main.ts

import { enableProdMode } from '@angular/core';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';

import * as AuthenticationContext from 'adal-angular';
import { AppModule } from './app/app.module';
import { environment } from './environments/environment';

if (environment.production) {
    enableProdMode();
}

// this code will prevent from bootstrapping any module in Adal's Iframe
if (window === window.parent) {
    platformBrowserDynamic()
        .bootstrapModule(AppModule)
        .catch(err => console.log(err));
} else {
    const context = new AuthenticationContext(environment.adalConfig as any);
    context.handleWindowCallback();
}