NativeScript for Angular (No UI) module to handle only background services

NativeScript background service bootstrap

@NgModule({
 imports: [NativeScriptModule],
})
export class BackgroundModule {
 ngDoBootstrap() {
   // do nothing, this is not an UI module
 }
}
 
const moduleRefPromise = platformNativeScript().bootstrapModule(AppModule);
 
@JavaProxy("com.example.SomeEventReceiver")
@NativeClass()
class SomeEventReceiver extends android.content.BroadcastReceiver {
 onReceive(
   context: android.content.Context,
   intent: android.content.Intent
 ): void {
   console.log("INTENT RECEIVED");
   this.doBackgroundFetch();
 }
 
 async doBackgroundFetch() {
   const moduleRef = await moduleRefPromise;
   moduleRef.injector.get(BackgroundService).fetchLatestDataAndSaveToDisk();
 }
}