How can I get the error from nestjs to angular with pipe()?

Question

Show code

 this.authService
  .login(payload)
  .pipe(
    map((e: any) => e.token),
    tap(e => dispatch(new AuthLoginSuccess(e)))
  )
  .subscribe();

i am trying to show the error returning from nestjs backend to my angular frontend. The above function returns the token if the correct credentials are posted. I am not able to obtain the errors

Answer 1

  .login(payload)
  .pipe(
    map((e: any) => e.token),
    tap(e => dispatch(new AuthLoginSuccess(e))),
    catchError(error => { .... do stuff .... } )
  )
  .subscribe();

This should allow you to grab any errors from your service.