = false;
  5900.       return;
  5901.     }
  5902.     pgState = null;
  5903.     const ytdFlexyElm = kRef(ytdFlexy);
  5904.  
  5905.     if (!ytdFlexyElm) {
  5906.       ytdFlexy = null;
  5907.       scriptEnable = false;
  5908.       return;
  5909.     }
  5910.  
  5911.     fixLiveChatToggleButtonDispatchEvent();
  5912.     document.removeEventListener('load', loadFrameHandler, true);
  5913.     document.addEventListener('load', loadFrameHandler, true);
  5914.  
  5915.     const related = querySelectorFromAnchor.call(ytdFlexyElm, "#related.ytd-watch-flexy");
  5916.     if (!related) return;
  5917.  
  5918.     // isPageFirstLoaded && console.time("Tabview Youtube Render")
  5919.  
  5920.     if (!document.querySelector("#right-tabs")) {
  5921.       getLangForPage();
  5922.       let docTmp = document.createElement('template');
  5923.       docTmp.innerHTML = getTabsHTML();
  5924.       let newElm = docTmp.content.firstElementChild;
  5925.       if (newElm !== null) {
  5926.         insertBeforeTo(newElm, related);
  5927.         querySelectorFromAnchor.call(newElm, '#material-tabs').addEventListener('mousemove', (evt) => {
  5928.           evt.preventDefault();
  5929.           evt.stopPropagation();
  5930.           evt.stopImmediatePropagation();
  5931.         }, true);
  5932.         setupTabBtns();
  5933.         console.debug('[tyt] #right-tabs inserted')
  5934.       }
  5935.       docTmp.textContent = '';
  5936.       docTmp = null;
  5937.     }
  5938.  
  5939.     if (!ytdFlexyElm.hasAttribute('tyt-tab')) ytdFlexyElm.setAttribute('tyt-tab', '')
  5940.  
  5941.     // append the next videos 
  5942.     // it exists as "related" is already here
  5943.     fixTabs();
  5944.  
  5945.     let switchToDefaultTabNotAllowed = false;
  5946.  
  5947.     if (document.querySelector('ytd-watch-flexy[tyt-chat^="+"]')) {
  5948.       switchToDefaultTabNotAllowed = true;
  5949.     } else if (document.querySelector('ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])')) {
  5950.       switchToDefaultTabNotAllowed = true;
  5951.     } else if (document.querySelector('ytd-watch-flexy ytd-donation-shelf-renderer.ytd-watch-flexy:not([hidden]):not(:empty)')) {
  5952.       switchToDefaultTabNotAllowed = true;
  5953.     }
  5954.  
  5955.     if (switchToDefaultTabNotAllowed) {
  5956.       switchTabActivity(null);
  5957.     } else {
  5958.       setToActiveTab(); // just switch to the default tab
  5959.     }
  5960.  
  5961.  
  5962.     mtoFlexyAttr.clear(true)
  5963.     mtf_checkFlexy()
  5964.  
  5965.     tabsDeferred.resolve();
  5966.     FP.mtf_attrEngagementPanel(); // check whether no visible panels
  5967.  
  5968.     // isPageFirstLoaded && console.timeEnd("Tabview Youtube Render")
  5969.  
  5970.     // let ks = renderIdentifier;
  5971.     // renderDeferred.debounce(() => {
  5972.     //   if (ks !== renderIdentifier) return
  5973.     //   if (_navigateLoadDT !== tdt) return;
  5974.  
  5975.     //   let donationShelf = document.querySelector('ytd-watch-flexy:not([tyt-donation-shelf]) ytd-donation-shelf-renderer.ytd-watch-flexy:not([hidden]):not(:empty)');
  5976.     //   if (donationShelf) {
  5977.     //     // console.log(334)
  5978.     //     // ignored if event handler for tabview-donation-shelf-set-visibility is not yet hooked.
  5979.     //     setTimeout(()=>{
  5980.     //       if (ks !== renderIdentifier) return
  5981.     //       if (_navigateLoadDT !== tdt) return;
  5982.     //       // console.log(554)
  5983.  
  5984.     //       let donationShelf = document.querySelector('ytd-watch-flexy:not([tyt-donation-shelf]) ytd-donation-shelf-renderer.ytd-watch-flexy:not([hidden]):not(:empty)');
  5985.     //       if(!donationShelf) return;
  5986.     //       document.dispatchEvent(new CustomEvent('tabview-donation-shelf-set-visibility', {
  5987.     //         detail: {
  5988.     //           visibility: true,
  5989.     //           flushDOM: true
  5990.     //         }
  5991.     //       }));
  5992.     //     },450)
  5993.     //   }
  5994.     //   donationShelf = null;
  5995.  
  5996.     // })
  5997.  
  5998.     isPageFirstLoaded && document.documentElement.removeAttribute('tyt-lock');
  5999.  
  6000.   }
  6001.  
  6002.  
  6003.   function fetchCommentsFinished() {
  6004.     const ytdFlexyElm = es.ytdFlexy;
  6005.     if (!scriptEnable || !ytdFlexyElm) return;
  6006.     if (mtf_forceCheckLiveVideo_disable === 2) return;
  6007.     ytdFlexyElm.setAttribute('tyt-comments', 'L');
  6008.     _console.log(2909, 1)
  6009.   }
  6010.  
  6011.   function setCommentSection( /** @type {number} */ value) {
  6012.  
  6013.     Q.comments_section_loaded = value;
  6014.     if (value === 0 && fetchCounts) {
  6015.       fetchCounts.fetched = false; // unknown bug
  6016.     }
  6017.  
  6018.   }
  6019.  
  6020.  
  6021.   function emptyCommentSection() {
  6022.     let tab_btn = document.querySelector('.tab-btn[tyt-tab-content="#tab-comments"]')
  6023.     if (tab_btn) {
  6024.       let span = querySelectorFromAnchor.call(tab_btn, 'span#tyt-cm-count');
  6025.       tab_btn.removeAttribute('loaded-comment')
  6026.       if (span) {
  6027.         span.textContent = '';
  6028.       }
  6029.     }
  6030.     setCommentSection(0);
  6031.     _console.log(7233, 'comments_section_loaded = 0')
  6032.   }
  6033.  
  6034.  
  6035.   function _disableComments() {
  6036.  
  6037.  
  6038.     _console.log(2909, 1)
  6039.     if (!scriptEnable) return;
  6040.     let cssElm = es.ytdFlexy;
  6041.     if (!cssElm) return;
  6042.  
  6043.     _console.log(2909, 2)
  6044.  
  6045.  
  6046.     let comments = document.querySelector('ytd-comments#comments')
  6047.     if (mtf_forceCheckLiveVideo_disable === 2) {
  6048.       // earlier than DOM change
  6049.     } else {
  6050.       if (comments && !comments.hasAttribute('hidden')) return; // visible comments content)
  6051.     }
  6052.  
  6053.     _console.log(2909, 4)
  6054.     if (Q.comments_section_loaded === 2) return; //already disabled
  6055.  
  6056.     setCommentSection(2);
  6057.  
  6058.     _console.log(2909, 5)
  6059.  
  6060.     let tabBtn = document.querySelector('.tab-btn[tyt-tab-content="#tab-comments"]');
  6061.     if (tabBtn) {
  6062.       let span = querySelectorFromAnchor.call(tabBtn, 'span#tyt-cm-count');
  6063.       tabBtn.removeAttribute('loaded-comment')
  6064.       if (!tabBtn.classList.contains('tab-btn-hidden')) {
  6065.         //console.log('hide', comments, comments && comments.hasAttribute('hidden'))
  6066.         hideTabBtn(tabBtn)
  6067.       }
  6068.       if (span) {
  6069.         span.textContent = '';
  6070.       }
  6071.     }
  6072.  
  6073.     cssElm.setAttribute('tyt-comments', 'D');
  6074.  
  6075.     _console.log(2909, 10)
  6076.  
  6077.  
  6078.   }
  6079.  
  6080.   function setToggleInfo() {
  6081.  
  6082.     scriptletDeferred.d().then(() => {
  6083.  
  6084.       let elem = document.querySelector('#primary.ytd-watch-flexy #below ytd-watch-metadata #info-container.ytd-watch-metadata:first-child:not([tyt-info-toggler])')
  6085.       if (elem) {
  6086.  
  6087.         elem.setAttribute('tyt-info-toggler', '')
  6088.         elem.dispatchEvent(new CustomEvent('tyt-info-toggler'))
  6089.  
  6090.       }
  6091.  
  6092.     });
  6093.   }
  6094.  
  6095.  
  6096.   function flexyAttr_toggleFlag(mFlag, b, flag) {
  6097.     return b ? (mFlag | flag) : (mFlag & ~flag);
  6098.   }
  6099.  
  6100.   function flexAttr_toLayoutStatus(nls, attributeName) {
  6101.  
  6102.     let attrElm, b, v;
  6103.     switch (attributeName) {
  6104.       case 'theater':
  6105.         b = isTheater();
  6106.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_THEATER);
  6107.         break;
  6108.       case 'tyt-chat':
  6109.         attrElm = es.ytdFlexy;
  6110.         v = attrElm.getAttribute('tyt-chat');
  6111.  
  6112.         if (v !== null && v.charAt(0) === '-') {
  6113.           nls = flexyAttr_toggleFlag(nls, true, LAYOUT_CHATROOM | LAYOUT_CHATROOM_COLLAPSED);
  6114.         } else {
  6115.           nls = flexyAttr_toggleFlag(nls, v !== null, LAYOUT_CHATROOM);
  6116.           nls = flexyAttr_toggleFlag(nls, false, LAYOUT_CHATROOM_COLLAPSED);
  6117.         }
  6118.  
  6119.         break;
  6120.       case 'is-two-columns_':
  6121.         b = isWideScreenWithTwoColumns();
  6122.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_TWO_COLUMNS);
  6123.         break;
  6124.  
  6125.       case 'tyt-tab':
  6126.         attrElm = es.ytdFlexy;
  6127.         b = isNonEmptyString(attrElm.getAttribute('tyt-tab'));
  6128.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_TAB_EXPANDED);
  6129.         break;
  6130.  
  6131.       case 'fullscreen':
  6132.         attrElm = es.ytdFlexy;
  6133.         b = attrElm.hasAttribute('fullscreen');
  6134.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_FULLSCREEN);
  6135.         break;
  6136.  
  6137.       case 'tyt-ep-visible':
  6138.         attrElm = es.ytdFlexy;
  6139.         v = attrElm.getAttribute('tyt-ep-visible');
  6140.         b = (+v > 0)
  6141.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_ENGAGEMENT_PANEL_EXPANDED);
  6142.         break;
  6143.  
  6144.       case 'tyt-donation-shelf':
  6145.         attrElm = es.ytdFlexy;
  6146.         b = attrElm.hasAttribute('tyt-donation-shelf');
  6147.         nls = flexyAttr_toggleFlag(nls, b, LAYOUT_DONATION_SHELF_EXPANDED);
  6148.         break;
  6149.  
  6150.     }
  6151.  
  6152.     return nls;
  6153.  
  6154.  
  6155.   }
  6156.  
  6157.  
  6158.  
  6159.   function ito_details(entries, observer) {
  6160.     if (!detailsTriggerReset) return;
  6161.     if (!entries || entries.length !== 1) return; // unlikely
  6162.     let entry = entries[0];
  6163.     //console.log(entries)
  6164.     if (entry.isIntersecting === true) {
  6165.  
  6166.       if (fT(wls.layoutStatus, LAYOUT_TWO_COLUMNS | LAYOUT_FULLSCREEN, 0) === false) return;
  6167.  
  6168.       let dom = entry.target;
  6169.       if (!dom) return; //unlikely
  6170.  
  6171.       let bool = false;
  6172.       let descClickable = null;
  6173.  
