import './polyfills'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { AppModule } from './app/app.module'; platformBrowserDynamic().bootstrapModule(AppModule).then(ref => { // Ensure Angular destroys itself on hot reloads. if (window['ngRef']) { window['ngRef'].destroy(); } window['ngRef'] = ref; // Otherise, log the boot error }).catch(err => console.error(err));