const bootstrap = () => platformBrowserDynamic()
.bootstrapModule(AppModule)
+ .then(bootstrapModule => {
+ // TODO: Remove when https://github.com/angular/angular-cli/issues/8779 is fixed?
+ if ('serviceWorker' in navigator && environment.production) {
+ navigator.serviceWorker.register('/ngsw-worker.js')
+ .catch(err => console.error('Cannot register service worker.', err))
+ }
+
+ return bootstrapModule
+ })
+ .catch(err => {
+ console.error(err)
+ return null
+ })
if (environment.hmr) {
if (module[ 'hot' ]) {