<% if(!!viewEncapsulation) { %>import { ViewEncapsulation } from '@angular/core'; <% }%>import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { AppModule } from './app/app.module'; platformBrowserDynamic().bootstrapModule(AppModule, { ngZoneEventCoalescing: true<% if(!!viewEncapsulation) { %>, defaultEncapsulation: ViewEncapsulation.<%= viewEncapsulation %><% } %> }) .catch(err => console.error(err));