Youtube - tag title

Tag tab's title to add more informations: duration, channel, date, age, ...

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Youtube - tag title
// @namespace    https://github.com/Procyon-b
// @version      0.5.6
// @description  Tag tab's title to add more informations: duration, channel, date, age, ...
// @author       Achernar
// @match        https://www.youtube.com/*
// @noframes
// @run-at  document-start
// @grant   GM_setValue
// @grant   GM_getValue
// ==/UserScript==

(function() {
"use strict";
// à

var defConf={
    format: '%d %s %T %s %c %s_t0(s)',
    sep: '✦'
    },
  cfg=defConf,
  format=cfg.format,
  loaded;

function tryUntil(F, TO=150, c=-1, fail) {
  if (!c--) {
    fail && fail();
    return;
    }
  try{F();}catch(e){setTimeout(function(){tryUntil(F,TO,c,fail);}, TO)}
  }

function load() {
  if (loaded) return;
  cfg=GM_getValue('config', null);

  if (!cfg || !cfg.format) {
    GM_setValue('config', defConf);
    cfg=defConf;
    }
  
  let sv=false;
  for (let k in defConf) {
    if ( !(k in cfg) ) {
      cfg[k]=defConf[k];
      sv=true;
      }
    }
  if (sv) {
    GM_setValue('config', cfg);
    }
  format=cfg.format;
  loaded=true;
  }

tryUntil(load, 0, 100);


const max=20, delay=1000, initialDelay=100;
var c=max, loop=false;
var vids={};

function getInitialInfo() {
  var r, t, t0, c, d, T, ID= (/v=([^&]+)/.exec(location.search)) || (/^\/shorts\/([^\/]+)/.exec(location.pathname));
  ID= ID && ID[1];

  if (!ID) return;

  r=vids[ID];

  function fromContext() {
    let RE, js=document.querySelector('script:not([src])[type="application/ld+json"]');
    if (js) {
      try{js=JSON.parse(js.textContent);
      }catch(e){js={};}
      if ( (RE = /^[^\?]+\?v=(.+)$/.exec(js['@id'])) && (RE[1] == ID) ) {
        id=RE[1];
        T=js.name;
        c=js.author;
        d=js.duration;
        t0=new Date(js.uploadDate);
        return T && c && d && t0;
        }
      }
    }

  if (!r) {
    if (!yt) return -1;
    if (!ytInitialPlayerResponse) return;
    var v=ytInitialPlayerResponse.videoDetails;
    if (!v) return;
    var id=v.videoId;
    if (id == ID) {
      T=v.title,
      c=v.author,
      d=ytInitialPlayerResponse.streamingData?.formats?.[0]?.approxDurationMs;
      t=ytInitialPlayerResponse.streamingData?.formats?.[0]?.lastModified;
      t0=ytInitialPlayerResponse.microformat?.playerMicroformatRenderer?.publishDate;
      }
    if ( !(T && c && d && t0) ) fromContext();
    if ( (ID == id) && d) r=vids[id]={T,c,d,t,t0};
    }

  if (r && !r.Tt) {
    let ytid=ytInitialData?.contents?.twoColumnWatchNextResults?.results?.results?.contents;
    let id=findK(ytid, 'videoId');
    if (!ytid) ;
    else if (id==ID) {
      r.Tt=findK(ytid, ['title','text']);
      r.Ct=findK(ytid, ['owner','text']);
      vids[id]=r;
      }
    else try{
      ytid=ytInitialData?.contents?.twoColumnWatchNextResults?.secondaryResults?.secondaryResults?.results[0].itemSectionRenderer.contents;
      for (let i=0, LVM; LVM=ytid[i]?.lockupViewModel; i++) {
        let id=LVM.contentId;
        if (id == ID) {
          r.Tt=findK(LVM, ['title','content']);
          r.Ct=findK(LVM, ['metadataRows', '0', 'content'] ).trim();
          vids[id]=r;
          break;
          }
        }
      }catch(e){}
    }

  return r;
  }


function getNfo(a) {
  if ( (location.pathname != '/watch') && !location.pathname.startsWith('/shorts/') ) {
    return;
    }
  if (loop) {
    return;
    }
  c=max;
  loopGetNfo(a);
  }

function findK(o, k, K) {
  if ( k && (typeof k == 'object') && k.length) return findK(o, k.shift(), k);
  var r;
  if (!k) return;
  if (o === null || typeof o !== 'object') return;
  if (Object.prototype.hasOwnProperty.call(o, k)) {
    r=o[k];
    if (K && K.length) {
      r=findK(r, K.shift(), K);
      }
    }
  else {
   for (let i in o) {
    let V=findK(o[i], k, K);
    if (V !== undefined) return V;
    }
   }

