Angular module with configuration

content.module.ts

import { NgModule, Injectable, ModuleWithProviders,
    OpaqueToken, Inject } from '@angular/core';

import { Store } from '@ngrx/store';

import { WindowRef } from '../browser';

const GJS_CLIENT = 'https://apis.google.com/js/client.js';
const SCOPES = ['https://www.googleapis.com/auth/spreadsheets.readonly'];

export let CLIENT_ID = new OpaqueToken('sheets.config');


@Injectable()
export class GoogleSheet {

  constructor(
    @Inject(CLIENT_ID) private cid: string,
    private win: WindowRef) {
    console.log('Module instantiated with: ', cid);
  }


}



@NgModule({})
export class DriveModule {
  static forRoot(clientId): ModuleWithProviders {
    return {
      ngModule: DriveModule,
      providers: [
        GoogleSheet,
        {provide: CLIENT_ID, useValue: clientId }
        ],
    };
  }
}