Auth Service #angularjs #medium #article-hierarchical-di-ng

article-hierarchical-di-ng-auth-service.ts

class AuthService {
  static $inject = ['$http'];
  
  private token: string;
  
  constructor($http: IHttpService) {}
  
  getToken() {
    if (_.isNil(this.token)) {
      this.token = $http.get('my-site.example.com/auth');
    }
    
    return this.token;
  }
}

moviesApp.service('auth', AuthService);