LibreChat Shortcuts

Press Alt+S to click toggle-left-nav button on localhost:3080
当前为 2025-03-28 提交的版本，查看最新版本。
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// ==UserScript==
// @name         LibreChat Shortcuts
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Press Alt+S to click toggle-left-nav button on localhost:3080
// @author       bwhurd
// @match        http://localhost:3080/*
// @grant        none
// @run-at       document-end
// ==/UserScript==

// === Shortcut Keybindings ===
// Alt+S → Toggle sidebar (clicks #toggle-left-nav)
// Alt+N → New chat (clicks button[aria-label="New chat"])
// Alt+T → Scroll to top of message container
// Alt+Z → Scroll to bottom of message container
// Alt+A → Scroll up one message (.message-render)
// Alt+F → Scroll down one message (.message-render)


(function () {
    'use strict';

    // Shared scroll state object
    const ScrollState = {
        scrollContainer: null,
        isAnimating: false,
        finalScrollPosition: 0,
        userInterrupted: false,
    };

    function resetScrollState() {
        if (ScrollState.isAnimating) {
            ScrollState.isAnimating = false;
            ScrollState.userInterrupted = true;
        }
        ScrollState.scrollContainer = getScrollableContainer();
        if (ScrollState.scrollContainer) {
            ScrollState.finalScrollPosition = ScrollState.scrollContainer.scrollTop;
        }
    }

    // Find the first `.message-render`, then climb up until we detect a scrollable ancestor
    function getScrollableContainer() {
        const firstMessage = document.querySelector('.message-render');
        if (!firstMessage) return null;

        let container = firstMessage.parentElement;
        while (container && container !== document.body) {
            const style = getComputedStyle(container);
            if (
                container.scrollHeight > container.clientHeight &&
                style.overflowY !== 'visible' &&
                style.overflowY !== 'hidden'
            ) {
                return container;
            }
            container = container.parentElement;
        }

        // If none found, just use the main document scroller
        return document.scrollingElement || document.documentElement;
    }

    function checkGSAP() {
        if (
            typeof window.gsap !== "undefined" &&
            typeof window.ScrollToPlugin !== "undefined" &&
            typeof window.Observer !== "undefined" &&
            typeof window.Flip !== "undefined"
        ) {
            window.gsap = gsap;
            window.ScrollToPlugin = ScrollToPlugin;
            window.Observer = Observer;
            window.Flip = Flip;

            gsap.registerPlugin(ScrollToPlugin, Observer, Flip);
            console.log("✅ GSAP and plugins registered");
            initShortcuts();
        } else {
            console.warn("⏳ GSAP not ready. Retrying...");
            setTimeout(checkGSAP, 100);
        }
    }

    function loadGSAPLibraries() {
        const libs = [
            'https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.7/gsap.min.js',
            'https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.7/ScrollToPlugin.min.js',
            'https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.7/Observer.min.js',
            'https://cdnjs.cloudflare.com/ajax/libs/gsap/3.12.7/Flip.min.js',
        ];

        libs.forEach(src => {
            const script = document.createElement('script');
            script.src = src;
            script.async = false;
            document.head.appendChild(script);
        });

        checkGSAP();
    }

    function scrollToTop() {
        const container = getScrollableContainer();
        if (!container) return;
        gsap.to(container, {
            duration: 1.8,
            scrollTo: { y: 0 },
            ease: "power4.out"
        });
    }

    function scrollToBottom() {
        const container = getScrollableContainer();
        if (!container) return;
        gsap.to(container, {
            duration: 1.8,
            scrollTo: { y: "max" },
            ease: "power4.out"
        });
    }

    function scrollUpOneMessage() {
        const container = getScrollableContainer();
        if (!container) return;

        // Gather messages by .message-render
        const messages = [...document.querySelectorAll('.message-render')];
        const currentScrollTop = container.scrollTop;

        let target = null;
        for (let i = messages.length - 1; i >= 0; i--) {
            if (messages[i].offsetTop < currentScrollTop - 25) {
                target = messages[i];
                break;
            }
        }

        gsap.to(container, {
            duration: 0.8,
            scrollTo: { y: target?.offsetTop || 0 },
            ease: "power4.out"
        });
    }

    function scrollDownOneMessage() {
        const container = getScrollableContainer();
        if (!container) return;

        // Gather messages by .message-render
        const messages = [...document.querySelectorAll('.message-render')];
        const currentScrollTop = container.scrollTop;

        let target = null;
        for (let i = 0; i < messages.length; i++) {
            if (messages[i].offsetTop > currentScrollTop + 25) {
                target = messages[i];
                break;
            }
        }

        gsap.to(container, {
            duration: 0.8,
            scrollTo: { y: target?.offsetTop || container.scrollHeight },
            ease: "power4.out"
        });
    }

    function initShortcuts() {
        document.addEventListener('keydown', function (e) {
            if (!e.altKey || e.repeat) return;
            const key = e.key.toLowerCase();

            switch (key) {
                case 's': {
                    const toggleButton = document.getElementById('toggle-left-nav');
                    if (toggleButton) {
                        toggleButton.click();
                        console.log('🧭 Sidebar toggled');
                    }
                    break;
                }
                case 'n': {
                    const newChatButton = document.querySelector('button[aria-label="New chat"]');
                    if (newChatButton) {
                        newChatButton.click();
                        console.log('🆕 New chat opened');
                    }
                    break;
                }
                case 't':
                    scrollToTop();
                    break;
                case 'z':
                    scrollToBottom();
                    break;
                case 'a':
                    scrollUpOneMessage();
                    break;
                case 'f':
                    scrollDownOneMessage();
                    break;
            }
        });

        console.log("✅ LibreChat shortcuts active");
    }

    // Start loading GSAP plugins and wait for them
    loadGSAPLibraries();
})();
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