How to use the download.jqueryui.com/lib/jquery-ui function in download

function buildCDNPackage( callback ) {
	console.log( "Building CDN package" );
	var JqueryUi = require( "download.jqueryui.com/lib/jquery-ui" );
	var Package = require( "download.jqueryui.com/lib/package-1-12-themes" );
	var Packager = require( "node-packager" );
	var jqueryUi = new JqueryUi( path.resolve( "." ) );
	var target = fs.createWriteStream( "../" + jqueryUi.pkg.name + "-" + jqueryUi.pkg.version + "-cdn.zip" );
	var packager = new Packager( jqueryUi.files().cache, Package, {
		components: jqueryUi.components().map( function( component ) {
			return component.name;
		} ),
		jqueryUi: jqueryUi,
		themeVars: null
	} );
	packager.ready.then( function() {
		addManifest( packager );
		packager.toZip( target, {
			basedir: ""
		}, function( error ) {
			if ( error ) {
				Release.abort( "Failed to zip CDN package", error );
			}