Ng 1.5 to 2 component standard

gistfile1.txt

# Angular 1.5
class Button {
  constructor( $http ) {
    this.http = $http;
  }
}
angular.module('x').component('xbutton', {
  ...,
  controller: Button
});


# Angular 2
@Component({
  ...,
  selector:'xbutton'
})
class Button {
  constructor( private http:Http ) {}
}