Method getSharedInstance

src/EventManager.js:66–71

* Returns shared event manager instance. * @return {EventManager}

()

   * @return {EventManager}
   */
  static getSharedInstance () {
    if (sharedInstance === null) {
      sharedInstance = new EventManager()
    }
    return sharedInstance
  }

  /**
   * Notifies observers of the shared instance about given event.