angular-cn/public/docs/_examples/upgrade-phonecat-2-hybrid/ts/app/main-aot.ts

// #docregion
import { platformBrowser } from '@angular/platform-browser';
import { UpgradeModule } from '@angular/upgrade/static';

import { AppModuleNgFactory } from '../aot/app/app.module.ngfactory';

platformBrowser().bootstrapModuleFactory(AppModuleNgFactory).then(platformRef => {
  const upgrade = platformRef.injector.get(UpgradeModule) as UpgradeModule;
  upgrade.bootstrap(document.documentElement, ['phonecatApp']);
});