|  | "use strict"; | 
|  | var __extends = (this && this.__extends) || (function () { | 
|  | var extendStatics = function (d, b) { | 
|  | extendStatics = Object.setPrototypeOf || | 
|  | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || | 
|  | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; | 
|  | return extendStatics(d, b); | 
|  | } | 
|  | return function (d, b) { | 
|  | extendStatics(d, b); | 
|  | function __() { this.constructor = d; } | 
|  | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); | 
|  | }; | 
|  | })(); | 
|  | Object.defineProperty(exports, "__esModule", { value: true }); | 
|  | var Subscriber_1 = require("../Subscriber"); | 
|  | function isEmpty() { | 
|  | return function (source) { return source.lift(new IsEmptyOperator()); }; | 
|  | } | 
|  | exports.isEmpty = isEmpty; | 
|  | var IsEmptyOperator = (function () { | 
|  | function IsEmptyOperator() { | 
|  | } | 
|  | IsEmptyOperator.prototype.call = function (observer, source) { | 
|  | return source.subscribe(new IsEmptySubscriber(observer)); | 
|  | }; | 
|  | return IsEmptyOperator; | 
|  | }()); | 
|  | var IsEmptySubscriber = (function (_super) { | 
|  | __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_1.Subscriber)); | 
|  | //# sourceMappingURL=isEmpty.js.map |