Function auditTrail

src/compat/database/list/audit-trail.ts:8–14

(query: DatabaseQuery, events?: ChildEvent[], scheduler?: SchedulerLike)

export function auditTrail<T>(query: DatabaseQuery, events?: ChildEvent[], scheduler?: SchedulerLike): Observable<SnapshotAction<T>[]> {
  const auditTrail$ = stateChanges<T>(query, events)
    .pipe(
      scan((current, action) => [...current, action], [])
    );
  return waitForLoaded<T>(query, auditTrail$, scheduler);
}

interface LoadedMetadata {
  data: AngularFireAction<DataSnapshot>;