  6174.       if (fT(wls.layoutStatus, 0, LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED | LAYOUT_CHATROOM_EXPANDED | LAYOUT_TAB_EXPANDED) === false) {
  6175.         descClickable = closestDOM.call(dom, '#description.item.style-scope.ytd-watch-metadata')
  6176.         if (descClickable) {
  6177.           detailsTriggerReset = false;
  6178.           bool = true;
  6179.         }
  6180.       }
  6181.  
  6182.       async function runAsync(dom, bool) {
  6183.  
  6184.         if (bool) {
  6185.           let descClickable = closestDOM.call(dom, '#description.item.style-scope.ytd-watch-metadata')
  6186.           if (descClickable) {
  6187.             descClickable.click();
  6188.           }
  6189.         }
  6190.  
  6191.         await new Promise(r => setTimeout(r, 20));
  6192.  
  6193.         let pInner, nw = null;
  6194.         try {
  6195.           let x = closestDOM.call(dom, '#description.item.style-scope.ytd-watch-metadata');
  6196.           let h2 = x.offsetHeight;
  6197.           pInner = closestDOM.call(x, '#primary-inner')
  6198.           let h1 = pInner.offsetHeight;
  6199.           x.setAttribute('userscript-scrollbar-render', '')
  6200.           if (h1 > h2 && h2 > 0 && h1 > 0) nw = h1 - h2
  6201.         } catch (e) { }
  6202.         if (pInner) {
  6203.           pInner.style.setProperty('--tyt-desc-top-h', `${nw ? nw : 0}px`)
  6204.         }
  6205.       }
  6206.  
  6207.       runAsync(dom, bool);
  6208.  
  6209.  
  6210.     }
  6211.  
  6212.   }
  6213.  
  6214.   function immediateCheck() {
  6215.  
  6216.  
  6217.     if (!scriptEnable) return;
  6218.  
  6219.     if (fT(wls.layoutStatus, LAYOUT_TWO_COLUMNS, LAYOUT_TAB_EXPANDED | LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED | LAYOUT_THEATER | LAYOUT_FULLSCREEN | LAYOUT_CHATROOM_EXPANDED)) {
  6220.       setToActiveTab();
  6221.     }
  6222.  
  6223.   }
  6224.  
  6225.  
  6226.   const mtf_attrFlexy = (mutations, observer) => {
  6227.  
  6228.     //attr mutation checker - $$ytdFlexyElm$$ {ytd-watch-flexy} \single
  6229.     //::attr    
  6230.     // ~ 'tyt-chat', 'theater', 'is-two-columns_', 
  6231.     // ~ 'tyt-tab', 'fullscreen', 'tyt-ep-visible', 
  6232.     // ~ 'hidden', 'is-extra-wide-video_'
  6233.  
  6234.     //console.log(15330, scriptEnable, es.ytdFlexy, mutations)
  6235.  
  6236.     if (!scriptEnable) return;
  6237.  
  6238.     const cssElm = es.ytdFlexy;
  6239.     if (!cssElm) return;
  6240.  
  6241.     if (!mutations) return;
  6242.  
  6243.     const old_layoutStatus = wls.layoutStatus
  6244.     if (old_layoutStatus === 0) return;
  6245.     let new_layoutStatus = old_layoutStatus;
  6246.  
  6247.     let checkedChat = false;
  6248.     let mss = 0;
  6249.     let dcall = 0;
  6250.  
  6251.     for (const mutation of mutations) {
  6252.       new_layoutStatus = flexAttr_toLayoutStatus(new_layoutStatus, mutation.attributeName);
  6253.       // _console.log(8221, 18, mutation.attributeName)
  6254.       if (mutation.attributeName === 'tyt-chat') {
  6255.  
  6256.         if (!checkedChat) {
  6257.           checkedChat = true; // avoid double call
  6258.  
  6259.           if ((cssElm.getAttribute('tyt-chat') || '').indexOf('chat$live') >= 0) {
  6260.             // assigned new attribute - "chat$live" => disable comments section
  6261.  
  6262.             //console.log(3712,2)
  6263.             _disableComments();
  6264.           }
  6265.  
  6266.           if (!cssElm.hasAttribute('tyt-chat')) {
  6267.             // might or might not collapsed before
  6268.             dcall |= 1;
  6269.           }
  6270.         }
  6271.  
  6272.       } else if (mutation.attributeName === 'tyt-ep-visible') {
  6273.         // assume any other active component such as tab content and chatroom
  6274.  
  6275.         if (+(cssElm.getAttribute('tyt-ep-visible') || 0) === 0 && +mutation.oldValue > 0) {
  6276.           dcall |= 2;
  6277.         }
  6278.  
  6279.         if (mss === 0) mss = 1;
  6280.         else mss = -1;
  6281.  
  6282.       } else if (mutation.attributeName === 'tyt-donation-shelf') {
  6283.         // assume any other active component such as tab content and chatroom
  6284.  
  6285.         // console.log(4545, cssElm.hasAttribute('tyt-donation-shelf'))
  6286.         if (!(cssElm.hasAttribute('tyt-donation-shelf'))) {
  6287.           dcall |= 4;
  6288.         } else {
  6289.           lstTab.lastPanel = '#donation-shelf'
  6290.           switchTabActivity(null);
  6291.           // console.log(55)
  6292.         }
  6293.         if (mss === 0) mss = 2;
  6294.         else mss = -1;
  6295.  
  6296.       } else if (mutation.attributeName === 'is-extra-wide-video_') {
  6297.         setTimeout(() => {
  6298.           updateFloatingSlider();  //required for hover slider // eg video after ads
  6299.         }, 1);
  6300.       }
  6301.     }
  6302.  
  6303.     new_layoutStatus = fixLayoutStatus(new_layoutStatus);
  6304.  
  6305.     if (new_layoutStatus !== old_layoutStatus) {
  6306.  
  6307.       if (fT(new_layoutStatus, LAYOUT_TWO_COLUMNS, LAYOUT_TAB_EXPANDED | LAYOUT_THEATER | LAYOUT_CHATROOM_EXPANDED)) {
  6308.         if (mss === 1) {
  6309.           if (fT(new_layoutStatus, LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED, 0)) {
  6310.             closeDonationShelf();
  6311.           }
  6312.         } else if (mss === 2) {
  6313.           if (fT(new_layoutStatus, LAYOUT_ENGAGEMENT_PANEL_EXPANDED | LAYOUT_DONATION_SHELF_EXPANDED, 0)) {
  6314.             ytBtnCloseEngagementPanels();
  6315.           }
  6316.         }
  6317.       }
  6318.       wls.layoutStatus = new_layoutStatus
  6319.  
  6320.     }
  6321.  
  6322.     let timeout240 = new Promise(r => timeline.setTimeout(r, 240));
  6323.     timeout240.then(immediateCheck);
  6324.  
  6325.   }
  6326.  
  6327.  
  6328.   function setupChatFrameDisplayState1(chatBlockR, initialDisplayState) {
  6329.  
  6330.  
  6331.     const ytdFlexyElm = es.ytdFlexy;
  6332.     if (!scriptEnable || !ytdFlexyElm) return;
  6333.  
  6334.     let chatTypeChanged = mtf_chatBlockQ !== chatBlockR;
  6335.  
  6336.     let attr_chatblock = chatBlockR === 1 ? 'chat$live' : chatBlockR === 3 ? 'chat$playback' : false;
  6337.     let attr_chatcollapsed = false;
  6338.  
  6339.  
  6340.     if (attr_chatblock) {
  6341.       let chatFrame = document.querySelector('ytd-live-chat-frame#chat')
  6342.       if (chatFrame) {
  6343.         attr_chatcollapsed = chatFrame.hasAttribute('collapsed');
  6344.         if (!attr_chatcollapsed) {
  6345.  
  6346.           //nativeFunc(p,'setupPlayerProgressRelay')
  6347.           //if(!p.isFrameReady)
  6348.           //nativeFunc(p, "urlChanged")
  6349.           //console.log(12399,1)
  6350.           chatFrame.dispatchEvent(new CustomEvent("tabview-chatroom-newpage")); //possible empty iframe is shown
  6351.  
  6352.         }
  6353.       } else {
  6354.         attr_chatcollapsed = initialDisplayState === 'LIVE_CHAT_DISPLAY_STATE_COLLAPSED' ? true : false;
  6355.       }
  6356.     }
  6357.  
  6358.     if (chatTypeChanged) {
  6359.       mtf_chatBlockQ = chatBlockR
  6360.  
  6361.       // _console.log(932, 2, attr_chatblock, attr_chatcollapsed)
  6362.  
  6363.       //LIVE_CHAT_DISPLAY_STATE_COLLAPSED
  6364.       //LIVE_CHAT_DISPLAY_STATE_EXPANDED
  6365.       let v = attr_chatblock
  6366.       if (typeof attr_chatblock == 'string') {
  6367.  
  6368.         if (attr_chatcollapsed === true) v = '-' + attr_chatblock
  6369.         if (attr_chatcollapsed === false) v = '+' + attr_chatblock;
  6370.       }
  6371.       wAttr(ytdFlexyElm, 'tyt-chat', v)
  6372.  
  6373.       // _console.log(932, 3, ytdFlexyElm.hasAttribute('tyt-chat'))
  6374.  
  6375.  
  6376.     }
  6377.  
  6378.     return { attr_chatblock, attr_chatcollapsed, chatTypeChanged }
  6379.   }
  6380.  
  6381.   function setupChatFrameDisplayState2() {
  6382.  
  6383.     const ytdFlexyElm = es.ytdFlexy;
  6384.     if (!scriptEnable || !ytdFlexyElm) return null;
  6385.  
  6386.     // this is a backup solution only; should be abandoned
  6387.  
  6388.     let attr_chatblock = null
  6389.     let attr_chatcollapsed = null;
  6390.  
  6391.     const elmChat = document.querySelector('ytd-live-chat-frame#chat')
  6392.     let elmCont = null;
  6393.     if (elmChat) {
  6394.       elmCont = chatFrameElement('yt-live-chat-renderer #continuations')
  6395.  
  6396.  
  6397.       let s = 0;
  6398.       if (elmCont) {
  6399.         //not found if it is collapsed.
  6400.         s |= querySelectorFromAnchor.call(elmCont, 'yt-timed-continuation') ? 1 : 0;
  6401.         s |= querySelectorFromAnchor.call(elmCont, 'yt-live-chat-replay-continuation, yt-player-seek-continuation') ? 2 : 0;
  6402.         //s |= elmCont.querySelector('yt-live-chat-restricted-participation-renderer')?4:0;
  6403.         if (s == 1) {
  6404.           attr_chatblock = 'chat$live';
  6405.         } else if (s == 2) attr_chatblock = 'chat$playback';
  6406.  
  6407.         if (s == 1) {
  6408.           let cmCountElm = document.querySelector("span#tyt-cm-count")
  6409.           if (cmCountElm) cmCountElm.textContent = '';
  6410.         }
  6411.  
  6412.       } else if (!ytdFlexyElm.hasAttribute('tyt-chat')) {
  6413.         // live chat frame but type not known
  6414.  
  6415.         attr_chatblock = '';
  6416.  
  6417.       }
  6418.       //keep unknown as original    
  6419.  
  6420.  
  6421.       let isCollapsed = !!elmChat.hasAttribute('collapsed');
  6422.       attr_chatcollapsed = isCollapsed;
  6423.  
  6424.     } else {
  6425.       attr_chatblock = false;
  6426.       attr_chatcollapsed = false;
  6427.  
  6428.     }
  6429.  
  6430.     return { attr_chatblock, attr_chatcollapsed }
  6431.  
  6432.   }
  6433.  
  6434.  
  6435.   const mtf_checkFlexy = () => {
  6436.     // once per $$native-ytd-watch-flexy$$ {ytd-watch-flexy} detection
  6437.  
  6438.     const ytdFlexyElm = es.ytdFlexy;
  6439.     if (!scriptEnable || !ytdFlexyElm) return true;
  6440.  
