-import { enableProdMode } from '@angular/core';
-import { bootstrap } from '@angular/platform-browser-dynamic';
+import { enableProdMode } from '@angular/core'
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'
-import { AppComponent } from './app/app.component';
+import { AppModule } from './app/app.module'
+import { environment } from './environments/environment'
-if (process.env.ENV === 'production') {
- enableProdMode();
+import { hmrBootstrap } from './hmr'
+
+if (environment.production) {
+ enableProdMode()
}
-bootstrap(AppComponent);
+const bootstrap = () => platformBrowserDynamic()
+ .bootstrapModule(AppModule)
+ .then(bootstrapModule => {
+ // TODO: Uncomment and remove unregistration when https://github.com/angular/angular/issues/21191 is fixed
+ // 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))
+ // }
+
+ if (navigator.serviceWorker && typeof navigator.serviceWorker.getRegistrations === 'function') {
+ navigator.serviceWorker.getRegistrations()
+ .then(registrations => {
+ for (const registration of registrations) {
+ registration.unregister()
+ }
+ })
+ }
+
+ return bootstrapModule
+ })
+ .catch(err => {
+ console.error(err)
+ return null
+ })
+
+if (environment.hmr) {
+ if (module[ 'hot' ]) {
+ hmrBootstrap(module, bootstrap)
+ } else {
+ console.error('HMR is not enabled for webpack-dev-server!')
+ console.log('Are you using the --hmr flag for ng serve?')
+ }
+} else {
+ bootstrap()
+}