@Pipe({ name: 'plusOne', standalone: true }) export class PlusOnePipe implements PipeTransform { transform(value: number): number { return value + 1; } } @Component({ selector: "app-root", template: ` <div>{{ count | plusOne }}</div> <button (click)="count = count + 1">Increase</button> `, standalone: true, imports: [PlusOnePipe], }) export class AppComponent { count = 0; }