userForm = new FormGroup({
   name: new FormControl(''),
   age: new FormControl(''),
   address: new FormGroup({
      city: new FormControl(),
      state: new FormControl(),
      postalCode: new FormControl(),
   }),
 });

userForm = new FormGroup({
  name: new FormControl<string>(''),
  age: new FormControl<number | null>(null),
  address: new FormGroup({
    city: new FormControl<string>(''),
    state: new FormControl<string>(''),
    postalCode: new FormControl<number | null>(null),
  }),
});

@Component(...)
abstract class TestComponent {
  constructor(
    private a: A
  ) { }
}

@Component(...)
abstract class TestComponent {
  a = Inject(A); // <- ✅
}

@Component(...)
abstract class TestComponent {
  a: A|undefined;

  constructor() {
    this.a = inject(A); // <- ✅
  }
}

@Component(...)
abstract class TestComponent {
  a: A|undefined;
 
  ngOnInit() {
    this.a = inject(A); // <- ❌
  }
}

// app.module.ts
@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    BrowserAnimationsModule,
    RouterModule.forRoot([]),
  ],
  providers: [],
  bootstrap: [AppComponent]
})
export class AppModule { }

// app.component.ts
@Component({
  selector: 'sc-root',
  template: `
    <h1>Hello {{ title }}</h1>
  `
})
export class AppComponent {
  title = 'Angular';
}

// main.ts
if (environment.production) {
  enableProdMode();
}

platformBrowserDynamic()
  .bootstrapModule(AppModule)
  .catch(err => console.error(err));

const routes: Routes = [
  {
    path: 'dashboard',
    component: DashboardComponent,
  },
  {
    path: 'roles',
    children: [{
      path: '',
      component: RolesComponent,
    }, {
      path: 'details/:id',
      component: RolesDetailsComponent,
    }],
  },
  {
    path: 'admin',
    component: AdminComponent,
  },
  {
    path: 'product',
    component: ProductComponent,
  },
  {
    path: '**',
    redirectTo: 'dashboard'
  },
];

const routes: Routes = [
  {
    path: 'dashboard',
    loadChildren: () => 
      import('./dashboard/dashboard.module')
       .then(m => m.DashboardModule),
  },
  {
    path: 'roles',
    loadChildren: () =>
      import('./roles/roles.module')
        .then(m => m.RolesModule),
  },
  {
    path: 'admin',
    loadChildren: () =>
      import('./admin/admin.module')
        .then(m => m.AdminModule),
  },
  {
    path: 'product',
    loadChildren: () =>
      import('./product/product.module')
        .then(m => m.ProductModule),
  },
  {
    path: '**',
    redirectTo: 'dashboard'
  },
];

@NgModule({
  declarations: [],
  imports: [
    RouterModule.forRoot(routes),
  ],
  exports: [RouterModule],
})
export class AppRoutingModule { }

ng generate component standalone --standalone 

@Component({
  selector: 'app-standalone',
  standalone: true,
  imports: [CommonModule], // <-- all imports goes here
  templateUrl: './standalone.component.html',
  styleUrls: ['./standalone.component.scss']
})
export class StandaloneComponent implements OnInit {
  ...
}

const routes = [
  {
    path: 'standalone',
    component: StandaloneComponent,
  },
  ...
];

const routes = [
  {
    path: 'standalone-lazy',
    loadComponent: () => import('./components/standalone-lazy.component')
    	.then(s => s.StandaloneLazyComponent),
  },
]

import { 
  EditEmployeePage as NewEditEmployeePage,
} from './components/employees/edit-employee';
import { EditEmployeePage } from './employees/edit-employee';
...

provideRouter([
  {
    path: 'edit-employee/:id',
    component: NewEditEmployeePage,
    canMatch: () => inject(FeatureFlagService).isNewEditEmployeePageEnabled
  },
  {
    path: 'edit-employee/:id',
    component: EditEmployeePage
  }
])