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YouTube - Enable Live Chat By Default

Automatically changes the chat view to Live Chat when it loads. (Works with chat replays, too.)

  1. // ==UserScript==
  2. // @name        YouTube - Enable Live Chat By Default
  3. // @namespace   Violentmonkey Scripts
  4. // @description Automatically changes the chat view to Live Chat when it loads. (Works with chat replays, too.)
  5. // @match       https://www.youtube.com/live_chat*
  6. // @include     https://*youtube.*/live_chat*
  7. // @include     https://www.youtube.*/live_chat*
  8. // @include     https://www.youtube.*/live_chat
  9. // @grant       none
  10. // @version     1.0.1
  11. // @author      Jupiter Liar
  12. // @license     CC BY
  13. // @description 3/18/2024, 4:00:00 PM
  14. // ==/UserScript==
  15.  
  16. (function() {
  17.     'use strict';
  18.  
  19.     var maxAttempts = 400;
  20.     var currentAttempt = 0;
  21.  
  22.     // Function to switch chat mode to "Live Chat"
  23.     function changeToLiveChat(liveChatSelector) {
  24.         //console.log("Live chat selector found.");
  25.         // Check if the live chat selector exists
  26.         if (liveChatSelector) {
  27.             // Click the tp-yt-paper-button to switch to "Live Chat" mode
  28.             var paperButton = liveChatSelector.querySelector('tp-yt-paper-button');
  29.             if (paperButton) {
  30.                 paperButton.click();
  31.                 //console.log("Attempting to switch to Live Chat mode...");
  32.                 checkPaperMenuItems();
  33.             } else {
  34.                 //console.log("tp-yt-paper-button not found within live chat selector.");
  35.             }
  36.         }
  37.     }
  38.  
  39.     // Function to click on the appropriate paper item in the paper menu
  40.     function checkPaperMenuItems() {
  41.         var paperMenuItems = document.querySelectorAll('tp-yt-paper-item');
  42.         var foundLiveChat = false;
  43.         var foundUnselected = false;
  44.  
  45.         paperMenuItems.forEach(function(item) {
  46.             var text = item.innerText.toLowerCase();
  47.             if (text.includes("live chat")) {
  48.                 item.click();
  49.                 //console.log("Clicked on paper item with 'Live chat'.");
  50.                 foundLiveChat = true;
  51.             } else {
  52.                 var parentAnchor = item.closest('a');
  53.                 if (parentAnchor && parentAnchor.getAttribute('aria-selected') === "false") {
  54.                     item.click();
  55.                     //console.log("Clicked on unselected paper item.");
  56.                     foundUnselected = true;
  57.                 }
  58.             }
  59.         });
  60.  
  61.         if (!foundLiveChat && !foundUnselected) {
  62.             //console.log("Unable to find appropriate paper menu item.");
  63.         }
  64.     }
  65.  
  66.     // Function to check if the page contains the live chat selector
  67.     function checkLiveChatSelector() {
  68.         //console.log("Attempting to run Live Chat changer script.");
  69.         var liveChatSelector = document.querySelector('#live-chat-view-selector-sub-menu');
  70.         if (liveChatSelector) {
  71.             changeToLiveChat(liveChatSelector);
  72.         }
  73.     }
  74.  
  75.     // Execute when the page and its resources are fully loaded
  76.     window.onload = checkLiveChatSelector;
  77. })();