Method trigger

src/EventManager.js:22–29

* Notifies observers about given event. * @param {string} name Event name * @param {object} [data] Event data * @return {EventManager} Fluent interface

(name, data = null)

   * @return {EventManager} Fluent interface
   */
  trigger (name, data = null) {
    let index = 0
    while ((index = this._observerNames.indexOf(name, index)) !== -1) {
      this._observerCallbacks[index](name, data)
      index++
    }
    return this
  }

  /**
   * Subscribes to given events.