Hook for manual bootstrapping of the application instead of using bootstrap array in @NgModule annotation. This hook is invoked only when the bootstrap array is empty or not provided.

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interface DoBootstrap {
  ngDoBootstrap(appRef: ApplicationRef): void
}

Description

Reference to the current application is provided as a parameter.

See "Bootstrapping" and "Entry components".

Further information is available in the Usage Notes...

Methods

Usage notes

The example below uses ApplicationRef.bootstrap() to render the AppComponent on the page.

class AppModule implements DoBootstrap {
  ngDoBootstrap(appRef: ApplicationRef) {
    appRef.bootstrap(AppComponent); // Or some other component
  }
}