Convert npm, github and wordpress-svn repositories into JsDelivr CDN with this bookmarklet

to_JsDelivr_CDN.js

javascript:(function(){
    const host = window.location.hostname;
    const path = window.location.pathname;
    let destination_path = "";

    switch(host) {
        case 'themes.svn.wordpress.org':
            destination_path = '/themes';
        case 'plugins.svn.wordpress.org':
            destination_path = `/wp${destination_path}${path}`;
            break;
        
        case 'github.com':
        case 'raw.github.com':
        case 'raw.githubusercontent.com':
            const path_segments = path.split('/');
            if(path_segments.length < 3) {
                alert(`JsDelivr CDN doesn't work on this GitHub URL: ${host}${path}`);
                return;
            }
            const index = host.startsWith('raw.') ? 3 : 4;
            destination_path = `/gh${path_segments.slice(0, 3).join('/')}`;
            destination_path += path_segments.length > 3 ? `@${path_segments.slice(index).join('/')}` : "/";
            if(!host.startsWith('raw.github') && path_segments[3] === 'tree') destination_path += '/';
            break;

        case 'www.npmjs.com':
        case 'npmjs.com':
            const file_path = new URLSearchParams(window.location.search).get('activeTab')?.toLowerCase() === 'code' ? document.getElementById('tabpanel-explore').getElementsByTagName('h2')[0].textContent.slice(window.__context__.context.packageVersion.name.length + 1) : "/";
            const subpath = `/package/${window.__context__.context.packageVersion.name}/v/`;
            const version = window.location.pathname.startsWith(`${subpath}${window.__context__.context.packageVersion.version}`) ? `@${window.__context__.context.packageVersion.version}` : window.location.pathname.startsWith(subpath) ? `@${window.location.pathname.match(new RegExp(`${subpath}([\\d\\.]+)$`))[1]}` : "";
            destination_path = `/npm/${window.__context__.context.packageVersion.name}${version}${file_path}`;
            break;
        default:
            alert(`JsDelivr CDN doesn't work on this host: ${host}`);
            return;
    }
    window.location = `https://cdn.jsdelivr.net${destination_path}`;
})();