title: Angular 2 check if child component is ready
body: <p>Is it possible to check in root component <code>AppComponent</code> that it's child component is ready. Child component is a component that is loaded using routes and <code>&lt;router-outlet&gt;</code> directive in AppComponent template. The child's component route has an async authentication guard <code>canActivate</code>. I want to execute some code in AppComponent when the authentication guard is completed.</p>