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 var async_1 = require("../scheduler/async");
18 function sampleTime(period, scheduler) {
19 if (scheduler === void 0) { scheduler = async_1.async; }
20 return function (source) { return source.lift(new SampleTimeOperator(period, scheduler)); };
22 exports.sampleTime = sampleTime;
23 var SampleTimeOperator = (function () {
24 function SampleTimeOperator(period, scheduler) {
26 this.scheduler = scheduler;
28 SampleTimeOperator.prototype.call = function (subscriber, source) {
29 return source.subscribe(new SampleTimeSubscriber(subscriber, this.period, this.scheduler));
31 return SampleTimeOperator;
33 var SampleTimeSubscriber = (function (_super) {
34 __extends(SampleTimeSubscriber, _super);
35 function SampleTimeSubscriber(destination, period, scheduler) {
36 var _this = _super.call(this, destination) || this;
37 _this.period = period;
38 _this.scheduler = scheduler;
39 _this.hasValue = false;
40 _this.add(scheduler.schedule(dispatchNotification, period, { subscriber: _this, period: period }));
43 SampleTimeSubscriber.prototype._next = function (value) {
44 this.lastValue = value;
47 SampleTimeSubscriber.prototype.notifyNext = function () {
49 this.hasValue = false;
50 this.destination.next(this.lastValue);
53 return SampleTimeSubscriber;
54 }(Subscriber_1.Subscriber));
55 function dispatchNotification(state) {
56 var subscriber = state.subscriber, period = state.period;
57 subscriber.notifyNext();
58 this.schedule(state, period);
60 //# sourceMappingURL=sampleTime.js.map