2 var __extends = (this && this.__extends) || (function () {
3 var extendStatics = function (d, b) {
4 extendStatics = Object.setPrototypeOf ||
5 ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
6 function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
7 return extendStatics(d, b);
9 return function (d, b) {
11 function __() { this.constructor = d; }
12 d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
15 Object.defineProperty(exports, "__esModule", { value: true });
16 var Subscriber_1 = require("../Subscriber");
17 function count(predicate) {
18 return function (source) { return source.lift(new CountOperator(predicate, source)); };
20 exports.count = count;
21 var CountOperator = (function () {
22 function CountOperator(predicate, source) {
23 this.predicate = predicate;
26 CountOperator.prototype.call = function (subscriber, source) {
27 return source.subscribe(new CountSubscriber(subscriber, this.predicate, this.source));
31 var CountSubscriber = (function (_super) {
32 __extends(CountSubscriber, _super);
33 function CountSubscriber(destination, predicate, source) {
34 var _this = _super.call(this, destination) || this;
35 _this.predicate = predicate;
36 _this.source = source;
41 CountSubscriber.prototype._next = function (value) {
43 this._tryPredicate(value);
49 CountSubscriber.prototype._tryPredicate = function (value) {
52 result = this.predicate(value, this.index++, this.source);
55 this.destination.error(err);
62 CountSubscriber.prototype._complete = function () {
63 this.destination.next(this.count);
64 this.destination.complete();
66 return CountSubscriber;
67 }(Subscriber_1.Subscriber));
68 //# sourceMappingURL=count.js.map