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Discord New Message Alert

Alerts when new messages arrive in Discord chat

  1. // ==UserScript==
  2. // @name         Discord New Message Alert
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.0
  5. // @description  Alerts when new messages arrive in Discord chat
  6. // @author       r!PsAw
  7. // @match        https://discord.com/channels/*
  8. // @match        https://diep.io/*
  9. // @grant        GM_setValue
  10. // @grant        GM_getValue
  11. // @grant        unsafeWindow
  12. // @run-at       document-start
  13. // @license      balls
  14. // ==/UserScript==
  15.  
  16. const win = typeof unsafeWindow !== 'undefined' ? unsafeWindow : window;
  17.  
  18. //detect if we're on discord or diep.io
  19. function where_are_we_rn(){
  20.     switch(win.location.origin){
  21.         case "https://discord.com":
  22.             return "discord";
  23.         case "https://diep.io":
  24.             return "diepio";
  25.         default:
  26.             return "unknown";
  27.     }
  28. }
  29.  
  30. const origin = where_are_we_rn();
  31.  
  32. //logic for discord
  33. let scrollerInner;
  34. let old = new Set();
  35. function find_scrollerInner(){
  36.     if(document.querySelector('[class^="scrollerInner__"]')){
  37.         scrollerInner = document.querySelector('[class^="scrollerInner__"]')
  38.         return;
  39.     }
  40.     setTimeout(find_scrollerInner, 200);
  41. }
  42. find_scrollerInner();
  43.  
  44. function check_classes(element, goal){
  45.     for(let _class of element.classList){
  46.         if(_class.includes(goal)) return true;
  47.     }
  48.     return false;
  49. }
  50.  
  51. function check_id(element, goal) {
  52.     return element.id && element.id.includes(goal);
  53. }
  54.  
  55. function is_message(element){
  56.     return (element.innerText.length > 0 && element.nodeName === 'SPAN');
  57. }
  58.  
  59. function read_messages(){
  60.     if(!scrollerInner || origin != 'discord') return;
  61.     for(let msg of scrollerInner.children){
  62.         if(check_id(msg, 'chat-messages-')){
  63.             let children = msg.children;
  64.             for(let child of children){
  65.             if(check_classes(child, 'message__')){
  66.                 let children1 = child.children;
  67.                 for(let child1 of children1){
  68.                     if(check_classes(child1, 'contents_')){
  69.                         let children2 = child1.children;
  70.                         for(let child2 of children2){
  71.                             if(check_id(child2, 'message-content-')){
  72.                                 let children3 = child2.children;
  73.                                 for(let child3 of children3){
  74.                                     if(is_message(child3)){
  75.                                         //console.log(child3.innerText);
  76.                                         if(!old.has(child3.innerText)){
  77.                                             old.add(child3.innerText);
  78.                                             GM_setValue("Last Message", child3.innerText);
  79.                                         }
  80.                                     }
  81.                                 }
  82.                             }
  83.                         }
  84.                     }
  85.                 }
  86.             }
  87.             }
  88.         }
  89.     }
  90. }
  91. setInterval(read_messages, 1000);
  92.  
  93. //logic for diep.io
  94.  
  95. let last_message = '';
  96. function display_new_message(){
  97.     if(!GM_getValue("Last Message") || origin != 'diepio') return;
  98.  
  99.     const stored_message = GM_getValue("Last Message");
  100.     if(win.input && win.input.doesHaveTank() && stored_message !== last_message){
  101.         console.log(stored_message, last_message, stored_message !== last_message);
  102.         last_message = stored_message;
  103.         win.input.inGameNotification(`[Discord -> Diep.io] ${stored_message}`);
  104.     }
  105. }
  106.  
  107. setInterval(display_new_message, 1000);