YouTube /embed/ forwarder

Forwards YouTube links to the youtube.com/embed/* page, so there's just the video in your window and nothing else.
Fra og med 21.08.2025. Se den nyeste version.
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// ==UserScript==
// @name        YouTube /embed/ forwarder
// @description Forwards YouTube links to the youtube.com/embed/* page, so there's just the video in your window and nothing else.
// @namespace   https://greasyfork.org/en/users/1148791-vuccala
// @author      Vuccala
// @icon        https://archive.org/download/yt_icon/yt.png
// @match       *://*.youtube.com/*
// @match       *://*.youtu.be/*
// @run-at      document-start
// @version     0.6
// @grant       none
// @license     MIT
// ==/UserScript==
(function () {
    const embedBaseUrl = 'https://www.youtube.com/embed/';

    function getVideoAndPlaylist(url) {
        const videoMatch = /(?:[?&]v=|\/(?:embed\/|v\/|shorts\/))([^&?/]+)/.exec(url);
        const listMatch = /[?&]list=([^&]+)/.exec(url);
        return {
            videoId: videoMatch ? videoMatch[1] : '',
            listId: listMatch ? listMatch[1] : ''
        };
    }

    function ensureReferrerMeta() {
        const head = document.head || document.documentElement;
        if (!head.querySelector('meta[name="referrer"]')) {
            const meta = document.createElement('meta');
            meta.name = 'referrer';
            meta.content = 'origin';
            head.prepend(meta);
        }
    }

    function updateLinks(links) {
        links.forEach(link => {
            const { videoId, listId } = getVideoAndPlaylist(link.href);
            if (videoId) {
                let embedUrl = embedBaseUrl + videoId;
                if (listId) embedUrl += '?list=' + listId;
                link.href = embedUrl;
            }
        });
    }

    function observeDOM() {
        const targetNode = document.body;
        const observer = new MutationObserver(mutationsList => {
            for (const mutation of mutationsList) {
                if (mutation.type === 'childList' && mutation.addedNodes[0]) {
                    const newLinks = mutation.addedNodes[0].querySelectorAll?.(
                        'a[href*="/watch?v="], a[href*="/shorts/"], a[href*="/watch?app=desktop&v="]'
                    );
                    if (newLinks?.length) updateLinks(newLinks);
                }
            }
        });
        observer.observe(targetNode, { childList: true, subtree: true });
    }

    const url = window.location.href;
    const { videoId, listId } = getVideoAndPlaylist(url);

    if (videoId) {
        let embedUrl = embedBaseUrl + videoId;
        if (listId) embedUrl += '?list=' + listId;

        if (embedUrl !== url) {
            ensureReferrerMeta();
            window.location.replace(embedUrl);
        }
    } else {
        observeDOM();
    }
})();