createInitializationTracker

Creates an observable that tracks component initialization progress.

This function returns an observable that emits when all expected components have been initialized. It uses the scan operator to accumulate initialization events and emits true when the count reaches the expected total.

Presentation

function createInitializationTracker(
  eventBus: EventBus,
  expectedCount: number,
): Observable<boolean>;

Returns

Parameters

const eventBus = inject(EventBus);
const totalComponents = 5; // 1 dynamic-form + 2 pages + 1 row + 1 group

const allInitialized$ = createInitializationTracker(eventBus, totalComponents);

allInitialized$.subscribe(isComplete => {
  if (isComplete) {
    console.log('All components are initialized!');
  }
});