  6441.  
  6442.     wls.layoutStatus = 0;
  6443.  
  6444.     let isFlexyHidden = (ytdFlexyElm.hasAttribute('hidden'));
  6445.  
  6446.     if (!isFlexyHidden) {
  6447.       let rChatExist = setupChatFrameDisplayState2();
  6448.       if (rChatExist) {
  6449.         let { attr_chatblock, attr_chatcollapsed } = rChatExist;
  6450.         if (attr_chatblock === null) {
  6451.           //remove attribute if it is unknown
  6452.           attr_chatblock = false;
  6453.           attr_chatcollapsed = false;
  6454.         }
  6455.         let v = attr_chatblock;
  6456.         if (typeof v === 'string') {
  6457.           if (attr_chatcollapsed === true) v = '-' + v;
  6458.           if (attr_chatcollapsed === false) v = '+' + v;
  6459.         }
  6460.         wAttr(ytdFlexyElm, 'tyt-chat', v)
  6461.  
  6462.       }
  6463.     }
  6464.  
  6465.     let rTabSelection = [...querySelectorAllFromAnchor.call(ytdFlexyElm, '.tab-btn[tyt-tab-content]')]
  6466.       .map(elm => ({ elm, hidden: elm.classList.contains('tab-btn-hidden') }));
  6467.  
  6468.     if (rTabSelection.length === 0) {
  6469.       wAttr(ytdFlexyElm, 'tyt-tab', false);
  6470.     } else {
  6471.       rTabSelection = rTabSelection.filter(entry => entry.hidden !== true); // all available tabs
  6472.       if (rTabSelection.length === 0) wAttr(ytdFlexyElm, 'tyt-tab', '');
  6473.     }
  6474.     rTabSelection = null;
  6475.  
  6476.     let rEP = engagement_panels_();
  6477.     if (rEP && rEP.list.length > 0) {
  6478.       wAttr(ytdFlexyElm, 'tyt-ep-visible', `${rEP.value}`);
  6479.     } else {
  6480.       wAttr(ytdFlexyElm, 'tyt-ep-visible', false);
  6481.     }
  6482.  
  6483.     let ls = LAYOUT_VAILD;
  6484.     ls = flexAttr_toLayoutStatus(ls, 'theater')
  6485.     ls = flexAttr_toLayoutStatus(ls, 'tyt-chat')
  6486.     ls = flexAttr_toLayoutStatus(ls, 'is-two-columns_')
  6487.     ls = flexAttr_toLayoutStatus(ls, 'tyt-tab')
  6488.     ls = flexAttr_toLayoutStatus(ls, 'fullscreen')
  6489.     ls = flexAttr_toLayoutStatus(ls, 'tyt-ep-visible')
  6490.     ls = flexAttr_toLayoutStatus(ls, 'tyt-donation-shelf')
  6491.  
  6492.     fixLayoutStatus(ls)
  6493.  
  6494.     wls.layoutStatus = ls
  6495.  
  6496.     mtoFlexyAttr.bindElement(ytdFlexyElm, {
  6497.       attributes: true,
  6498.       attributeFilter: ['tyt-chat', 'theater', 'is-two-columns_', 'tyt-tab', 'fullscreen', 'tyt-ep-visible', 'tyt-donation-shelf', 'hidden', 'is-extra-wide-video_'],
  6499.       attributeOldValue: true
  6500.     })
  6501.  
  6502.     let columns = document.querySelector('ytd-page-manager#page-manager #columns.ytd-watch-flexy')
  6503.     if (columns) {
  6504.       wAttr(columns, 'userscript-scrollbar-render', true);
  6505.     }
  6506.  
  6507.     immediateCheck()
  6508.  
  6509.     return false;
  6510.   }
  6511.  
  6512.   document.addEventListener('tabview-fix-layout', () => {
  6513.  
  6514.     immediateCheck()
  6515.  
  6516.   }, false)
  6517.  
  6518.  
  6519.   function switchTabActivity(activeLink) {
  6520.  
  6521.     //console.log(4545, activeLink)
  6522.     if (!scriptEnable) return;
  6523.  
  6524.     const ytdFlexyElm = es.ytdFlexy;
  6525.  
  6526.     if (!ytdFlexyElm) return;
  6527.  
  6528.     if (activeLink && activeLink.classList.contains('tab-btn-hidden')) return; // not allow to switch to hide tab
  6529.  
  6530.     //if (isTheater() && isWideScreenWithTwoColumns()) activeLink = null;
  6531.  
  6532.  
  6533.     function runAtEnd() {
  6534.  
  6535.       if (activeLink) {
  6536.         lstTab.lastTab = activeLink.getAttribute('tyt-tab-content')
  6537.         lstTab.lastPanel = null;
  6538.  
  6539.         if (!document.querySelector(`${lstTab.lastTab}.tab-content-cld tabview-view-tab-expander`)) {
  6540.  
  6541.           let secondary = document.querySelector('#secondary.ytd-watch-flexy');
  6542.           if (secondary) {
  6543.             secondary.dispatchEvent(new CustomEvent('tabview-hover-slider-restore'))
  6544.             //console.log(1995)
  6545.           }
  6546.  
  6547.  
  6548.         }
  6549.       }
  6550.  
  6551.       const newTag = activeLink ? lstTab.lastTab : '';
  6552.  
  6553.       ytdFlexyElm.setAttribute('tyt-tab', newTag)
  6554.  
  6555.       if (newTag === '#tab-videos') {
  6556.  
  6557.  
  6558.  
  6559.         let t = document.querySelector('#tab-videos yt-chip-cloud-renderer')
  6560.         if (t) {
  6561.           scriptletDeferred.debounce(() => {
  6562.             t.dispatchEvent(new CustomEvent('tyt-resize-chip-cloud'))
  6563.           })
  6564.         }
  6565.  
  6566.       }
  6567.  
  6568.  
  6569.     }
  6570.  
  6571.     const links = document.querySelectorAll('#material-tabs a[tyt-tab-content]');
  6572.  
  6573.     //console.log(701, activeLink)
  6574.  
  6575.     for (const link of links) {
  6576.       let content = document.querySelector(link.getAttribute('tyt-tab-content'));
  6577.       if (link && content) {
  6578.         if (link !== activeLink) {
  6579.           link.classList.remove("active");
  6580.           content.classList.add("tab-content-hidden");
  6581.           if (!content.hasAttribute("tyt-hidden")) {
  6582.             content.setAttribute("tyt-hidden", ""); // for https://greasyfork.org/en/scripts/456108
  6583.           }
  6584.         } else {
  6585.           link.classList.add("active");
  6586.           if (content.hasAttribute("tyt-hidden")) {
  6587.             content.removeAttribute("tyt-hidden"); // for https://greasyfork.org/en/scripts/456108
  6588.           }
  6589.           content.classList.remove("tab-content-hidden");
  6590.         }
  6591.       }
  6592.     }
  6593.  
  6594.     runAtEnd();
  6595.  
  6596.  
  6597.   }
  6598.  
  6599.  
  6600.   function getStore() {
  6601.     let s = localStorage[STORE_key];
  6602.     function resetStore() {
  6603.       let ret = {
  6604.         version: 1,
  6605.       };
  6606.       localStorage[STORE_key] = JSON.stringify(ret);
  6607.       return ret;
  6608.     }
  6609.     if (!s) return resetStore();
  6610.     let obj = null;
  6611.     try {
  6612.       obj = JSON.parse(s);
  6613.     } catch (e) { }
  6614.     return obj && obj.version === STORE_VERSION ? obj : resetStore();
  6615.   }
  6616.  
  6617.   function setStore(obj) {
  6618.     if (!obj || typeof obj !== 'object') return false;
  6619.     if (obj.version !== STORE_VERSION) return false;
  6620.     localStorage[STORE_key] = JSON.stringify(obj);
  6621.     return true;
  6622.   }
  6623.  
  6624.  
  6625.  
  6626.   async function handlerMaterialTabClickInner(tabBtn) {
  6627.  
  6628.     await Promise.resolve(0);
  6629.  
  6630.     const layoutStatusMutexUnlock = await new Promise(resolve => {
  6631.       layoutStatusMutex.lockWith(unlock => {
  6632.         resolve(unlock)
  6633.       })
  6634.     });
  6635.  
  6636.     // locked
  6637.     let unlock = layoutStatusMutexUnlock; // function of unlock inside layoutStatusMutex
  6638.  
  6639.     //console.log(8515)
  6640.     switchTabActivity_lastTab = tabBtn.getAttribute('tyt-tab-content');
  6641.  
  6642.     let isActiveAndVisible = tabBtn.classList.contains('tab-btn') && tabBtn.classList.contains('active') && !tabBtn.classList.contains('tab-btn-hidden')
  6643.  
  6644.     _console.log(8221, 15, isActiveAndVisible)
  6645.  
  6646.     if (isFullScreen()) {
  6647.  
  6648.  
  6649.       const fullScreenTabScrollIntoView = () => {
  6650.         let scrollElement = document.querySelector('ytd-app[scrolling]')
  6651.         if (!scrollElement) return;
  6652.         // single column view; click button; scroll to tab content area 100%
  6653.         let rightTabs = document.querySelector('#right-tabs');
  6654.         let pTop = rightTabs.getBoundingClientRect().top - scrollElement.getBoundingClientRect().top
  6655.         if (rightTabs && pTop > 0 && tabBtn.classList.contains('active')) {
  6656.           rightTabs.scrollIntoView(false);
  6657.         }
  6658.       }
  6659.  
  6660.       _console.log(8221, 16, 1)
  6661.  
  6662.       if (isActiveAndVisible) {
  6663.         timeline.setTimeout(unlock, 80);
  6664.         switchTabActivity(null);
  6665.       } else {
  6666.  
  6667.         if (isChatExpand() && isWideScreenWithTwoColumns()) {
  6668.           ytBtnCollapseChat();
  6669.         } else if (isEngagementPanelExpanded() && isWideScreenWithTwoColumns()) {
  6670.           ytBtnCloseEngagementPanels();
  6671.         } else if (isDonationShelfExpanded() && isWideScreenWithTwoColumns()) {
  6672.           closeDonationShelf();
  6673.         }
  6674.  
  6675.  
  6676.         timeline.setTimeout(fullScreenTabScrollIntoView, 60)
  6677.  
  6678.         timeline.setTimeout(unlock, 80);
  6679.         switchTabActivity(tabBtn)
  6680.       }
  6681.  
  6682.     } else if (isWideScreenWithTwoColumns() && !isTheater() && isActiveAndVisible) {
  6683.  
  6684.       _console.log(8221, 16, 2)
  6685.       //optional
  6686.       timeline.setTimeout(unlock, 80);
  6687.       switchTabActivity(null);
  6688.       ytBtnSetTheater();
  6689.     } else if (isActiveAndVisible) {
  6690.  
  6691.       _console.log(8221, 16, 3)
  6692.       timeline.setTimeout(unlock, 80);
  6693.       switchTabActivity(null);
  6694.     } else {
  6695.  
  6696.       _console.log(8221, 16, 4)
  6697.  
  6698.       if (isChatExpand() && isWideScreenWithTwoColumns()) {
  6699.         ytBtnCollapseChat();
  6700.       } else if (isEngagementPanelExpanded() && isWideScreenWithTwoColumns()) {
  6701.         ytBtnCloseEngagementPanels();
  6702.       } else if (isDonationShelfExpanded() && isWideScreenWithTwoColumns()) {
  6703.         closeDonationShelf();
  6704.       } else if (isWideScreenWithTwoColumns() && isTheater() && !isFullScreen()) {
  6705.         ytBtnCancelTheater(); //ytd-watch-flexy attr [theater]
  6706.       }
  6707.  
