source: frontend/node_modules/webpack/lib/util/extractUrlAndGlobal.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Sam Chen @chenxsan
*/

"use strict";

/**
 * Returns script url and its global variable.
 * @param {string} urlAndGlobal the script request
 * @returns {string[]} script url and its global variable
 */
module.exports = function extractUrlAndGlobal(urlAndGlobal) {
        const index = urlAndGlobal.indexOf("@");
        if (index <= 0 || index === urlAndGlobal.length - 1) {
                throw new Error(`Invalid request "${urlAndGlobal}"`);
        }
        return [urlAndGlobal.slice(index + 1), urlAndGlobal.slice(0, index)];
};