☰

YouTube - whitelist channels in uBlock Origin

To whitelist YouTube channels in uBlock Origin

  1. // ==UserScript==
  2. // @name         YouTube - whitelist channels in uBlock Origin
  3. // @namespace    https://github.com/gorhill/uBlock
  4. // @version      1.77
  5. // @description  To whitelist YouTube channels in uBlock Origin
  6. // @author       Raymond Hill (gorhill)
  7. // @match        https://*.youtube.com/*
  8. // @grant        none
  9. // @license      http://creativecommons.org/licenses/by-sa/4.0/
  10. // @supportURL  https://github.com/gorhill/uBlock/issues
  11. // ==/UserScript==
  12.  
  13. // based on https://greasyfork.org/en/scripts/13226-youtube-whitelist-channels-in-ublock-origin
  14. // with adaption from https://greasyfork.org/en/forum/discussion/8985
  15. // further updates to enable compatibility with "material design" by burretploof
  16.  
  17. // First page load
  18. //
  19.  
  20. var exposeUserInURL = function() {
  21.     'use strict';
  22.  
  23.     // To fix issue with user name, parse it from a different query, so
  24.     // the following method works currently. Variable channelId will thus
  25.     // contain the Youtube user name.
  26.     // Replace lines from "var link = document.querySelector ..." to
  27.     // "var channelId = ..." with the following code (within "// ---"):
  28.     // ---
  29.     if(window.location.href.indexOf("/watch") > -1) {
  30.        var link = document.querySelector('[id="watch7-user-header"] a[href^="/user/"]');
  31.         if ( link === null ) {
  32.             link = document.querySelector('[id="watch7-user-header"] a[href^="/channel/"]');
  33.             if ( link === null)
  34.                 //return;
  35.                 link = document.querySelector('[id="top-row"] a[href^="/user/"]');
  36.             if ( link === null ) {
  37.                 link = document.querySelector('[id="top-row"] a[href^="/channel/"]');
  38.                 if ( link === null)
  39.                     return;
  40.             }
  41.         }
  42.     }
  43.     
  44.     var linkHref = link.getAttribute('href');
  45.     var linkmatch = linkHref.match(/\/(user|channel)\/(.+)/);
  46.     if (linkmatch === null)
  47.         return;
  48.     var channelId = linkmatch[2];
  49.     // ---
  50.  
  51.     // Code below need not be changed
  52.     var newArg = channelId !== '' ? 'user=' + encodeURIComponent(channelId) : '';
  53.     var matches = location.search.match(/(?:[?&])(user=(?:[^&]+|$))/);
  54.     var oldArg = matches !== null ? matches[1] : '';
  55.     if ( newArg === oldArg ) {
  56.         return;
  57.     }
  58.     var href = location.href;
  59.     if ( oldArg === '' ) {
  60.         location.replace(href + (location.search === '' ? '?' : '&') + newArg);
  61.         return;
  62.     }
  63.     location.replace(href.replace(oldArg, newArg));
  64. };
  65.  
  66. setTimeout(exposeUserInURL, 25);
  67.  
  68. // DOM modifications
  69.  
  70. var mutationHandlerTimer = null;
  71.  
  72. var mutationHandlerAsync = function() {
  73.     'use strict';
  74.  
  75.     mutationHandlerTimer = null;
  76.     exposeUserInURL();
  77. };
  78.  
  79. var mutationHandler = function(mutations) {
  80.     'use strict';
  81.  
  82.     if ( mutationHandlerTimer !== null ) {
  83.         return;
  84.     }
  85.  
  86.     for ( var i = 0; i < mutations.length; i++ ) {
  87.         if ( mutations[i].addedNodes ) {
  88.             mutationHandlerTimer = setTimeout(mutationHandlerAsync, 25);
  89.             break;
  90.         }
  91.     }
  92. };
  93.  
  94. var observer = new MutationObserver(mutationHandler);
  95. observer.observe(document.body, { childList: true, subtree: true });