  6708.       timeline.setTimeout(() => {
  6709.         // single column view; click button; scroll to tab content area 100%
  6710.         let rightTabs = document.querySelector('#right-tabs');
  6711.         if (!isWideScreenWithTwoColumns() && rightTabs && rightTabs.offsetTop > 0 && tabBtn.classList.contains('active') && rightTabs.hasAttribute('tyt-stickybar')) {
  6712.           let tabButtonBar = document.querySelector('#material-tabs');
  6713.           let tabButtonBarHeight = tabButtonBar ? tabButtonBar.offsetHeight : 0;
  6714.           window.scrollTo(0, rightTabs.offsetTop - tabButtonBarHeight); // scrollIntoView
  6715.         }
  6716.       }, 60)
  6717.       // _console.log(8519)
  6718.  
  6719.       timeline.setTimeout(unlock, 80)
  6720.       switchTabActivity(tabBtn)
  6721.  
  6722.     }
  6723.  
  6724.  
  6725.   }
  6726.  
  6727.   function handlerMaterialTabClick(/** @type {MouseEvent} */ evt) {
  6728.  
  6729.     //console.log(8510)
  6730.     const ytdFlexyElm = es.ytdFlexy;
  6731.     if (!scriptEnable || !ytdFlexyElm) return null;
  6732.  
  6733.     let tabBtn = this;
  6734.  
  6735.     if (!tabBtn.hasAttribute('tyt-tab-content')) return;
  6736.  
  6737.     /** @type {HTMLElement | null} */
  6738.     let dom = evt.target;
  6739.     if (!dom) return;
  6740.  
  6741.     if (dom.classList.contains('font-size-btn')) return;
  6742.  
  6743.  
  6744.     evt.preventDefault();
  6745.  
  6746.     handlerMaterialTabClickInner(tabBtn);
  6747.  
  6748.  
  6749.   }
  6750.  
  6751.   function onVideoLeavePictureInPicuture() {
  6752.     isMiniviewForStickyHeadEnabled = false;
  6753.   }
  6754.  
  6755.  
  6756.   let videoPlayerInsectObserver = null;
  6757.   let videoInsected = false;
  6758.  
  6759.  
  6760.   async function enablePIPforStickyHead() {
  6761.     // use async & await to avoid handler took 60ms
  6762.  
  6763.     if (!isMiniviewForStickyHeadEnabled && isStickyHeaderEnabled && userActivation && typeof IntersectionObserver == 'function') {
  6764.       let video = document.querySelector('#player video');
  6765.       if (!video) return;
  6766.  
  6767.       await Promise.resolve(0)
  6768.       const pageClientWidth = document.documentElement.clientWidth;
  6769.       if (pageClientWidth + 320 < screen.width && pageClientWidth > 320 && !document.querySelector('#rCbM3')) {
  6770.  
  6771.  
  6772.         await Promise.resolve(0)
  6773.         // desktop or notebook can use this feature
  6774.  
  6775.         // --------------------------------------------------------
  6776.         // ignore user activation error
  6777.         enterPIP(video, null).then(r => {
  6778.           if (r === true) {
  6779.  
  6780.             userActivation = false;
  6781.             isMiniviewForStickyHeadEnabled = true;
  6782.           }
  6783.         });
  6784.         // --------------------------------------------------------
  6785.         video.removeEventListener('leavepictureinpicture', onVideoLeavePictureInPicuture, false);
  6786.         video.addEventListener('leavepictureinpicture', onVideoLeavePictureInPicuture, false);
  6787.  
  6788.         if (!video.hasAttribute('NOL4j')) {
  6789.           video.setAttribute('NOL4j', "");
  6790.  
  6791.  
  6792.           await Promise.resolve(0)
  6793.  
  6794.           let callback = (entries) => {
  6795.  
  6796.  
  6797.             let lastEntry = entries[entries.length - 1];
  6798.             if (lastEntry && lastEntry.isIntersecting === true) {
  6799.  
  6800.               videoInsected = true;
  6801.  
  6802.               if (isMiniviewForStickyHeadEnabled && !isStickyHeaderEnabled && userActivation && videoInsected) {
  6803.                 restorePIPforStickyHead();
  6804.               }
  6805.  
  6806.             } else {
  6807.               videoInsected = false;
  6808.             }
  6809.  
  6810.           };
  6811.  
  6812.           if (!videoPlayerInsectObserver) {
  6813.             videoPlayerInsectObserver = new IntersectionObserver(callback, {
  6814.               root: null,
  6815.               rootMargin: "0px",
  6816.               threshold: 0.25
  6817.             });
  6818.           }
  6819.  
  6820.           videoPlayerInsectObserver.takeRecords();
  6821.           videoPlayerInsectObserver.disconnect();
  6822.  
  6823.           videoPlayerInsectObserver.observe(video);
  6824.  
  6825.  
  6826.         }
  6827.  
  6828.       }
  6829.     }
  6830.   }
  6831.  
  6832.   function setStickyHeader(targetElm, bool, getWidthHeight, getLeftRight) {
  6833.  
  6834.     //if(isStickyHeaderEnabled===bool) return; // no update
  6835.  
  6836.     if (bool === true) {
  6837.       const { width, height } = getWidthHeight();
  6838.       targetElm.style.setProperty("--tyt-stickybar-w", width + 'px')
  6839.       targetElm.style.setProperty("--tyt-stickybar-h", height + 'px')
  6840.       const res = getLeftRight();
  6841.       if (res) {
  6842.  
  6843.         targetElm.style.setProperty("--tyt-stickybar-l", (res.left) + 'px')
  6844.         targetElm.style.setProperty("--tyt-stickybar-r", (res.right) + 'px')
  6845.  
  6846.       }
  6847.       wAttr(targetElm, 'tyt-stickybar', true);
  6848.       isStickyHeaderEnabled = true;
  6849.  
  6850.       if (!isMiniviewForStickyHeadEnabled && isStickyHeaderEnabled && userActivation && typeof IntersectionObserver == 'function') {
  6851.         setTimeout(enablePIPforStickyHead, 0);
  6852.       }
  6853.  
  6854.     } else if (bool === false) {
  6855.  
  6856.       wAttr(targetElm, 'tyt-stickybar', false);
  6857.       isStickyHeaderEnabled = false;
  6858.  
  6859.  
  6860.     }
  6861.  
  6862.  
  6863.   }
  6864.  
  6865.   const singleColumnScrolling = async function () {
  6866.     //makeHeaderFloat
  6867.     // required for 1) init 2) layout change 3) resizing
  6868.  
  6869.     if (!scriptEnable || pageType !== 'watch') return;
  6870.  
  6871.  
  6872.     let isTwoCol = (wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS;
  6873.     if (isTwoCol) {
  6874.  
  6875.       if (isStickyHeaderEnabled) {
  6876.  
  6877.         let targetElm = document.querySelector("#right-tabs");
  6878.         setStickyHeader(targetElm, false, null, null);
  6879.       }
  6880.       return;
  6881.     }
  6882.  
  6883.     let pageY = scrollY;
  6884.  
  6885.  
  6886.     let tdt = Date.now();
  6887.     singleColumnScrolling_dt = tdt;
  6888.  
  6889.  
  6890.     _console.log(7891, 'scrolling')
  6891.  
  6892.     function getXYStatus(res) {
  6893.  
  6894.       const [navHeight, elmY] = res;
  6895.  
  6896.       let xyz = [elmY + navHeight, pageY, elmY - navHeight]
  6897.  
  6898.       let xyStatus = 0
  6899.       if (xyz[1] < xyz[2] && xyz[2] < xyz[0]) {
  6900.         // 1
  6901.         xyStatus = 1
  6902.       }
  6903.  
  6904.       if (xyz[0] > xyz[1] && xyz[1] > xyz[2]) {
  6905.  
  6906.         //2
  6907.         xyStatus = 2
  6908.  
  6909.       }
  6910.  
  6911.       if (xyz[2] < xyz[0] && xyz[0] < xyz[1]) {
  6912.         // 3
  6913.  
  6914.         xyStatus = 3
  6915.  
  6916.  
  6917.       }
  6918.  
  6919.       return xyStatus;
  6920.     }
  6921.  
  6922.     let [targetElm, header, navElm] = await Promise.all([
  6923.       Promise.resolve().then(() => document.querySelector("#right-tabs")),
  6924.  
  6925.       Promise.resolve().then(() => document.querySelector("#right-tabs header")),
  6926.  
  6927.       Promise.resolve().then(() => document.querySelector('#masthead-container, #masthead')),
  6928.  
  6929.     ]);
  6930.  
  6931.     function emptyForGC() {
  6932.       targetElm = null;
  6933.       header = null;
  6934.       navElm = null;
  6935.     }
  6936.  
  6937.     if (!targetElm || !header) {
  6938.       return emptyForGC();
  6939.     }
  6940.     if (singleColumnScrolling_dt !== tdt) return emptyForGC();
  6941.  
  6942.     let res2 = await Promise.all([
  6943.       Promise.resolve().then(() => navElm ? navElm.offsetHeight : 0),
  6944.       Promise.resolve().then(() => targetElm.offsetTop)
  6945.     ])
  6946.  
  6947.     if (res2 === null) return emptyForGC();
  6948.  
  6949.     if (singleColumnScrolling_dt !== tdt) return emptyForGC();
  6950.  
  6951.  
  6952.     const xyStatus = getXYStatus(res2);
  6953.  
  6954.  
  6955.     function getLeftRight() {
  6956.  
  6957.       let thp = document.querySelector('tabview-view-pos-thead');
  6958.       if (thp) {
  6959.  
  6960.         let rect = thp.getBoundingClientRect()
  6961.         if (rect) {
  6962.           return {
  6963.             left: rect.left,
  6964.             right: document.documentElement.clientWidth - rect.right
  6965.           };
  6966.         }
  6967.       }
  6968.       return null;
  6969.     }
  6970.  
  6971.     let bool = (xyStatus == 2 || xyStatus == 3) ? true : ((xyStatus == 1) ? false : null);
  6972.  
  6973.     function getWidthHeight() {
  6974.       return { width: targetElm.offsetWidth, height: header.offsetHeight };
  6975.     }
  6976.  
  6977.     setStickyHeader(targetElm, bool, getWidthHeight, getLeftRight);
  6978.  
  6979.  
  6980.     emptyForGC();
  6981.  
  6982.   };
  6983.  
  6984.  
  6985.   const singleColumnScrolling2 = async function (xyStatus, width, xRect) {
  6986.     //makeHeaderFloat
  6987.  
  6988.     if (!scriptEnable || pageType !== 'watch') return;
  6989.  
  6990.  
  6991.     if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === LAYOUT_TWO_COLUMNS) {
  6992.       return;
  6993.     }
  6994.  
  6995.     let [targetElm, header] = await Promise.all([
  6996.       Promise.resolve().then(() => document.querySelector("#right-tabs")),
  6997.       Promise.resolve().then(() => document.querySelector("#right-tabs header"))
  6998.     ]);
  6999.  
  7000.     function emptyForGC() {
  7001.       targetElm = null;
  7002.       header = null;
  7003.     }
  7004.  
  7005.  
  7006.     if (!targetElm || !header) {
  7007.       return emptyForGC();
  7008.     }
  7009.  
  7010.     function getLeftRight() {
  7011.       return xRect;
  7012.     }
  7013.  
  7014.     let bool = (xyStatus == 2 || xyStatus == 3) ? true : ((xyStatus == 1) ? false : null);
  7015.  
  7016.     function getWidthHeight() {
  7017.       return { width: (width || targetElm.offsetWidth), height: header.offsetHeight };
  7018.     }
  7019.  
  7020.     setStickyHeader(targetElm, bool, getWidthHeight, getLeftRight);
  7021.  
  7022.     emptyForGC();
  7023.  
  7024.   };
  7025.  
  7026.  
  7027.   function resetBuggyLayoutForNewVideoPage() {
  7028.  
