youtube_playlist_links_extractor.js

// ==UserScript==
// @name         YouTube Playlist Links Extractor
// @namespace    https://twitter.com/takemioIO
// @version      0.0.1
// @description  Extract all video links from the current YouTube playlist after page load and format them.This is a plugin that outputs the command to change the youtube playlist to Jockie music playlist format to the console.
// @author       takemioIO
// @match        *://www.youtube.com/playlist?list=*
// ==/UserScript==

(function() {
    'use strict';

    function formatChannelName(name) {
        return name.toLowerCase().split(' ').join('_');
    }

    // Extract video links from the page's HTML
    function extractVideoLinks() {
        const videoIdRegex = /watch\?v=([a-zA-Z0-9_-]+)(?:&[a-zA-Z0-9_=]*)?/g;
        let match;
        let extractedLinks = new Set();

        while ((match = videoIdRegex.exec(document.body.innerHTML)) !== null) {
            const videoUrl = `https://www.youtube.com/watch?v=${match[1]}`;
            extractedLinks.add(videoUrl);
        }
        const channelAnchor = document.querySelector('a[href^="/channel"]');
        const channelName = formatChannelName(channelAnchor ? channelAnchor.textContent.trim() : 'playlist');

        console.log(`m!playlist create ${channelName}`);

        // Format the links with the required prefix
        const formattedOutput = `m!playlist add ${channelName} ` + Array.from(extractedLinks).join(" ");
        console.log(formattedOutput);
    }

    // Wait for the window to load before extracting links
    window.onload = function() {
        extractVideoLinks();
    };
})();

Use it like this