DeepSeek Native Setter Injector

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

Ajankohdalta 11.5.2025. Katso uusin versio.

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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 0.0.1.20250511171727
// @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;
        const ta = document.getElementById('chat-input');
        if (!ta) return;

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

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