new-flash-message.js

  _newFlashMessage(service, message, type='info', timeout=get(this, 'defaultTimeout')) {
    Ember.assert('Must pass a valid flash service', service);
    Ember.assert('Must pass a valid flash message', message);

    return FlashMessage.create({
      type         : type,
      message      : message,
      timeout      : timeout,
      flashService : service
    });
  }