/**
 * Copyright (c) 2013-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @providesModule hyphenate
 * @typechecks
 */

const _uppercasePattern = /([A-Z])/g;

/**
 * Hyphenates a camelcased string, for example:
 *
 *   > hyphenate('backgroundColor')
 *   < "background-color"
 *
 * For CSS style names, use `hyphenateStyleName` instead which works properly
 * with all vendor prefixes, including `ms`.
 *
 * @param {string} string
 * @return {string}
 */
function hyphenate(string) {
  return string.replace(_uppercasePattern, '-$1').toLowerCase();
}

module.exports = hyphenate;