概要信息：

/*!
	Copyright (c) 2018 Jed Watson.
	Licensed under the MIT License (MIT), see
	http://jedwatson.github.io/classnames
*/

/**
 * @license React
 * react-is.production.min.js
 *
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */