text: /**
   * Copyright (c) 2015-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 VibrationIOS
   * @flow
   */
  'use strict';
  
  var RCTVibration = require('NativeModules').Vibration;
  
  var invariant = require('invariant');
  
  /**
   * The Vibration API is exposed at `VibrationIOS.vibrate()`. On iOS, calling this
   * function will trigger a one second vibration. The vibration is asynchronous
   * so this method will return immediately.
   *
   * There will be no effect on devices that do not support Vibration, eg. the iOS
   * simulator.
   *
   * Vibration patterns are currently unsupported.
   */
  
  var VibrationIOS = {
    vibrate: function() {
      invariant(
        arguments[0] === undefined,
        'Vibration patterns not supported.'
      );
      RCTVibration.vibrate();
    }
  };
  
  module.exports = VibrationIOS;
  