I am encountering an error where authManager is not defined

I am encountering difficulties with authentication through Auth0.

An error message stating "authenticate is undefined on the authManager" keeps appearing.

The authManager is supposed to be injected into the authService, and both are added in the app under "auth0.lock". Additionally, "angular-jwt" has been included in the module as well.

In the App.ts file (run method):

app.run(["$rootScope", "authManager", "AuthService",
    function($rootScope, authManager, authService) {

  // Place the authService on $rootScope so that its methods
  // can be accessed from the navigation bar
  $rootScope.authService = authService;

  // Register the authentication listener set up in auth.service.js
  authService.registerAuthenticationListener();

  // Utilize the authManager from angular-jwt to verify
  // the user's authentication state when the page is
  // refreshed and sustain authentication
  authManager.checkAuthOnRefresh();

  // Monitor for 401 unauthorized requests and redirect
  // the user to the login page
  authManager.redirectWhenUnauthenticated();

}]);

In AuthService.ts:

class AuthService {

public userProfile: any;

constructor(private $rootScope, private lock, private authManager) {
    this.userProfile = JSON.parse(localStorage.getItem("profile")) || {};
}

public login() {
  this.lock.show();
}

// Logging out simply involves deleting the user's
// id_token and profile
public logout() {
  localStorage.removeItem("id_token");
  localStorage.removeItem("profile");
  this.authManager.unauthenticate();
  this.userProfile = {};
}

// Establish the logic for when a user successfully authenticates
// This method gets invoked from app.run.js
public registerAuthenticationListener(authManager) {
  //const self = AuthService._instance;

  this.lock.on("authenticated", function(authResult) {
    localStorage.setItem("id_token", authResult.idToken);
    authManager.authenticate(); // <-- an issue arises at this point

    this.lock.getProfile(authResult.idToken, function(error, profile) {
      if (error) {
        console.log(error);
      }

      localStorage.setItem("profile", JSON.stringify(profile));
      this.$rootScope.$broadcast("userProfileSet", profile);
    });
  });
}
}


AuthService.$inject = ["$rootScope", "lock", "authManager"];
export default AuthService;

I introduced a static factory method in the service, yet the authManager remains unset within the authService constructor despite not being undefined.

Below is the code snippet:

public static Factory($rootScope, lock, authManager) {
AuthService._instance = new AuthService($rootScope, lock, authManager);
console.log("authManager: " + authManager.authenticate);
return AuthService._instance;  

}

Answer №1

Incorporating TypeScript and ES6:

Step 1: Modify app.ts

.service("AuthService", AuthService.Factory)

Step 2: Implementing authService

class AuthService {
  private static _instance: AuthService;
  public userProfile: any;
  private _authManager: any;
  private _lock: any;
  private _$rootScope: any;

  public static Factory($rootScope, lock, authManager) {
     AuthService._instance = new AuthService($rootScope, lock, authManager);
     return AuthService._instance;
  }

  constructor(private $rootScope, private lock, private authManager) {
    this._authManager = authManager;
    this._lock = lock;
    this._$rootScope = $rootScope;
    this.userProfile = JSON.parse(localStorage.getItem("profile")) || {};
  }

  public login() {
    this.lock.show();
  }

  // Logging out involves removing the user's id_token and profile
  public logout() {
    localStorage.removeItem("id_token");
    localStorage.removeItem("profile");
    this.authManager.unauthenticate();
    this.userProfile = {};
  }

  // Setting up authentication listener logic, called from app.run.js
  public registerAuthenticationListener() {
    const self = AuthService._instance;    

    this.lock.on("authenticated", function (authResult) {
      localStorage.setItem("id_token", authResult.idToken);
      self._authManager.authenticate();

      self._lock.getProfile(authResult.idToken, function (error, profile) {
        if (error) {
          console.log(error);
        }

        localStorage.setItem("profile", JSON.stringify(profile));
        self._$rootScope.$broadcast("userProfileSet", profile);
      });
    });
  }
}

AuthService.$inject = ["$rootScope", "lock", "authManager"];
export default AuthService;

Instantiating a new instance in the factory and utilizing it in methods through instance retrieval.

const self = AuthService._instance
.

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