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Theater player as default youtube

set youtube player theater mode when open video

当前为 2024-03-13 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name            	Theater player as default youtube
  3. // @namespace       	https://greasyfork.org/users/821661
  4. // @match           	https://www.youtube.com/watch?*
  5. // @grant           	none
  6. // @version         	1.0
  7. // @author          	hdyzen
  8. // @description     	set youtube player theater mode when open video
  9. // @license         	MIT
  10. // ==/UserScript==
  11. 'use strict';
  12.  
  13. // Keyboard Event T
  14. const ev = new KeyboardEvent('keydown', {
  15.     key: 't',
  16.     code: 'KeyT',
  17.     keyCode: 84,
  18.     which: 84,
  19.     altKey: false,
  20.     ctrlKey: false,
  21.     shiftKey: false,
  22.     metaKey: false,
  23. });
  24.  
  25. // Observer
  26. const observer = new MutationObserver(mutations => {
  27.     const playerContainer = document.querySelector('ytd-watch-flexy:has(.html5-video-container > video)');
  28.     switch (playerContainer?.hasAttribute('theater')) {
  29.         case true:
  30.             observer.disconnect();
  31.             break;
  32.         case false:
  33.             observer.disconnect();
  34.             document.dispatchEvent(ev);
  35.             break;
  36.         default:
  37.             break;
  38.     }
  39. });
  40.  
  41. // Start observer
  42. observer.observe(document.body, {
  43.     childList: true,
  44.     subtree: true,
  45. });