PlaylistController

class PlaylistController {
  todos: Todo[];
  filter: string;
  
	static $inject = ['$mdSidenav'];
 	public $mdSidenav: ng.material.ISidenavObject;
  	toggleLeft = this.buildToggler('left');
	toggleRight = this.buildToggler('right');

  constructor(private $mdSidenav: ng.material.ISidenavService) {
    this.todos = [initialTodo];
    this.filter = SHOW_ALL;
    this.$mdSidenav = $mdSidenav;
  }

  buildToggler(componentId) {
      return function() {
        this.$mdSidenav(componentId).toggle();
      };
    }
}

export const Playlist: angular.IComponentOptions = {
  template: require('./Playlist.html'),
  controller: PlaylistController
};