APP_COMPONENT: OpaqueToken

export APP_COMPONENT : OpaqueToken

exported from angular2/core defined in angular2/src/core/application_tokens.ts (line 25)

An OpaqueToken representing the application root type in the Injector.

@Component(...)
class MyApp {
  ...
}

bootstrap(MyApp).then((appRef:ApplicationRef) {
  expect(appRef.injector.get(appComponentTypeToken)).toEqual(MyApp);
});