| /** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */ | 
| import * as tslib_1 from "tslib"; | 
| import { Subscriber } from '../Subscriber'; | 
| export function isEmpty() { | 
|     return function (source) { return source.lift(new IsEmptyOperator()); }; | 
| } | 
| var IsEmptyOperator = /*@__PURE__*/ (function () { | 
|     function IsEmptyOperator() { | 
|     } | 
|     IsEmptyOperator.prototype.call = function (observer, source) { | 
|         return source.subscribe(new IsEmptySubscriber(observer)); | 
|     }; | 
|     return IsEmptyOperator; | 
| }()); | 
| var IsEmptySubscriber = /*@__PURE__*/ (function (_super) { | 
|     tslib_1.__extends(IsEmptySubscriber, _super); | 
|     function IsEmptySubscriber(destination) { | 
|         return _super.call(this, destination) || this; | 
|     } | 
|     IsEmptySubscriber.prototype.notifyComplete = function (isEmpty) { | 
|         var destination = this.destination; | 
|         destination.next(isEmpty); | 
|         destination.complete(); | 
|     }; | 
|     IsEmptySubscriber.prototype._next = function (value) { | 
|         this.notifyComplete(false); | 
|     }; | 
|     IsEmptySubscriber.prototype._complete = function () { | 
|         this.notifyComplete(true); | 
|     }; | 
|     return IsEmptySubscriber; | 
| }(Subscriber)); | 
| //# sourceMappingURL=isEmpty.js.map |