Verifying route preconditions prior to loading controller

Question

I\'m writing a single page application in Angular, specifically angular.dart, but I\'m assuming this question still applies to AngularJS.

Take for example the followin

Answer 1

Well, I made a thing in Dart which is close to one of the previous solutions which don't really work. The main point is that in the RouteEventHandler, you need to call the RouteEventHandler of the view.

      ..addRoute(
          name: 'userAdd',
          path: '/userAdd',
          enter: checkAuthentication(router,view,'view/addUser.html'))
      ..addRoute(
        name: 'login',
        path: '/login',
        enter: view('view/login.html'));
  }

  RouteEventHandler checkAuthentication(Router router,ViewFactory view, String location){
     return (RouteEvent e) {
      if(_authenticationService.isAuthenticated()){
        view(location)(e);
      }else{
        router.go("login",{});
      }
    };
  }