DeepSeek Quick Navigation Tool

Add scroll-to-conversation buttons for DeepSeek chat interface

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         DeepSeek Quick Navigation Tool
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Add scroll-to-conversation buttons for DeepSeek chat interface
// @author       Emailtoxjk
// @match        https://chat.deepseek.com/*
// @icon         https://cdn.deepseek.com/chat/icon.png
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    const buttonMap = new Map();
    let updateTimeout = null;

    function initObserver() {
        const observer = new MutationObserver(function(mutations) {
            let hasChanges = false;
            for (const mutation of mutations) {
                if (mutation.addedNodes.length > 0 || mutation.removedNodes.length > 0) {
                    hasChanges = true;
                    break;
                }
                if (mutation.type === 'attributes' && mutation.attributeName === 'class') {
                    hasChanges = true;
                    break;
                }
            }
            if (hasChanges) scheduleUpdate();
        });

        observer.observe(document.body, {
            childList: true,
            subtree: true,
            attributes: true,
            attributeFilter: ['class']
        });
        return observer;
    }

    function scheduleUpdate() {
        clearTimeout(updateTimeout);
        updateTimeout = setTimeout(updateAllButtons, 500);
    }

    function updateAllButtons() {
        const allMessageDivs = document.querySelectorAll('div[class*="ds-message"]');
        const containerDivs = [];
        const messageDivs = [];

        allMessageDivs.forEach(div => {
            const className = div.className || '';
            if (!className.includes('ds-message')) return;

            const spaceCount = (className.match(/ /g) || []).length;
            if (spaceCount === 2) containerDivs.push(div);
            else if (spaceCount === 1) messageDivs.push(div);
        });

        const minLength = Math.min(containerDivs.length, messageDivs.length);

        containerDivs.forEach((container, containerIndex) => {
            if (containerIndex < minLength) {
                addOrUpdateButton(container, messageDivs[containerIndex], containerIndex, containerIndex);
            } else {
                removeButton(container);
            }
        });

        for (const [container] of buttonMap.entries()) {
            if (!document.body.contains(container)) buttonMap.delete(container);
        }
    }

    function addOrUpdateButton(container, targetMessage, containerIndex, messageIndex) {
        let buttonContainer = buttonMap.get(container);

        if (!buttonContainer) {
            buttonContainer = document.createElement('div');
            buttonContainer.className = 'ds-scroll-btn-container';
            buttonContainer.style.cssText = 'position: absolute; top: -35px; left: 50%; transform: translateX(-50%); z-index: 1000; opacity: 0.9; transition: opacity 0.2s;';

            const button = document.createElement('button');
            button.textContent = `Chat ${messageIndex + 1}`;
            button.style.cssText = 'padding: 4px 12px; background: linear-gradient(135deg, #10a37f, #0d8c6d); color: white; border: none; border-radius: 16px; cursor: pointer; font-size: 12px; font-weight: 500; transition: all 0.2s ease; box-shadow: 0 2px 8px rgba(16, 163, 127, 0.3); white-space: nowrap; backdrop-filter: blur(4px); min-width: 60px;';

            button.addEventListener('mouseenter', function() {
                this.style.background = 'linear-gradient(135deg, #0d8c6d, #0b755a)';
                this.style.transform = 'translateY(-2px)';
                this.style.boxShadow = '0 4px 12px rgba(16, 163, 127, 0.4)';
                this.style.opacity = '1';
            });

            button.addEventListener('mouseleave', function() {
                this.style.background = 'linear-gradient(135deg, #10a37f, #0d8c6d)';
                this.style.transform = 'translateY(0)';
                this.style.boxShadow = '0 2px 8px rgba(16, 163, 127, 0.3)';
            });

            button.addEventListener('click', function(e) {
                e.stopPropagation();
                if (targetMessage) {
                    const messageRect = targetMessage.getBoundingClientRect();
                    const isInViewport = messageRect.top >= 0 && messageRect.bottom <= (window.innerHeight || document.documentElement.clientHeight);

                    if (!isInViewport) {
                        targetMessage.scrollIntoView({ behavior: 'smooth', block: 'start' });
                    }

                    highlightMessage(targetMessage);
                }
            });

            buttonContainer.appendChild(button);
            if (getComputedStyle(container).position === 'static') container.style.position = 'relative';
            container.prepend(buttonContainer);
            buttonMap.set(container, buttonContainer);
        } else {
            const button = buttonContainer.querySelector('button');
            if (button) button.textContent = `Chat ${messageIndex + 1}`;
        }
    }

    function removeButton(container) {
        const buttonContainer = buttonMap.get(container);
        if (buttonContainer && buttonContainer.parentNode) {
            buttonContainer.parentNode.removeChild(buttonContainer);
            buttonMap.delete(container);
        }
    }

    function highlightMessage(messageDiv) {
        const originalBoxShadow = messageDiv.style.boxShadow;
        const originalBorderRadius = messageDiv.style.borderRadius;
        const originalTransition = messageDiv.style.transition;

        messageDiv.style.transition = 'all 0.3s ease';
        messageDiv.style.boxShadow = '0 0 0 3px rgba(16, 163, 127, 0.4)';
        messageDiv.style.borderRadius = '8px';

        setTimeout(() => {
            messageDiv.style.boxShadow = originalBoxShadow;
            messageDiv.style.borderRadius = originalBorderRadius;
            messageDiv.style.transition = originalTransition;
        }, 1500);
    }

    function init() {
        const style = document.createElement('style');
        style.textContent = `
            .ds-scroll-btn:active { transform: scale(0.95) !important; }
            @keyframes dsButtonAppear { from { opacity: 0; transform: translateX(-50%) translateY(-10px); } to { opacity: 0.9; transform: translateX(-50%) translateY(0); } }
            .ds-scroll-btn-container { animation: dsButtonAppear 0.3s ease-out; }
            @keyframes dsButtonPulse { 0% { box-shadow: 0 2px 8px rgba(16, 163, 127, 0.3); } 50% { box-shadow: 0 2px 16px rgba(16, 163, 127, 0.5); } 100% { box-shadow: 0 2px 8px rgba(16, 163, 127, 0.3); } }
            .ds-scroll-btn:hover { animation: dsButtonPulse 1.5s infinite; }
        `;
        document.head.appendChild(style);

        initObserver();
        setTimeout(updateAllButtons, 1000);
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        setTimeout(init, 1000);
    }
})();