DeepSeek No Auto-Scroll

Block auto-scroll in DeepSeek while keeping manual scroll control

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         DeepSeek No Auto-Scroll
// @description  Block auto-scroll in DeepSeek while keeping manual scroll control
// @match        *://*.deepseek.com/*
// @version 0.0.1.20250514122428
// @namespace https://greasyfork.org/users/1435046
// ==/UserScript==

(function() {
    'use strict';

    function applyNoAutoScroll(scrollContainer) {
        Object.defineProperty(scrollContainer, 'scrollTop', {
            set: function() {}, 
            get: () => scrollContainer._realScrollTop || 0,
            configurable: true
        });
        scrollContainer.addEventListener('scroll', () => {
            scrollContainer._realScrollTop = scrollContainer.scrollTop;
        });
    }

    // Create and start one observer
    const observer = new MutationObserver(() => {
        const scrollContainers = document.querySelectorAll('div.scrollable');
        scrollContainers.forEach(container => {
            if (!container._noAutoScrollApplied) {
                container._noAutoScrollApplied = true;
                applyNoAutoScroll(container);
            }
        });
    });
    observer.observe(document.body, { childList: true, subtree: true });

    // Also run once immediately in case containers already exist
    document.querySelectorAll('div.scrollable').forEach(container => {
        if (!container._noAutoScrollApplied) {
            container._noAutoScrollApplied = true;
            applyNoAutoScroll(container);
        }
    });
})();