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Elethor WebSocket override for window hook

Overrides the WebSocket class and hooks any new instance of a WebSocket to a window.socket reference

  1. // ==UserScript==
  2. // @name         Elethor WebSocket override for window hook
  3. // @description  Overrides the WebSocket class and hooks any new instance of a WebSocket to a window.socket reference
  4. // @namespace    https://www.elethor.com/
  5. // @version      1.0.0
  6. // @author       Xortrox
  7. // @match        https://elethor.com/*
  8. // @match        https://www.elethor.com/*
  9. // @run-at       document-start
  10. // @grant        none
  11. // ==/UserScript==
  12.  
  13. (function(){
  14.     const moduleName = 'Elethor WebSocket Hook';
  15.     console.log(`[${moduleName}] Loaded.`);
  16.  
  17.     Hook();
  18.  
  19.     /** 
  20.      * Replaces the class reference of "WebSocket" with a function that binds any new instance to "window.socket"
  21.      * This has no impact on the WebSocket class itself.
  22.      */
  23.     function Hook() {
  24.         const OldSocket = WebSocket;
  25.  
  26.         window.WebSocket = function () {
  27.             console.log(`[${moduleName}] WebSocket hook successful.`);
  28.             const socket = new OldSocket(...arguments);
  29.             window.socket = socket;
  30.  
  31.             return socket;
  32.         }
  33.     };
  34. })();