☰

YouTube - automatically expand subscription list

Automatically click the "Show More" subscriptions button in the side bar

当前为 2021-11-02 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         YouTube - automatically expand subscription list
  3. // @description  Automatically click the "Show More" subscriptions button in the side bar
  4. // @namespace    https://greasyfork.org/en/scripts/367774-youtube-automatically-expand-subscription-list
  5. // @version      0.1.4
  6. // @author       Valacar
  7. // @include      https://www.youtube.com/*
  8. // @noframes
  9. // @grant        none
  10. // ==/UserScript==
  11.  
  12. (function() {
  13.   'use strict';
  14.  
  15.   const DEBUGGING = 0;
  16.   const debugLog = DEBUGGING ? console.debug : function() {};
  17.   const debugAssert = DEBUGGING ? console.assert : function() {};
  18.  
  19.   window.addEventListener("loadstart", expandSubscriptions, true);
  20.  
  21.   function expandSubscriptions() {
  22.     const expanders = document.querySelectorAll("ytd-guide-collapsible-entry-renderer");
  23.     debugLog("----------");
  24.     debugLog("::: Found %d expanders", expanders.length);
  25.     if (expanders.length == 0) {
  26.       window.removeEventListener("loadstart", expandSubscriptions, true);
  27.     }
  28.     for (let expander of expanders) {
  29.       debugLog("\t", expander);
  30.       debugAssert(expander.previousSibling);
  31.       const itemAbove = expander.previousSibling;
  32.       const subscriptionChannel = itemAbove.querySelectorAll(
  33.         'a[href^="/c/"],a[href^="/user/"],a[href^="/feed/subscriptions/"],a[href^="/channel/"]'
  34.       );
  35.       if (subscriptionChannel.length) {
  36.         debugLog("\t\tFound a subscription channel", subscriptionChannel[0]);
  37.         const isExpanded = expander.hasAttribute("expanded");
  38.         if (!isExpanded) {
  39.           const expanderItem = expander.querySelector("#expander-item");
  40.           if (expanderItem) {
  41.             debugLog("::: Found #expander-item", expanderItem);
  42.             debugLog("::: %cClicking #expander-item",
  43.               "background: green; color: white; font-weight: bold;"
  44.             );
  45.             expanderItem.click();
  46.             window.removeEventListener("loadstart", expandSubscriptions, true);
  47.           } else {
  48.             debugLog("::: Can't find #expander-item to click.");
  49.           }
  50.           return;
  51.         } else {
  52.           debugLog("::: Expander is already expanded. Not clicking.");
  53.         }
  54.       } else {
  55.         debugLog("\t\tNo subscription channel link above expander.");
  56.       }
  57.     }
  58.   }
  59.  
  60. })();