  7029.     const ytdFlexyElm = es.ytdFlexy;
  7030.     if (!ytdFlexyElm) return;
  7031.  
  7032.     //(flexy is visible and watch video page) 
  7033.  
  7034.     scriptEnable = true;
  7035.  
  7036.     _console.log(27056)
  7037.  
  7038.     let new_layoutStatus = wls.layoutStatus
  7039.  
  7040.     new_layoutStatus & (LAYOUT_CHATROOM_COLLAPSED | LAYOUT_CHATROOM)
  7041.  
  7042.     const new_isExpandedChat = !(new_layoutStatus & LAYOUT_CHATROOM_COLLAPSED) && !!(new_layoutStatus & LAYOUT_CHATROOM)
  7043.     const new_isCollapsedChat = !!(new_layoutStatus & LAYOUT_CHATROOM_COLLAPSED) && !!(new_layoutStatus & LAYOUT_CHATROOM)
  7044.  
  7045.     const new_isTwoColumns = new_layoutStatus & LAYOUT_TWO_COLUMNS;
  7046.     const new_isTheater = new_layoutStatus & LAYOUT_THEATER;
  7047.     const new_isTabExpanded = new_layoutStatus & LAYOUT_TAB_EXPANDED;
  7048.     const new_isFullScreen = new_layoutStatus & LAYOUT_FULLSCREEN;
  7049.     const new_isExpandedEPanel = new_layoutStatus & LAYOUT_ENGAGEMENT_PANEL_EXPANDED;
  7050.     const new_isExpandedDonationShelf = new_layoutStatus & LAYOUT_DONATION_SHELF_EXPANDED;
  7051.  
  7052.     const nothingShown = !new_isTabExpanded && !new_isExpandedChat && !new_isExpandedEPanel && !new_isExpandedDonationShelf
  7053.  
  7054.     if (ytdFlexyElm.getAttribute('tyt-tab') === '' && new_isTwoColumns && !new_isTheater && nothingShown && !new_isFullScreen) {
  7055.       // e.g. engage panel removed after miniview and change video
  7056.       setToActiveTab();
  7057.     } else if (new_isExpandedEPanel && querySelectorAllFromAnchor.call(ytdFlexyElm, 'ytd-watch-flexy[flexy][tyt-tab] #panels.ytd-watch-flexy ytd-engagement-panel-section-list-renderer[target-id][visibility="ENGAGEMENT_PANEL_VISIBILITY_EXPANDED"]:not([hidden])').length === 0) {
  7058.       wls.layoutStatus = new_layoutStatus & (~LAYOUT_ENGAGEMENT_PANEL_EXPANDED)
  7059.     } else if (new_isExpandedDonationShelf && querySelectorAllFromAnchor.call(ytdFlexyElm, 'ytd-donation-shelf-renderer.ytd-watch-flexy:not([hidden])').length === 0) {
  7060.       wls.layoutStatus = new_layoutStatus & (~LAYOUT_DONATION_SHELF_EXPANDED)
  7061.     }
  7062.  
  7063.   }
  7064.  
  7065.  
  7066.   function extractInfoFromLiveChatRenderer(liveChatRenderer) {
  7067.  
  7068.     let lcr = liveChatRenderer
  7069.  
  7070.     let data_shb = ((lcr || 0).showHideButton || 0).toggleButtonRenderer
  7071.  
  7072.     let default_display_state = null, txt_collapse = null, txt_expand = null;
  7073.  
  7074.  
  7075.     if (data_shb && data_shb.defaultText && data_shb.toggledText && data_shb.defaultText.runs && data_shb.toggledText.runs) {
  7076.  
  7077.       if (data_shb.defaultText.runs.length === 1 && data_shb.toggledText.runs.length === 1) {
  7078.  
  7079.         if (lcr.initialDisplayState == "LIVE_CHAT_DISPLAY_STATE_EXPANDED") {
  7080.  
  7081.           default_display_state = lcr.initialDisplayState
  7082.  
  7083.           txt_collapse = (data_shb.defaultText.runs[0] || 0).text // COLLAPSE the area
  7084.  
  7085.           txt_expand = (data_shb.toggledText.runs[0] || 0).text // expand the area
  7086.  
  7087.         } else if (lcr.initialDisplayState == "LIVE_CHAT_DISPLAY_STATE_COLLAPSED") {
  7088.           default_display_state = lcr.initialDisplayState
  7089.  
  7090.           txt_expand = (data_shb.defaultText.runs[0] || 0).text // expand the area
  7091.  
  7092.           txt_collapse = (data_shb.toggledText.runs[0] || 0).text // COLLAPSE the area
  7093.         }
  7094.  
  7095.  
  7096.         if (typeof txt_expand == 'string' && typeof txt_collapse == 'string' && txt_expand.length > 0 && txt_collapse.length > 0) {
  7097.  
  7098.         } else {
  7099.           txt_expand = null;
  7100.           txt_collapse = null;
  7101.         }
  7102.       }
  7103.  
  7104.     }
  7105.  
  7106.     return { default_display_state, txt_collapse, txt_expand }
  7107.  
  7108.   }
  7109.  
  7110.   let dpeChatRefreshCounter = 0;
  7111.   let proceedingChatFrameVideoID = '';
  7112.   let newVideoPageCACC = -1;
  7113.  
  7114.   function newVideoPage(evt_detail) {
  7115.  
  7116.     //toggleBtnDC = 1;
  7117.  
  7118.     console.debug('[tyt] newVideoPage')
  7119.  
  7120.     const ytdFlexyElm = es.ytdFlexy;
  7121.     if (!ytdFlexyElm) return;
  7122.  
  7123.     timeline.reset();
  7124.     layoutStatusMutex = new Mutex();
  7125.  
  7126.     let liveChatRenderer = null;
  7127.     let isReplay = null;
  7128.  
  7129.     if (pageType !== 'watch') return; // scriptEnable -> pageType shall be always 'watch'
  7130.     resetBuggyLayoutForNewVideoPage();
  7131.  
  7132.     try {
  7133.       liveChatRenderer = evt_detail.pageData.response.contents.twoColumnWatchNextResults.conversationBar.liveChatRenderer
  7134.     } catch (e) { }
  7135.     if (liveChatRenderer) {
  7136.       if (liveChatRenderer.isReplay === true) isReplay = true;
  7137.     }
  7138.  
  7139.     pageFetchedDataVideoId = ((((evt_detail || 0).pageData || 0).playerResponse || 0).videoDetails || 0).videoId || 0;
  7140.  
  7141.  
  7142.     const fvid = pageFetchedDataVideoId;
  7143.     const tyid = ++dpeChatRefreshCounter;
  7144.     proceedingChatFrameVideoID = '';
  7145.     newVideoPageCACC = chatroomAttrCollapseCount;
  7146.     setTimeout(() => {
  7147.       if (fvid !== pageFetchedDataVideoId) return;
  7148.       if (tyid !== dpeChatRefreshCounter) return;
  7149.       ++dpeChatRefreshCounter;
  7150.       const chat = document.querySelector('ytd-live-chat-frame#chat');
  7151.       if (chat && !chat.hasAttribute('collapsed')) {
  7152.         proceedingChatFrameVideoID = fvid;
  7153.         dpeNewUrlChat(chat);
  7154.       }
  7155.     }, 67);
  7156.  
  7157.  
  7158.     const chatBlockR = liveChatRenderer ? (isReplay ? 3 : 1) : 0
  7159.     const initialDisplayState = liveChatRenderer ? liveChatRenderer.initialDisplayState : null;
  7160.  
  7161.  
  7162.     liveChatRenderer = null; // release memory for GC, just in case
  7163.  
  7164.     let f = () => {
  7165.  
  7166.       _console.log(932, 1, 1)
  7167.       const ytdFlexyElm = es.ytdFlexy;
  7168.       if (!scriptEnable || !ytdFlexyElm) return;
  7169.  
  7170.       _console.log(932, 1, 2)
  7171.       if (pageType !== 'watch') return;
  7172.  
  7173.       _console.log(932, 1, 3)
  7174.  
  7175.  
  7176.       let displayState = setupChatFrameDisplayState1(chatBlockR, initialDisplayState);
  7177.  
  7178.       let { attr_chatblock, attr_chatcollapsed, chatTypeChanged } = displayState;
  7179.  
  7180.  
  7181.       if (pageType === 'watch') { // reset info when hidden
  7182.  
  7183.         let elm_storeLastPanel = es.storeLastPanel;
  7184.  
  7185.         if (!elm_storeLastPanel) storeLastPanel = null;
  7186.         else if (!isDOMVisible(elm_storeLastPanel)) {
  7187.           storeLastPanel = null;
  7188.           ytBtnCloseEngagementPanels();
  7189.         }
  7190.  
  7191.       }
  7192.  
  7193.       if (chatTypeChanged) {
  7194.  
  7195.         if (attr_chatblock == 'chat$live') {
  7196.  
  7197.           _console.log(932, 4)
  7198.  
  7199.           mtf_forceCheckLiveVideo_disable = 2;
  7200.  
  7201.           //console.log(3712,1)
  7202.  
  7203.           _disableComments();
  7204.  
  7205.  
  7206.         } else {
  7207.  
  7208.           const tabBtn = document.querySelector('[tyt-tab-content="#tab-comments"].tab-btn-hidden')
  7209.           if (tabBtn) {
  7210.             emptyCommentSection();
  7211.             _console.log(9360, 74);
  7212.             setTabBtnVisible(tabBtn, true);
  7213.           } else {
  7214.             setCommentSection(0);
  7215.           }
  7216.  
  7217.           mtf_forceCheckLiveVideo_disable = 0;
  7218.  
  7219.           _console.log(7234, 'comments_section_loaded = 0')
  7220.           restoreFetching();
  7221.  
  7222.  
  7223.         }
  7224.  
  7225.  
  7226.       } else {
  7227.  
  7228.         // restore Fetching only
  7229.  
  7230.         if (mtf_forceCheckLiveVideo_disable !== 2 && (attr_chatblock === false || attr_chatblock === 'chat$playback')) {
  7231.  
  7232.           emptyCommentSection();
  7233.           _console.log(9360, 77);
  7234.           mtf_forceCheckLiveVideo_disable = 0;
  7235.           _console.log(7235, 'comments_section_loaded = 0')
  7236.           restoreFetching();
  7237.  
  7238.         }
  7239.  
  7240.       }
  7241.  
  7242.  
  7243.       checkAndMakeNewCommentFetch();
  7244.  
  7245.     }
  7246.  
  7247.     f();
  7248.  
  7249.   }
  7250.  
  7251.   function setVideosTwoColumns(/** @type {number} */ flag, /** @type {boolean} */ bool) {
  7252.  
  7253.     //two columns to one column
  7254.  
  7255.     /*
  7256.         [placeholder-videos] ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy
  7257.  
  7258.         is-two-columns =""  => no is-two-columns
  7259.         
  7260.         
  7261.         
  7262.         [placeholder-videos] tp-yt-paper-spinner#spinner.style-scope.ytd-continuation-item-renderer
  7263.         
  7264.         no hidden => hidden =""
  7265.         
  7266.         
  7267.         [placeholder-videos] div#button.style-scope.ytd-continuation-item-renderer
  7268.         
  7269.         
  7270.         hidden ="" => no hidden
  7271.         
  7272.  
  7273.         */
  7274.  
  7275.     let cssSelector1 = '[placeholder-videos] ytd-watch-next-secondary-results-renderer.style-scope.ytd-watch-flexy'
  7276.  
  7277.     let cssSelector2 = '[placeholder-videos] tp-yt-paper-spinner#spinner.style-scope.ytd-continuation-item-renderer'
  7278.  
  7279.     let cssSelector3 = '[placeholder-videos] div#button.style-scope.ytd-continuation-item-renderer'
  7280.  
