YouTube → SkipCut Link Rewriter

Rewrite YouTube links to SkipCut links before they are opened
目前為 2025-08-23 提交的版本，檢視最新版本。
安裝腳本 ?
換行
// ==UserScript==
// @name         YouTube → SkipCut Link Rewriter
// @namespace    https://gf.qytechs.cn/nl/users/1197317-opus-x
// @version      1.01
// @description  Rewrite YouTube links to SkipCut links before they are opened
// @author       Opus-X
// @license      MIT
// @icon         https://www.skipcut.com/favicon.ico
// @match        *://*/*
// @run-at       document-start
// ==/UserScript==

(function () {
    'use strict';

    // Convert a YouTube URL to the corresponding SkipCut URL
    function convertYouTubeToSkipCut(url) {
        // Quick check to avoid parsing non-YouTube links
        if (!url.includes('youtube.com') && !url.includes('youtu.be')) return null;

        try {
            const u = new URL(url);
            const { hostname, pathname, searchParams } = u;

            // Handle normal YouTube domain
            if (hostname.match(/(^|\.)youtube\.com$/)) {
                // Regular video links: /watch?v=...
                if (pathname === '/watch' && searchParams.has('v')) {
                    return `https://www.skipcut.com/watch?v=${searchParams.get('v')}`;
                }

                // Live streams: /live/<id>
                if (pathname.startsWith('/live/')) {
                    const liveId = pathname.split('/')[2];
                    if (liveId) return `https://www.skipcut.com/live/${liveId}`;
                }

                // Playlists: /playlist?list=...
                if (pathname === '/playlist' && searchParams.has('list')) {
                    return `https://www.skipcut.com/playlist?list=${searchParams.get('list')}`;
                }
            }

            // Handle youtu.be short links: https://youtu.be/<id>
            if (hostname === 'youtu.be') {
                const videoId = pathname.slice(1); // remove leading "/"
                if (videoId) return `https://www.skipcut.com/watch?v=${videoId}`;
            }

        } catch (e) {
            // Ignore invalid URLs
        }

        return null; // Not a YouTube link we can convert
    }

    // Intercept clicks on the page
    document.addEventListener('click', e => {
        // Only handle left-clicks without modifier keys
        if (e.button !== 0 || e.ctrlKey || e.shiftKey || e.metaKey) return;

        const a = e.target.closest('a[href]'); // Find closest link
        if (!a) return;

        const newUrl = convertYouTubeToSkipCut(a.href);
        if (!newUrl) return;

        // Prevent normal navigation
        e.preventDefault();
        e.stopImmediatePropagation(); // Stop site scripts like YouTube router

        // Open the SkipCut version in a new tab
        window.open(newUrl, '_blank', 'noopener');
    }, true); // Capture phase to run before site handlers
})();
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