app.module.ts

import { BrowserModule } from '@angular/platform-browser';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { NgModule } from '@angular/core';

import { MatButtonModule } from '@angular/material/button';
import { MatToolbarModule } from '@angular/material/toolbar';
import { MatListModule } from '@angular/material/list';

import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { HomeComponent } from './home/home.component';
import { ProfileComponent } from './profile/profile.component';

import { HTTP_INTERCEPTORS, HttpClientModule } from '@angular/common/http';
import { IPublicClientApplication, PublicClientApplication, InteractionType, BrowserCacheLocation, LogLevel } from '@azure/msal-browser';
import { MsalGuard, MsalInterceptor, MsalBroadcastService, MsalInterceptorConfiguration, MsalModule, MsalService, MSAL_GUARD_CONFIG, MSAL_INSTANCE, MSAL_INTERCEPTOR_CONFIG, MsalGuardConfiguration, MsalRedirectComponent } from '@azure/msal-angular';

const isIE = window.navigator.userAgent.indexOf("MSIE ") > -1 || window.navigator.userAgent.indexOf("Trident/") > -1;

export function loggerCallback(logLevel: LogLevel, message: string) {
  console.log(message);
}

export function MSALInstanceFactory(): IPublicClientApplication {
  return new PublicClientApplication({
    auth: {
      clientId: 'Enter_the_Application_Id_Here',
      authority: 'Enter_the_Cloud_Instance_Id_HereEnter_the_Tenant_Info_Here',
      redirectUri: 'Enter_the_Redirect_Uri_Here'
    },
    cache: {
      cacheLocation: BrowserCacheLocation.LocalStorage,
      storeAuthStateInCookie: isIE, // set to true for IE 11
    },
    system: {
      loggerOptions: {
        loggerCallback,
        logLevel: LogLevel.Info,
        piiLoggingEnabled: false
      }
    }
  });
}

export function MSALInterceptorConfigFactory(): MsalInterceptorConfiguration {
  const protectedResourceMap = new Map<string, Array<string>>();
  protectedResourceMap.set('Enter_the_Graph_Endpoint_Herev1.0/me', ['user.read']);

  return {
    interactionType: InteractionType.Redirect,
    protectedResourceMap
  };
}

export function MSALGuardConfigFactory(): MsalGuardConfiguration {
  return { 
    interactionType: InteractionType.Redirect,
    authRequest: {
      scopes: ['user.read']
    }
  };
}

@NgModule({
  declarations: [
    AppComponent,
    HomeComponent,
    ProfileComponent
  ],
  imports: [
    BrowserModule,
    BrowserAnimationsModule,
    AppRoutingModule,
    MatButtonModule,
    MatToolbarModule,
    MatListModule,
    HttpClientModule,
    MsalModule
  ],
  providers: [
    {
      provide: HTTP_INTERCEPTORS,
      useClass: MsalInterceptor,
      multi: true
    },
    {
      provide: MSAL_INSTANCE,
      useFactory: MSALInstanceFactory
    },
    {
      provide: MSAL_GUARD_CONFIG,
      useFactory: MSALGuardConfigFactory
    },
    {
      provide: MSAL_INTERCEPTOR_CONFIG,
      useFactory: MSALInterceptorConfigFactory
    },
    MsalService,
    MsalGuard,
    MsalBroadcastService
  ],
  bootstrap: [AppComponent, MsalRedirectComponent]
})
export class AppModule { }