Error: Unexpected value 'undefined' imported by the module

Question

I\'m getting this error after migrating to NgModule, the error doesn\'t help too much, any advice please?

Error: Error: Unexpected value \'undefined\' import         


        

Answer 1

I fix it by delete all index export file, include pipe, service. then all file import path is specific path. eg.

import { AuthService } from './_common/services/auth.service';

replace

import { AuthService } from './_common/services';

besides, don't export default class.