22 lines
449 B
TypeScript
22 lines
449 B
TypeScript
import { Observable, Subscription } from 'rxjs';
|
|
|
|
export class UmbObserver<T> {
|
|
#subscription!: Subscription;
|
|
|
|
constructor(source: Observable<T>, callback: (_value: T) => void) {
|
|
this.#subscription = source.subscribe((value) => {
|
|
callback(value);
|
|
});
|
|
}
|
|
|
|
// Notice controller class implements empty hostConnected().
|
|
|
|
hostDisconnected() {
|
|
this.#subscription.unsubscribe();
|
|
}
|
|
|
|
destroy(): void {
|
|
this.#subscription.unsubscribe();
|
|
}
|
|
}
|