  7281.     let res = {}
  7282.     if (flag & 1) {
  7283.       res.m1 = document.querySelector(cssSelector1)
  7284.       if (res.m1) wAttr(res.m1, 'is-two-columns', bool ? '' : false);
  7285.     }
  7286.  
  7287.     if (flag & 2) {
  7288.       res.m2 = document.querySelector(cssSelector2)
  7289.       if (res.m2) wAttr(res.m2, 'hidden', bool ? false : '');
  7290.     }
  7291.  
  7292.     if (flag & 4) {
  7293.       res.m3 = document.querySelector(cssSelector3)
  7294.       if (res.m3) wAttr(res.m3, 'hidden', bool ? '' : false);
  7295.     }
  7296.  
  7297.     return res
  7298.  
  7299.  
  7300.   }
  7301.  
  7302.  
  7303.   // ---------------------------------------------------------------------------------------------
  7304.  
  7305.   // ---- EVENTS ----
  7306.  
  7307.   let ytEventSequence = 0
  7308.   let formatDates = null
  7309.  
  7310.  
  7311.   function pageBeingFetched(evt, isPageFirstLoaded) {
  7312.  
  7313.     let nodeName = (((evt || 0).target || 0).nodeName || '').toUpperCase()
  7314.     if (nodeName !== 'YTD-APP') return;
  7315.  
  7316.     let pageFetchedDataLocal = evt.detail;
  7317.  
  7318.     let d_page = ((pageFetchedDataLocal || 0).pageData || 0).page;
  7319.     if (!d_page) return;
  7320.  
  7321.     pageType = d_page;
  7322.  
  7323.     if (pageType !== 'watch') return
  7324.  
  7325.     let promiseChatDetails = null
  7326.  
  7327.     let isFirstLoad = firstLoadStatus & 8;
  7328.  
  7329.     if (isFirstLoad) {
  7330.       firstLoadStatus -= 8;
  7331.       document.addEventListener('load', iframeLoadHookA, capturePassive)
  7332.       ytMicroEventsInit();
  7333.     }
  7334.     // ytMicroEventsInit set
  7335.     variableResets();
  7336.  
  7337.     if (isFirstLoad) {
  7338.  
  7339.       if (ytEventSequence >= 2) {
  7340.         let docElement = document.documentElement
  7341.         if (docElement.hasAttribute('tabview-loaded')) {
  7342.           throw 'Tabview Youtube Duplicated';
  7343.         }
  7344.         docElement.setAttribute('tabview-loaded', '')
  7345.  
  7346.         Promise.resolve(docElement).then(docElement => {
  7347.           if (ytEventSequence >= 2) {
  7348.             docElement.dispatchEvent(new CustomEvent('tabview-ce-hack'))
  7349.             docElement = null
  7350.           }
  7351.         })
  7352.  
  7353.       }
  7354.     }
  7355.     // tabview-loaded delay set
  7356.  
  7357.     formatDates = {}
  7358.     try {
  7359.       formatDates.publishDate = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.publishDate
  7360.     } catch (e) { }
  7361.     // 2022-12-30
  7362.  
  7363.     try {
  7364.       formatDates.uploadDate = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.uploadDate
  7365.     } catch (e) { }
  7366.     // 2022-12-30
  7367.  
  7368.     try {
  7369.       formatDates.publishDate2 = pageFetchedDataLocal.pageData.response.contents.twoColumnWatchNextResults.results.results.contents[0].videoPrimaryInfoRenderer.dateText.simpleText
  7370.     } catch (e) { }
  7371.     // 2022/12/31
  7372.  
  7373.     if (typeof formatDates.publishDate2 === 'string' && formatDates.publishDate2 !== formatDates.publishDate) {
  7374.       formatDates.publishDate = formatDates.publishDate2
  7375.       formatDates.uploadDate = null
  7376.     }
  7377.  
  7378.     try {
  7379.       formatDates.broadcastBeginAt = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.liveBroadcastDetails.startTimestamp
  7380.     } catch (e) { }
  7381.     try {
  7382.       formatDates.broadcastEndAt = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.liveBroadcastDetails.endTimestamp
  7383.     } catch (e) { }
  7384.     try {
  7385.       formatDates.isLiveNow = pageFetchedDataLocal.pageData.playerResponse.microformat.playerMicroformatRenderer.liveBroadcastDetails.isLiveNow
  7386.     } catch (e) { }
  7387.  
  7388.     promiseChatDetails = Promise.resolve().then(() => {
  7389.       if (ytEventSequence >= 2) {
  7390.         let liveChatRenderer = null;
  7391.         try {
  7392.           liveChatRenderer = pageFetchedDataLocal.pageData.response.contents.twoColumnWatchNextResults.conversationBar.liveChatRenderer
  7393.         } catch (e) { }
  7394.         chatroomDetails = liveChatRenderer ? extractInfoFromLiveChatRenderer(liveChatRenderer) : null;
  7395.         liveChatRenderer = null; // release memory for GC, just in case
  7396.       }
  7397.     });
  7398.  
  7399.     let ytdFlexyElm = document.querySelector('ytd-watch-flexy')
  7400.  
  7401.     if (!ytdFlexyElm) return;
  7402.  
  7403.  
  7404.     ytdFlexy = mWeakRef(ytdFlexyElm);
  7405.  
  7406.     ytdFlexyElm = null;
  7407.  
  7408.     Promise.resolve(0).then(() => {
  7409.  
  7410.       if (ytEventSequence >= 2 && pageRendered === 0) {
  7411.  
  7412.         const ytdFlexyElm = es.ytdFlexy; // shall be always non-null
  7413.         if (ytdFlexyElm) {
  7414.  
  7415.           let elmPL = document.createElement('tabview-view-ploader');
  7416.           pageRendered = 1;
  7417.           // ytdFlexyElm.appendChild(elmPL);
  7418.           elementAppend.call(ytdFlexyElm, elmPL);
  7419.           // pageRendered keeps at 1 if the video is continuously playing at the background
  7420.           // pageRendered would not be resolve but will reset for each change of video
  7421.  
  7422.         }
  7423.  
  7424.       }
  7425.  
  7426.     })
  7427.  
  7428.     let renderId = renderIdentifier
  7429.     renderDeferred.debounce(() => {
  7430.       if (renderId !== renderIdentifier) return
  7431.       if (ytEventSequence >= 2) {
  7432.         advanceFetch(); // at least one triggering at yt-page-data-fetched
  7433.       }
  7434.     });
  7435.  
  7436.     Promise.race([promiseChatDetails]).then(() => {
  7437.  
  7438.       const ytdFlexyElm = es.ytdFlexy;
  7439.       if (ytEventSequence >= 2 && ytdFlexyElm) {
  7440.         ytdFlexyElm.classList.toggle('tyt-chat-toggleable', !!chatroomDetails);
  7441.       }
  7442.  
  7443.     }).then(() => {
  7444.  
  7445.       if (ytEventSequence >= 2) {
  7446.  
  7447.         let tabsDeferredSess = pageSession.session();
  7448.         if (!scriptEnable && tabsDeferred.resolved) { }
  7449.         else tabsDeferred.debounce(() => {
  7450.  
  7451.           if (!tabsDeferredSess.isValid) return;
  7452.           tabsDeferredSess = null;
  7453.  
  7454.           if (ytEventSequence >= 2 && pageFetchedDataLocal !== null) {
  7455.             domInit_comments();
  7456.             newVideoPage(pageFetchedDataLocal);
  7457.             pageFetchedDataLocal = null;
  7458.           }
  7459.  
  7460.         });
  7461.  
  7462.       }
  7463.  
  7464.     })
  7465.  
  7466.   }
  7467.  
  7468.   let pageSeqMutex = new Mutex()
  7469.  
  7470.   function pageSeq1(evt) {
  7471.     _navigateLoadDT = 0
  7472.     if (ytEventSequence !== 1) {
  7473.       ytEventSequence = 1
  7474.       pageSeqMutex.lockWith(unlock => {
  7475.         pageBeingInit();
  7476.         unlock();
  7477.       })
  7478.     }
  7479.   }
  7480.  
  7481.   function pageSeq2(evt) {
  7482.     _navigateLoadDT = 0
  7483.  
  7484.     if (ytEventSequence !== 1) {
  7485.       ytEventSequence = 1
  7486.       pageSeqMutex.lockWith(unlock => {
  7487.         pageBeingInit();
  7488.         unlock();
  7489.       })
  7490.     }
  7491.     if (ytEventSequence === 1) {
  7492.       ytEventSequence = 2
  7493.  
  7494.  
  7495.       pageType = null
  7496.  
  7497.       pageSeqMutex.lockWith(unlock => {
  7498.  
  7499.         let mIsPageFirstLoaded = _isPageFirstLoaded
  7500.  
  7501.         pageType = null
  7502.         // mIsPageFirstLoaded && console.time("Tabview Youtube Load")
  7503.         pageBeingFetched(evt, mIsPageFirstLoaded)
  7504.         // mIsPageFirstLoaded && console.timeEnd("Tabview Youtube Load")
  7505.         // ytMicroEventsInit set + tabview-loaded delay set
  7506.         Promise.resolve().then(() => {
  7507.           if (ytEventSequence >= 2) {
  7508.             document.documentElement.classList.toggle('tabview-normal-player', pageType === 'watch');
  7509.           }
  7510.         })
  7511.         if (pageType !== 'watch') {
  7512.           ytdFlexy = null
  7513.           chatroomDetails = null
  7514.           Promise.resolve(0).then(() => {
  7515.             if (ytEventSequence >= 2) {
  7516.               variableResets();
  7517.               emptyCommentSection();
  7518.               _console.log(9360, 75);
  7519.               tabsDeferred.reset();
  7520.               _pageBeingInit();
  7521.               tabsDeferred.resolve(); // for page initialization
  7522.             }
  7523.           })
  7524.         }
  7525.  
  7526.         if (_updateTimeAccum > 0) {
  7527.           let currentVideo = document.querySelector('#movie_player video[src]')
  7528.           let keep_viTime = false
  7529.           if (currentVideo && currentVideo.readyState > currentVideo.HAVE_CURRENT_DATA && currentVideo.currentTime > 2.2) {
  7530.             // allow miniview browsing
  7531.             keep_viTime = true
  7532.           }
  7533.           if (!keep_viTime) {
  7534.             _viTimeNum = 200;
  7535.             _updateTimeAccum = 0;
  7536.             delete document.head.dataset.viTime;
  7537.           }
  7538.         }
  7539.  
  7540.         unlock();
  7541.       })
  7542.     }
  7543.  
  7544.   }
  7545.  
  7546.   function pageSeq3(evt) {
  7547.     _navigateLoadDT = 0
  7548.  
  7549.     if (ytEventSequence === 2) {
  7550.       ytEventSequence = 3
  7551.  
  7552.       pageSeqMutex.lockWith(unlock => {
  7553.         if (pageType === 'watch') {
  7554.           let mIsPageFirstLoaded = _isPageFirstLoaded
  7555.           // ytMicroEventsInit set + tabview-loaded delay set
  7556.           onNavigationEndAsync(mIsPageFirstLoaded)
  7557.           _isPageFirstLoaded = false
  7558.         }
  7559.  
  7560.  
  7561.         unlock();
  7562.       })
  7563.     }
  7564.   }
  7565.  
  7566.  
  7567.   document.addEventListener('yt-navigate-start', pageSeq1, bubblePassive)
  7568.   document.addEventListener('yt-navigate-cache', pageSeq1, bubblePassive)
  7569.   document.addEventListener('yt-navigate-redirect', pageSeq1, bubblePassive)
  7570.   document.addEventListener('yt-page-data-fetched', pageSeq2, bubblePassive)
  7571.   document.addEventListener("yt-navigate-finish", pageSeq3, bubblePassive)
  7572.   //yt-navigate-redirect
  7573.   //yt-page-data-fetched
  7574.   //yt-navigate-error
  7575.   //yt-navigate-start
  7576.   //yt-page-manager-navigate-start
  7577.   //yt-navigate
  7578.   //yt-navigate-cache
  7579.  
