Youtube 2020 improvements

All Youtube improvements in one pack
当前为 2021-01-03 提交的版本，查看最新版本。
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// ==UserScript==
// @name         Youtube 2020 improvements
// @version      0.5
// @description  All Youtube improvements in one pack
// @author       Burlaka.net
// @match        *://*.youtube.com/*
// @match        *://youtube.com/*
// @require      https://code.jquery.com/jquery-latest.js
// @grant        none
// @namespace    http://tampermonkey.net/
// ==/UserScript==

(function() {
  'use strict';

  // hide three dots in list so we can see date when video published (on narrow screens)
  function hideThreeDots() {
    if ($('#menu-container yt-icon-button#button.dropdown-trigger').length > 0) {
      $('#menu-container yt-icon-button#button.dropdown-trigger').remove();
      clearInterval(hideThreeDotsTimer);
    }
  }
  var hideThreeDotsTimer = setInterval(hideThreeDots, 1000);

  //$('ytd-playlist-panel-renderer#playlist .header').addClass('hidden');//.css('backgroundColor', '#ff6600') //hide();

  // Убирает заголовок плейлиста
  //$('#playlist .header').addClass('hidden').hide();

  //Убирает блок "Для этого видео запись чата отключена."
  //$('ytd-message-renderer.ytd-live-chat-frame').addClass('hidden').hide();
  //$('.ytd-live-chat-frame').addClass('hidden').hide();

  $('body').append('<style>\
#playlist .header {display:none !important;}\
ytd-live-chat-frame#chat {display:none !important;}\
/*#player-theater-container, .html5-video-player {width: 100%;max-width: 854px;height:100%;max-height:480px; margin: 0 auto;}\
#player-theater-container {max-height: 480px !important;}\
#player-container {width: 100%;max-width: 854px;height:100%;max-height:480px; margin: 0 auto;}\
.html5-video-player {width:100%; height:100%}*/\
#container.ytd-masthead {height:34px}\
#page-manager.ytd-app{margin-top:34px}\
  </style>');
/*
ytd-watch-flexy[theater] #player-theater-container.ytd-watch-flexy, ytd-watch-flexy[fullscreen] #player-theater-container.ytd-watch-flexy {height: 480px;}\
*/

  $('ytd-mini-guide-renderer div.ytd-mini-guide-renderer').append('<ytd-mini-guide-entry-renderer class="style-scope ytd-mini-guide-renderer"><!--css-build:shady--><a id="endpoint" role="tab" class="yt-simple-endpoint style-scope ytd-mini-guide-entry-renderer" aria-selected="false" title="В тренде" href="/playlist?list=WL" aria-label="Смотреть позже"><yt-icon id="icon" class="guide-icon style-scope ytd-mini-guide-entry-renderer"><svg viewBox="0 0 24 24" preserveAspectRatio="xMidYMid meet" focusable="false" class="style-scope yt-icon" style="pointer-events: none; display: block; width: 100%; height: 100%;"><g class="style-scope yt-icon"><path d="M12 3.67c-4.58 0-8.33 3.75-8.33 8.33s3.75 8.33 8.33 8.33 8.33-3.75 8.33-8.33S16.58 3.67 12 3.67zm3.5 11.83l-4.33-2.67v-5h1.25v4.34l3.75 2.25-.67 1.08z" class="style-scope yt-icon"></path></g></svg><!--css-build:shady--></yt-icon><span class="title style-scope ytd-mini-guide-entry-renderer">Смотреть позже</span><paper-tooltip animation-delay="0" offset="4" position="right" class="style-scope ytd-mini-guide-entry-renderer" role="tooltip" tabindex="-1" hidden="" style="--paper-tooltip-delay-in:0ms;"><!--css-build:shady--><div id="tooltip" class="hidden style-scope paper-tooltip">Смотреть позже</div></paper-tooltip></a></ytd-mini-guide-entry-renderer>');
  //$('#container.ytd-masthead').css('height','34px');
  //$('#page-manager.ytd-app').css('margin-top', '34px');

  //$('#player-theater-container, .html5-video-player').css('width', '854px').css('height', '480px').css('margin', '0 auto');

  // comment autoexpand onmouseover
  $(document).on('mouseover', '.ytd-item-section-renderer .ytd-comment-renderer ytd-expander', function(e) {
    var $this = $(this);
    $this.removeAttr('collapsed');
    $this.parent().find('#more').attr('hidden');
  });

  // video info autoexpand onmouseover
  $(document).on('mouseover', 'ytd-expander.ytd-video-secondary-info-renderer', function(e) {
    var $this = $(this);
    $this.removeAttr('collapsed');
    $this.find('#collapsible').removeAttr('hidden');
    $this.find('#less').removeAttr('hidden');
    $this.find('#more').attr('hidden');
  });

  // set opacity to viewed videos
  $(document).on('scroll', function() {
    $('#progress.ytd-thumbnail-overlay-resume-playback-renderer').parent().parent().parent().parent().css('opacity', '0.5');
  });

  var viewed_videos_interval;
  function viewed_videos_func() {
    var viewed_set = $('.ytd-thumbnail-overlay-resume-playback-renderer')
    if (viewed_set.length > 0) {
      viewed_set.parent().parent().parent().css('opacity', '0.5');
      clearInterval(viewed_videos_interval);
    }
  }

  // add video date to video views title
  var video_date_interval;
  function video_date_func() {
    var date = $('#date.ytd-video-primary-info-renderer yt-formatted-string.ytd-video-primary-info-renderer')
    if (date.length > 0) {
      $('#count.ytd-video-primary-info-renderer yt-view-count-renderer.ytd-video-primary-info-renderer').attr('title', $(date).text());
      clearInterval(video_date_interval);
    }
  }

  function everywhere_init() { // run on all pages
    viewed_videos_interval = setInterval(viewed_videos_func, 2000);
  }

  function on_video_init() { // run on video pages
    video_date_interval = setInterval(video_date_func, 1000);
  }

  function initLocationWatcher () {
    let lastLocation;

    setInterval(() => {
      let currentLocation = window.location.href;

      if (currentLocation !== lastLocation) {
        everywhere_init(); // run on all pages

        if (currentLocation.search(/watch\?v=/) != -1) { // run on video pages
          on_video_init();
        }

        lastLocation = currentLocation;
      }
    }, 1000);
  }
  initLocationWatcher ();
})();
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