DeepSeek Native Setter Injector

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DeepSeek Native Setter Injector

Listens for postMessage events on chat.deepseek.com and logs them

Version vom 15.05.2025. Aktuellste Version

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// ==UserScript==
// @name        DeepSeek Native Setter Injector
// @description  Listens for postMessage events on chat.deepseek.com and logs them
// @match       https://chat.deepseek.com/*
// @version 0.0.1.20250515142644
// @namespace https://greasyfork.org/users/1435046
// ==/UserScript==

(function () {
  'use strict';

  // Cache the native setter for HTMLTextAreaElement.value
  const valueSetter = Object.getOwnPropertyDescriptor(
    HTMLTextAreaElement.prototype, 'value'
  ).set;

  window.addEventListener('message', event => {
    const message = event.data;

    if (message && message.type === 'searchButtonClicked') {
      // find all primary filled buttons
      const buttons = document.querySelectorAll(
        'div[role="button"].ds-button--primary.ds-button--filled'
      );
      // click the one whose visible label is “Search”
      for (const btn of buttons) {
        if (btn.textContent.trim() === 'Search') {
          btn.click();
          break;
        }
      }
      return;
    }

    if (message && message.type === 'reasonButtonClicked') {
      // find all primary filled buttons
      const buttons = document.querySelectorAll(
        'div[role="button"].ds-button--primary.ds-button--filled'
      );
      // click the one whose visible label is “DeepThink (R1)”
      for (const btn of buttons) {
        if (btn.textContent.trim() === 'DeepThink (R1)') {
          btn.click();
          break;
        }
      }
      return;
    }

    // Only respond to string messages
    if (typeof event.data !== 'string') return;

    const textarea = document.getElementById('chat-input');
    if (!textarea) return;

    // 1. Update both DOM and React state without shifting focus
    valueSetter.call(textarea, message);

    // 2. Notify React/Vue/etc. of the change
    textarea.dispatchEvent(new InputEvent('input', { bubbles: true }));

    // 3. Click the send button if enabled
    const sendBtn = document.querySelector('div[role="button"][aria-disabled="false"]');
    if (sendBtn) sendBtn.click();
  });
})();