Function listDir

src/fileSystem/internalFs.js:13–23

* * @param {string} url * @returns {Promise}

(url)

	 * @returns {Promise}
	 */
	listDir(url) {
		return new Promise((resolve, reject) => {
			reject = setMessage(reject);
			window.resolveLocalFileSystemURL(url, success, reject);

			function success(fs) {
				const reader = fs.createReader();
				reader.readEntries(resolve, reject);
			}
		});
	},

	/**
	 *