Function getProtocol

src/utils/Url.js:262–264

* Returns protocol of a url e.g. 'ftp:' from 'ftp://localhost/foo/bar' * @param {string} url * @returns {"ftp:"|"sftp:"|"http:"|"https:"}

(url)

	 * @returns {"ftp:"|"sftp:"|"http:"|"https:"}
	 */
	getProtocol(url) {
		return (/^([a-z]+:)\/\/\/?/i.exec(url) || [])[1] || "";
	},
	/**
	 *
	 * @param {string} url