loadUserEffect.ts

@Effect()
loadUser$: Observable<Action> = this.actions$.pipe(
  ofType(UserActionTypes.USER_GET_ME, OidcActions.OidcActionTypes.UserFound),
  switchMap(() =>
    this.userService.getMe().pipe(
      first(),
      map((user: User) => {
        return new GetUserMeSuccess(user);
      }),
      catchError(error => {
        console.error(error);
        return of(new GetUserMeError(error));
      })
    )
  )
);