rxjs-compat/operator/isEmpty.d.ts

<img src="doc/asset/Rx_Logo_S.png" alt="RxJS Logo" width="86" height="86"> RxJS: Reactive Extensions For JavaScript ======================================

import { Observable } from 'rxjs';
/**
 * If the source Observable is empty it returns an Observable that emits true, otherwise it emits false.
 *
 * <img src="./img/isEmpty.png" width="100%">
 *
 * @return {Observable} An Observable that emits a Boolean.
 * @method isEmpty
 * @owner Observable
 */
export declare function isEmpty<T>(this: Observable<T>): Observable<boolean>;