barba js проблемы с View

var Homepage = Barba.BaseView.extend({ 
  namespace: 'homepage', 
  onEnter: function() { 
      // The new Container is ready and attached to the DOM. 
  }, 
  onEnterCompleted: function() { 
      // The Transition has just finished. 
  }, 
  onLeave: function() { 
      // A new Transition toward a new page has just started. 
  }, 
  onLeaveCompleted: function() { 
      // The Container has just been removed from the DOM. 
  } 
}); 
 
// Don't forget to init the view! 
Homepage.init();