  7580.   globalHook('yt-page-data-fetched', generalLog901)
  7581.   //globalHook('yt-rendererstamper-finished',generalLog901)
  7582.   globalHook('yt-page-data-updated', generalLog901)
  7583.   globalHook('yt-player-updated', generalLog901)
  7584.   globalHook('yt-watch-comments-ready', generalLog901)
  7585.   globalHook('yt-page-type-changed', generalLog901)
  7586.   globalHook('data-changed', generalLog901)
  7587.   globalHook('yt-navigate-finish', generalLog901)
  7588.   globalHook('yt-navigate-redirect', generalLog901)
  7589.   globalHook('yt-navigate-error', generalLog901)
  7590.   globalHook('yt-navigate-start', generalLog901)
  7591.   globalHook('yt-page-manager-navigate-start', generalLog901)
  7592.   globalHook('yt-navigate', generalLog901)
  7593.   globalHook('yt-navigate-cache', generalLog901)
  7594.  
  7595.  
  7596.   // ---------------------------------------------------------------------------------------------
  7597.  
  7598.  
  7599.   function manualResizeT() {
  7600.  
  7601.     if (!scriptEnable) return;
  7602.     if (pageType !== 'watch') return;
  7603.     //lastResizeAt = Date.now();
  7604.  
  7605.     if ((wls.layoutStatus & LAYOUT_FULLSCREEN) === LAYOUT_FULLSCREEN) {
  7606.  
  7607.     } else if ((wls.layoutStatus & LAYOUT_TWO_COLUMNS) === 0) {
  7608.       // single col
  7609.  
  7610.       setTimeout3(() => {
  7611.         singleColumnScrolling(true)
  7612.       })
  7613.  
  7614.     } else {
  7615.       // two cols
  7616.  
  7617.       updateFloatingSlider();
  7618.  
  7619.     }
  7620.  
  7621.  
  7622.   }
  7623.   //let lastResizeAt = 0;  
  7624.   let resizeCount = 0;
  7625.   window.addEventListener('resize', function (evt) {
  7626.  
  7627.     if (evt.isTrusted === true) {
  7628.       //console.log(evt)
  7629.       let tcw = ++resizeCount;
  7630.       Promise.resolve(0).then(() => {
  7631.         if (tcw !== resizeCount) return;
  7632.         setTimeout(() => {
  7633.           // avoid duplicate calling during resizing
  7634.           if (tcw !== resizeCount) return;
  7635.  
  7636.           resizeCount = 0;
  7637.           manualResizeT();
  7638.           dispatchCommentRowResize();
  7639.         }, 160);
  7640.       });
  7641.     }
  7642.  
  7643.   }, bubblePassive)
  7644.  
  7645.  
  7646.   document.addEventListener("tyt-chat-popup", (evt) => {
  7647.  
  7648.     let detail = (evt || 0).detail
  7649.     if (!detail) return
  7650.     const { popuped } = detail
  7651.     if (typeof popuped !== 'boolean') return;
  7652.  
  7653.     let ytdFlexyElm = es.ytdFlexy
  7654.     if (!ytdFlexyElm) return
  7655.  
  7656.     ytdFlexyElm.classList.toggle('tyt-chat-popup', popuped)
  7657.     if (popuped === true) {
  7658.       enableLivePopupCheck = true;
  7659.       ytBtnSetTheater()
  7660.     } else {
  7661.       enableLivePopupCheck = false;
  7662.       ytBtnCancelTheater()
  7663.     }
  7664.  
  7665.   })
  7666.  
  7667.  
  7668.  
  7669.   let doingSelectionChange = false;
  7670.   document.addEventListener("keyup", (evt) => {
  7671.     if (!evt || !evt.target || !evt.key) return;
  7672.     if (doingSelectionChange) {
  7673.       if (!evt.shiftKey || evt.key.indexOf("Shift") == 0) {
  7674.         doingSelectionChange = false;
  7675.       }
  7676.     }
  7677.   })
  7678.  
  7679.   document.addEventListener("keydown", (evt) => {
  7680.     if (!evt || !evt.target || !evt.key) return;
  7681.     if (evt.shiftKey && evt.key.indexOf("Arrow") == 0) {
  7682.       try {
  7683.         if (doingSelectionChange || !window.getSelection().isCollapsed) {
  7684.           evt.stopImmediatePropagation();
  7685.           evt.stopPropagation();
  7686.           doingSelectionChange = true;
  7687.         }
  7688.  
  7689.       } catch (e) {
  7690.  
  7691.       }
  7692.     }
  7693.   }, true);
  7694.  
  7695.   let userActivation = false;
  7696.  
  7697.   document.addEventListener('click', function () {
  7698.     userActivation = true;
  7699.  
  7700.  
  7701.     if (isMiniviewForStickyHeadEnabled && !isStickyHeaderEnabled && userActivation && videoInsected) {
  7702.       setTimeout(delayedClickHandler, 80);
  7703.     }
  7704.  
  7705.     // if(isMiniviewForStickyHeadEnabled && !isStickyHeaderEnabled && userActivation){
  7706.     //   setTimeout(restorePIPforStickyHead, 80);
  7707.     // }else if(!isMiniviewForStickyHeadEnabled && isStickyHeaderEnabled && userActivation && typeof IntersectionObserver == 'function'){
  7708.     //   setTimeout(enablePIPforStickyHead, 80);
  7709.     // }
  7710.   });
  7711.  
  7712.   // new comment count fetch way
  7713.   document.addEventListener('ytd-comments-data-changed', function (evt) {
  7714.     const hasData = (evt.detail || 0).hasData;
  7715.     if (hasData === false) {
  7716.       // this is much effective to clear the counting text
  7717.       emptyCommentSection();
  7718.     }
  7719.     innerDOMCommentsCountLoader(true);
  7720.     checkAndMakeNewCommentFetch();
  7721.   }, true);
  7722.  
  7723.   document.addEventListener('ytd-comments-header-changed', function () {
  7724.     const res = innerDOMCommentsCountLoader(true);
  7725.     if (res && res.newFound === true && res.length === 1 && res[0].isLatest && res[0].isNew) {
  7726.       if (renderDeferred.resolved && fetchCounts.new) {
  7727.         // force refresh count dom
  7728.         fetchCounts.fetched = false;
  7729.         Q.comments_section_loaded = 0;
  7730.       }
  7731.     }
  7732.     checkAndMakeNewCommentFetch();
  7733.   }, true);
  7734.  
  7735.   document.addEventListener("tabview-plugin-loaded", () => {
  7736.  
  7737.     scriptletDeferred.resolve();
  7738.  
  7739.     if (MINIVIEW_BROWSER_ENABLE) {
  7740.       document.dispatchEvent(new CustomEvent("tabview-miniview-browser-enable"));
  7741.     }
  7742.  
  7743.   }, false)
  7744.  
  7745.   if (isGMAvailable() && typeof GM_registerMenuCommand === 'function') {
  7746.  
  7747.     let dialog = null;
  7748.     function createDialog() {
  7749.  
  7750.       const _themeProps_ = {
  7751.         dialogBackgroundColor: '#f6f6f6',
  7752.         dialogBackgroundColorDark: '#23252a',
  7753.         backdropColor: '#b5b5b568',
  7754.         textColor: '#111111',
  7755.         textColorDark: '#f0f3f4',
  7756.         zIndex: 60000,
  7757.         fontSize: '10pt',
  7758.         dialogMinWidth: '32px',
  7759.         dialogMinHeight: '24px',
  7760.       };
  7761.  
  7762.       class VJSD extends VanillaJSDialog {
  7763.  
  7764.         get themeProps() {
  7765.           return _themeProps_
  7766.         }
  7767.  
  7768.         isDarkTheme() {
  7769.           return document.documentElement.hasAttribute('dark');
  7770.         }
  7771.  
  7772.         onBeforeShow() {
  7773.           const es = this.es;
  7774.           if ('checkboxSelectionDisplay' in es) {
  7775.             es.checkboxSelectionDisplay.textContent = '';
  7776.           }
  7777.           const setDefaultTabTick = (myDefaultTab) => {
  7778.             for (const checkbox of document.getElementsByName('tabview-tab-default')) {
  7779.               checkbox.checked = checkbox.value === myDefaultTab;
  7780.             }
  7781.           }
  7782.           function getDefaultTabBtnSetting(store) {
  7783.             if (!store) { } else {
  7784.               let myDefaultTab = store[key_default_tab];
  7785.               if (!myDefaultTab || typeof myDefaultTab !== 'string' || !/^\#[a-zA-Z\_\-\+]+$/.test(myDefaultTab)) {
  7786.               } else {
  7787.                 if (document.querySelector(`.tab-btn[tyt-tab-content="${myDefaultTab}"]`)) return setDefaultTabTick(myDefaultTab);
  7788.               }
  7789.             }
  7790.             setDefaultTabTick(null);
  7791.           }
  7792.           let store = getStore();
  7793.           getDefaultTabBtnSetting(store);
  7794.         }
  7795.  
  7796.         onFirstCreation() {
  7797.  
  7798.           const S = this.S; /* this is the global method */
  7799.  
  7800.           /* on top of the setup function, override the icon widget on global method */
  7801.           S.widgets.icon = (iconTag) => {
  7802.             return S.ce('i', { className: 'vjsd-icon fa-solid fa-' + iconTag });
  7803.           }
  7804.  
  7805.           /* you might also overide `S.importCSS` by the use of Userscript Manager's import */
  7806.           S.importCSS(
  7807.             'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/fontawesome.min.css#sha512=SgaqKKxJDQ/tAUAAXzvxZz33rmn7leYDYfBP+YoMRSENhf3zJyx3SBASt/OfeQwBHA1nxMis7mM3EV/oYT6Fdw==',
  7808.             // 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/brands.min.css',
  7809.             'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/solid.min.css#sha512=yDUXOUWwbHH4ggxueDnC5vJv4tmfySpVdIcN1LksGZi8W8EVZv4uKGrQc0pVf66zS7LDhFJM7Zdeow1sw1/8Jw=='
  7810.           );
  7811.  
  7812.           /* load CSS files, etc - You might overide the `getTheme()` in VanillaJSDialog */
  7813.           this.themeSetup();
  7814.         }
  7815.  
  7816.         /* init is called after setup function is called */
  7817.         init() {
  7818.           const S = this.S; /* this is the global method */
  7819.  
  7820.           const es = this.es; /* this is a store for HTMLElements binded to this dialog */
  7821.  
  7822.           es.dialog = S.ce('div', {
  7823.             className: 'vjsd-dialog'
  7824.           }, {
  7825.             '__vjsd__': ''
  7826.           });
  7827.  
  7828.           es.dialog.append(
  7829.             es.header = S.ce('div', {
  7830.               className: 'vjsd-dialog-header vjsd-hflex'
  7831.             }),
  7832.             es.body = S.ce('div', {
  7833.               className: 'vjsd-dialog-body vjsd-gap-2 vjsd-overscroll-none vjsd-vflex'
  7834.             }),
  7835.             es.footer = S.ce('div', {
  7836.               className: 'vjsd-dialog-footer vjsd-hflex'
  7837.             }),
  7838.  
  7839.           );
  7840.  
  7841.           es.header.append(
  7842.             S.widgets.icon('circle-info', (a) => {
  7843.  
  7844.             }),
  7845.             S.widgets.title('Tabview Youtube - Change Default Tab', {
  7846.               className: 'vjsd-flex-fill'
  7847.             }),
  7848.             S.widgets.buttonIcon('square-xmark', {
  7849.               'vjsd-clickable': '#dialogXmark'
  7850.             })
  7851.           );
  7852.  
