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ChatGPT Native Injector (No Focus)

Inject postMessage into ChatGPT without stealing focus

当前为 2025-05-12 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         ChatGPT Native Injector (No Focus)
  3. // @description  Inject postMessage into ChatGPT without stealing focus
  4. // @match        https://chatgpt.com/*
  5. // @version 0.0.1.20250512162359
  6. // @namespace https://greasyfork.org/users/1435046
  7. // ==/UserScript==
  8.  
  9. (function() {
  10.   'use strict';
  11.  
  12.   // 1. Cache the native setter for .value
  13.   const valueSetter = Object.getOwnPropertyDescriptor(
  14.     HTMLTextAreaElement.prototype, 'value'
  15.   ).set;
  16.  
  17.   window.addEventListener('message', event => {
  18.     if (typeof event.data !== 'string') return;
  19.     const text = event.data.trim();
  20.     if (!text) return;
  21.  
  22.     // 2. Find ChatGPT’s hidden textarea (it mirrors the ProseMirror editor)
  23.     const ta = document.querySelector('textarea.text-token-text-primary');
  24.     if (!ta) return;
  25.  
  26.     // 3. Update its value without focusing
  27.     valueSetter.call(ta, text);
  28.     ta.dispatchEvent(new InputEvent('input', { bubbles: true }));
  29.  
  30.     // 4. Click Send if available
  31.     const sendBtn = document.getElementById('composer-submit-button');
  32.     if (sendBtn && !sendBtn.disabled) {
  33.       sendBtn.click();
  34.     }
  35.   });
  36. })();