text: /**
   * @author       Richard Davey <rich@photonstorm.com>
   * @copyright    2019 Photon Storm Ltd.
   * @license      {@link https://opensource.org/licenses/MIT|MIT License}
   */
  
  var Browser = require('./Browser');
  
  /**
   * Determines the input support of the browser running this Phaser Game instance.
   * These values are read-only and populated during the boot sequence of the game.
   * They are then referenced by internal game systems and are available for you to access
   * via `this.sys.game.device.input` from within any Scene.
   * 
   * @typedef {object} Phaser.Device.Input
   * @since 3.0.0
   * 
   * @property {?string} wheelType - The newest type of Wheel/Scroll event supported: 'wheel', 'mousewheel', 'DOMMouseScroll'
   * @property {boolean} gamepads - Is navigator.getGamepads available?
   * @property {boolean} mspointer - Is mspointer available?
   * @property {boolean} touch - Is touch available?
   */
  var Input = {
  
      gamepads: false,
      mspointer: false,
      touch: false,
      wheelEvent: null
      
  };
  
  function init ()
  {
      if ('ontouchstart' in document.documentElement || (navigator.maxTouchPoints && navigator.maxTouchPoints >= 1))
      {
          Input.touch = true;
      }
  
      if (navigator.msPointerEnabled || navigator.pointerEnabled)
      {
          Input.mspointer = true;
      }
  
      if (navigator.getGamepads)
      {
          Input.gamepads = true;
      }
  
      // See https://developer.mozilla.org/en-US/docs/Web/Events/wheel
      if ('onwheel' in window || (Browser.ie && 'WheelEvent' in window))
      {
          // DOM3 Wheel Event: FF 17+, IE 9+, Chrome 31+, Safari 7+
          Input.wheelEvent = 'wheel';
      }
      else if ('onmousewheel' in window)
      {
          // Non-FF legacy: IE 6-9, Chrome 1-31, Safari 5-7.
          Input.wheelEvent = 'mousewheel';
      }
      else if (Browser.firefox && 'MouseScrollEvent' in window)
      {
          // FF prior to 17. This should probably be scrubbed.
          Input.wheelEvent = 'DOMMouseScroll';
      }
  
      return Input;
  }
  
  module.exports = init();
  