  7853.           const checkBoxChanged = () => {
  7854.             let elmChoice1 = [...document.getElementsByName('tabview-tab-default')].filter(e => e.checked).map(e => e.value);
  7855.             console.assert(elmChoice1.length <= 1);
  7856.             es.checkboxSelectionDisplay.textContent = elmChoice1.length === 1 ? `The default tab will be set to ${elmChoice1[0]}` : `The default tab will be reset.`;
  7857.           }
  7858.  
  7859.           es.body.append(
  7860.             S.widgets.labeledRadio('vjsd-checkbox1 vjsd-checkbox-tick', 'Info', (elmLabel, elmInput) => {
  7861.               elmInput.name = 'tabview-tab-default';
  7862.               elmInput.value = '#tab-info';
  7863.               es.checkbox1 = elmInput;
  7864.               elmInput.addEventListener('change', checkBoxChanged)
  7865.               elmLabel.style.fontSize = '200%';
  7866.             }),
  7867.             S.widgets.labeledRadio('vjsd-checkbox1 vjsd-checkbox-tick', 'Comment', (elmLabel, elmInput) => {
  7868.               elmInput.name = 'tabview-tab-default';
  7869.               elmInput.value = '#tab-comments';
  7870.               es.checkbox2 = elmInput;
  7871.               elmInput.addEventListener('change', checkBoxChanged)
  7872.               elmLabel.style.fontSize = '200%';
  7873.             }),
  7874.             S.widgets.labeledRadio('vjsd-checkbox1 vjsd-checkbox-tick', 'Video', (elmLabel, elmInput) => {
  7875.               elmInput.name = 'tabview-tab-default';
  7876.               elmInput.value = '#tab-videos';
  7877.               es.checkbox3 = elmInput;
  7878.               elmInput.addEventListener('change', checkBoxChanged)
  7879.               elmLabel.style.fontSize = '200%';
  7880.             }),
  7881.             es.checkboxSelectionDisplay = S.ce('div', { className: 'vjsd-custom-widget' })
  7882.           );
  7883.  
  7884.           const onXMarkClicked = () => {
  7885.             this.dismiss();
  7886.           }
  7887.  
  7888.           const onClearClicked = () => {
  7889.             es.checkbox1.checked = false;
  7890.             es.checkbox2.checked = false;
  7891.             es.checkbox3.checked = false;
  7892.             checkBoxChanged();
  7893.           }
  7894.  
  7895.           const onConfirmClicked = () => {
  7896.             let myDefaultTab = null;
  7897.             for (const checkbox of document.getElementsByName('tabview-tab-default')) {
  7898.               if (checkbox.checked) myDefaultTab = checkbox.value;
  7899.             }
  7900.             myDefaultTab = myDefaultTab || null;
  7901.             console.log(myDefaultTab)
  7902.             setMyDefaultTab(myDefaultTab);
  7903.             this.dismiss();
  7904.           }
  7905.  
  7906.           const onCancelClicked = () => {
  7907.             this.dismiss();
  7908.           }
  7909.  
  7910.           es.footer.append(
  7911.             es.clearButton = S.widgets.button('Clear', {
  7912.               'vjsd-clickable': '#clear'
  7913.             }),
  7914.             S.widgets.space(),
  7915.             S.widgets.button('Cancel', {
  7916.               'vjsd-clickable': '#cancel'
  7917.             }),
  7918.             S.widgets.button('Confirm', {
  7919.               'vjsd-clickable': '#confirm'
  7920.             }),
  7921.           )
  7922.  
  7923.           this.clickable('#cancel', onCancelClicked)
  7924.           this.clickable('#clear', onClearClicked)
  7925.           this.clickable('#confirm', onConfirmClicked)
  7926.           this.clickable('#dialogXmark', onXMarkClicked);
  7927.  
  7928.           this.backdrop = 'dismiss';
  7929.           document.body.appendChild(es.dialog)
  7930.         }
  7931.       }
  7932.  
  7933.       VJSD.setup1();
  7934.       return new VJSD();
  7935.     }
  7936.  
  7937.     GM_registerMenuCommand("Change Default Tab", function () {
  7938.       dialog = dialog || createDialog();
  7939.       dialog.show();
  7940.     });
  7941.  
  7942.     /*
  7943.   GM_registerMenuCommand("Default Tab: NULL", function () {
  7944.     setMyDefaultTab(null);
  7945.   });
  7946.   GM_registerMenuCommand("Default Tab: Info", function () {
  7947.     setMyDefaultTab("#tab-info");
  7948.   });
  7949.   GM_registerMenuCommand("Default Tab: Comments", function () {
  7950.     setMyDefaultTab("#tab-comments");
  7951.   });
  7952.   GM_registerMenuCommand("Default Tab: Video", function () {
  7953.     setMyDefaultTab("#tab-videos");
  7954.   });
  7955.   */
  7956.   }
  7957.  
  7958.  
  7959.   handleDOMAppear('#tabview-controller', () => { }); // dummy
  7960.   document.documentElement.appendChild(document.createElement('tabview-controller')).id = 'tabview-tabs-hide-controller';
  7961.   document.documentElement.appendChild(document.createElement('tabview-controller')).id = 'tabview-default-tab-controller';
  7962.  
  7963.   document.documentElement.setAttribute('plugin-tabview-youtube', `${scriptVersionForExternal}`)
  7964.   if (document.documentElement.getAttribute('tabview-unwrapjs')) {
  7965.     document.dispatchEvent(new CustomEvent("tabview-plugin-loaded"))
  7966.   }
  7967.  
  7968.  
  7969.   // function nestedObjectFlatten(prefix, obj) {
  7970.   //   let ret = {};
  7971.   //   let _prefix = prefix ? `${prefix}.` : '';
  7972.   //   let isObject = (obj && typeof obj == 'object' && obj.constructor.name == 'Object');
  7973.   //   let isArray = (obj && typeof obj == 'object' && obj.constructor.name == 'Array');
  7974.   //   const f = (k, v) => {
  7975.   //     let isObject = (v && typeof v == 'object' && v.constructor.name == 'Object');
  7976.   //     let isArray = (v && typeof v == 'object' && v.constructor.name == 'Array');
  7977.   //     if (isObject || isArray) {
  7978.   //       let r = nestedObjectFlatten(k, v)
  7979.   //       for (const w in r) {
  7980.   //         ret[`${_prefix}${w}`] = r[w];
  7981.   //       }
  7982.   //     } else {
  7983.   //       ret[`${_prefix}${k}`] = v;
  7984.   //     }
  7985.   //   }
  7986.   //   if (isObject) {
  7987.   //     for (const k in obj) {
  7988.   //       let v = obj[k];
  7989.   //       f(k, v);
  7990.   //     }
  7991.   //   } else if (isArray) {
  7992.   //     let idx = 0;
  7993.   //     for (const v of obj) {
  7994.   //       let k = `[${idx}]`;
  7995.   //       f(k, v);
  7996.   //       idx++;
  7997.   //     }
  7998.   //   }
  7999.   //   return ret;
  8000.   // }
  8001.  
  8002.   /*
  8003.  
  8004.   for(const p of document.querySelectorAll('ytd-watch-flexy *')){ let m = p.data; if(!m)continue; console.log(m)}
  8005.  
  8006.   function objec
  8007.  
  8008.   */
  8009.  
  8010.  
  8011.   //Object.keys($0).filter(key=>!(key in $0.constructor.prototype))
  8012.  
  8013.   //Object.getOwnPropertyNames(window).filter(k=>k.startsWith('HTML'))
  8014.   //Object.getOwnPropertyNames(window).filter(k=>k.startsWith('HTML')).filter(k=>$0 instanceof window[k])
  8015.  
  8016.  
  8017.   /* --------------------------- browser's bug in -webkit-box ----------------------------------------- */
  8018.  
  8019.   /*
  8020.    fix bug for comment section - version 1.8.7 
  8021.   This issue is the bug in browser's rendering
  8022.    I guess, this is due to the lines clamp with display:-webkit-box 
  8023.    use stupid coding to let it re-render when its content become visible
  8024.    
  8025.   /*
  8026.  
  8027.   ytd-expander[should-use-number-of-lines][collapsed] > #content.ytd-expander {
  8028.       color: var(--yt-spec-text-primary);
  8029.       display: -webkit-box;
  8030.       overflow: hidden;
  8031.       max-height: none;
  8032.       -webkit-box-orient: vertical;
  8033.       -webkit-line-clamp: var(--ytd-expander-max-lines, 4);
  8034.   }
  8035.  
  8036.   // v1.8.36 imposed a effective solution for fixing this bug
  8037.  
  8038.   */
  8039.  
  8040.   /* --------------------------- browser's bug in -webkit-box ----------------------------------------- */
  8041.  
  8042.  
  8043.   /**
  8044.    * 
  8045.  
  8046.  
  8047. f.initChildrenObserver=function(){var a=this;this.observer=new MutationObserver(function(){return a.childrenChanged()});
  8048. this.observer.observe(this.$.content,{subtree:!0,childList:!0,attributes:!0});this.childrenChanged()};
  8049. f.childrenChanged=function(){var a=this;this.alwaysToggleable?this.canToggle=this.alwaysToggleable:this.canToggleJobId||(this.canToggleJobId=window.requestAnimationFrame(function(){$h(function(){a.canToggleJobId=0;a.calculateCanCollapse()})}))};
  8050.  
  8051.  
  8052. f.onIronResize=function(){this.recomputeOnResize&&this.childrenChanged()};
  8053.  
  8054.  
  8055. onButtonClick_:function(){this.fire("yt-close-upsell-dialog")},
  8056. computeHasHeader_:function(a){return!!a.headerBackgroundImage}});var geb;var heb;var ieb;var jeb;var xI=function(){var a=L.apply(this,arguments)||this;a.alignAuto=!1;a.collapsed=!0;a.isToggled=!1;a.alwaysCollapsed=!1;a.canToggle=!0;a.collapsedHeight=80;a.disableToggle=!1;a.alwaysToggleable=!1;a.reversed=!1;a.shouldUseNumberOfLines=!1;a.recomputeOnResize=!1;a.canToggleJobId=0;return a};
  8057. n(xI,L);f=xI.prototype;f.alwaysToggleableChanged=function(){this.alwaysToggleable&&(this.canToggle=!0)};
  8058.  
  8059.  
  8060. f.calculateCanCollapse=function(){this.canToggle=this.shouldUseNumberOfLines?this.alwaysToggleable||this.$.content.offsetHeight<this.$.content.scrollHeight:this.alwaysToggleable||this.$.content.scrollHeight>this.collapsedHeight};
  8061. f.detachObserver=function(){this.observer&&this.observer.disconnect()};
  8062.  
  8063.    * 
  8064.    * 
  8065.    * 
  8066.    */
  8067.  
  8068.  
  8069. })({
  8070.   requestAnimationFrame: (typeof webkitRequestAnimationFrame === 'function' ? webkitRequestAnimationFrame : requestAnimationFrame),
  8071.   cancelAnimationFrame: (typeof webkitRequestAnimationFrame === 'function' ? webkitRequestAnimationFrame : requestAnimationFrame)
  8072. });
  8073. // console.timeEnd("Tabview Youtube Init Script")
  8074.  
  8075.     // https://github.com/cyfung1031/Tabview-Youtube/raw/main/js/content.js
  8076.  
  8077. }
  8078.  
  8079.  
  8080. ;!(function $$() {
  8081.     'use strict';
  8082.  
  8083.     if(document.documentElement==null) return window.requestAnimationFrame($$)
  8084.  
  8085.     const cssTxt = GM_getResourceText("contentCSS");
  8086.  
  8087.     function addStyle (styleText) {
  8088.       const styleNode = document.createElement('style');
  8089.       styleNode.textContent = styleText;
  8090.       document.documentElement.appendChild(styleNode);
  8091.       return styleNode;
  8092.     }
  8093.  
  8094.     addStyle (cssTxt);
  8095.  
  8096.     main();
  8097.  
  8098. })();