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Prevent Autofocus on AllenAI, Mistral

Blocks programmatic focus on <textarea> and contenteditable elements

  1. // ==UserScript==
  2. // @name         Prevent Autofocus on AllenAI, Mistral
  3. // @description  Blocks programmatic focus on <textarea> and contenteditable elements
  4. // @match        https://playground.allenai.org/*
  5. // @match        https://chat.mistral.ai/*
  6. // @run-at       document-start
  7. // @version 0.0.1.20250530182612
  8. // @namespace https://greasyfork.org/users/1435046
  9. // ==/UserScript==
  10.  
  11. (function() {
  12.     'use strict';
  13.  
  14.     // Save original focus
  15.     const originalFocus = HTMLElement.prototype.focus;
  16.  
  17.     // Override focus globally
  18.     Object.defineProperty(HTMLElement.prototype, 'focus', {
  19.         configurable: true,
  20.         enumerable:   true,
  21.         writable:     true,
  22.         value: function(...args) {
  23.             // If it's a <textarea> or a contenteditable element, do nothing
  24.             if (this.tagName === 'TEXTAREA' || this.isContentEditable) {
  25.                 return;
  26.             }
  27.             // Otherwise proceed as normal
  28.             return originalFocus.apply(this, args);
  29.         }
  30.     });
  31. })();