  return r;
}

function loopGetNfo(a) {
  var t, ts, t0, t0s, T, C, D, D2, Tt, Ct;
  if (!loop) {
    let R=getInitialInfo() || {};
    if ( (a == 1) && (R==-1) ) {
      setTimeout(function(){
        loopGetNfo(a);
        }, 100);
      return;
      }
    t=R.t;
    t0=R.t0;
    C=R.c;
    D=R.d;
    T=R.T;
    Tt=R.Tt;
    Ct=R.Ct;
    }
  
  if (!T) {
    loop=false;
    try{
      T=document.querySelector('#title h1').innerText;
      D=document.querySelector('.ytp-chrome-controls .ytp-time-duration').innerText;
      D2=document.querySelector('body > div[id^="watch"][id$="-content"] meta[itemprop="duration"]')?.content;
      C=document.querySelector('#upload-info #channel-name').innerText;
    }catch(e){
      let dl= c==max ? initialDelay : delay;
      if ( (c-- > 0) && (a !== 1) ) {
        loop=true;
        setTimeout(loopGetNfo, dl);
        }
      else c=max;
      return;
      }
    }
  if (!T.trim()) return;

  c=max;
  var d=dur(!D || (D=='0:00') ? D2 : D);
  
  if (t) try {
    let d=new Date(t / 1000);
    let diff=Date.now() - t.slice(0,-3);
    d=new Date( (t / 1000) - (60000 * d.getTimezoneOffset()) );
    t=d.toISOString().split('.')[0].slice(0,-3);
    if (diff) t=t+' ('+dur(diff,true)+')';
    }catch(e){ t=0; }
    
  if (t0) try {
    let d=new Date(t0);
    t0=d.getTime();
    let diff=Date.now() - t0;
    d=new Date( t0 - (60000 * d.getTimezoneOffset()) );
    t0=d.toISOString().split('.')[0].slice(0,-3);
    if (diff) t0=t0+' ('+dur(diff,true)+')';
    }catch(e){ t0=0; }

  function tt(m, s0, spc, z, s1, d) {
    var s='', T;
    if (s0) s+='%s'+(spc?' ':'');
    if (z) {
      if (!t0) return '';
      T=t0;
      }
    else {
      if (!t) return '';
      T=t;
      }
    T=T.replace('T', s1?'%s':'.');
    if (d) T=T.split(' ')[1];
    return s+T;
    }

  var NT=trm( format
        .replace(/%T/g, trm(Tt || T))
        .replace(/%d/g, trm(d))
        .replace(/%c/g, trm(Ct || C))
        
        .replace(/%(s)?(_)?t(0)?(\(s\))?(\(d\))?/g, tt)

        .replace(/%s/g, cfg.sep)
        );


  if (document.title != NT) {
    document.title=NT;
    }
  }

function trm(s) {
  if (typeof s == 'string') return s.trim().replace(/\s+/g, ' ');
  }

function dur(s, full=false) {
  function s2dur(s) {
    let t=parseInt(s/1000);
    S=t%60;
    t=parseInt(t/60);
    M=t%60;
    if (full) {
      t=parseInt(t/60);
      H=t%24;
      d=parseInt(t/24);
      }
    else H=parseInt(t/60);
    }

  var re,r, H,M,S,d;
  if (re=/^(?:(\d*):)?(\d+):(\d+)$/.exec(s)) {
    H=re[1] || 0;
    M=re[2] || 0;
    S=re[3];
    }
  else if (s > 0) {
    s2dur(s);
    }
  else {
    if ( re=/^PT(?:(\d+)M)?(\d+)S$/.exec(s) ) {
      H=parseInt(re[1] || '0');
      S=parseInt(re[2] || '0');
      s2dur( (H * 60 + S) * 1000);
      }
    }

  if (!full) {
    if (S > 44) M++;
    if (M == 60) {
      H++;
      M=0;
      }
    }
  if (H == 0) H='';
  if (!full && !H && !M && !S) M='??';
  else if (!full && !H && (M == 0) ) M=1;
  M=('00'+M).substr(-2);

  if (full) {
    let m, y;
    r='';
    
    y=parseInt(d/365);
    if (y) d=d%365;
    m=parseInt(d/30);
    d=d%30;
    if (y || m) H=M='';
    else if (d && !H) H='0';
    
    if (y) r+=y+'y';
    if (m) r+=m+'m';
    
    r+=(d ? d+'d' : '')+( (H || d) ? H : '')+(!d ? (H?':':'')+M : '');
    }
  else r=H+':'+M;
  return r;
  }

var inited=0;

function init() {
  if (inited++) return true;
  try{load();}catch(e){}

  var obs=new MutationObserver(function(mutL){
    getNfo();
    });
  tryUntil( function(){
    obs.observe(document.querySelector('html > head > title'), {childList:true, subtree:true});
    }, undefined, 50);

  getNfo(1);
  }

if (document.readyState != 'loading') init();
else {
  document.addEventListener('DOMContentLoaded', init);
  document.addEventListener('load', init);
  window.addEventListener('load', init);
  }

})();