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dspace-angular/src/app/item-page/edit-item-page/edit-item-operators.ts
2021-07-23 17:18:51 +02:00

14 lines
546 B
TypeScript

import {RemoteData} from '../../core/data/remote-data';
import {Observable} from 'rxjs';
import {first} from 'rxjs/operators';
import {getAllSucceededRemoteData} from '../../core/shared/operators';
/**
* Return first Observable of a RemoteData object that complies to the provided predicate
* @param predicate
*/
export const findSuccessfulAccordingTo = <T>(predicate: (rd: RemoteData<T>) => boolean) =>
(source: Observable<RemoteData<T>>): Observable<RemoteData<T>> =>
source.pipe(getAllSucceededRemoteData(),
first(predicate));