| 1 | "use strict";
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| 2 | var __extends = (this && this.__extends) || (function () {
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| 3 | var extendStatics = function (d, b) {
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| 4 | extendStatics = Object.setPrototypeOf ||
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| 5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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| 6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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| 7 | return extendStatics(d, b);
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| 8 | }
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| 9 | return function (d, b) {
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| 10 | extendStatics(d, b);
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| 11 | function __() { this.constructor = d; }
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| 12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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| 13 | };
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| 14 | })();
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| 15 | Object.defineProperty(exports, "__esModule", { value: true });
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| 16 | var Subscriber_1 = require("../Subscriber");
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| 17 | var async_1 = require("../scheduler/async");
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| 18 | function sampleTime(period, scheduler) {
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| 19 | if (scheduler === void 0) { scheduler = async_1.async; }
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| 20 | return function (source) { return source.lift(new SampleTimeOperator(period, scheduler)); };
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| 21 | }
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| 22 | exports.sampleTime = sampleTime;
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| 23 | var SampleTimeOperator = (function () {
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| 24 | function SampleTimeOperator(period, scheduler) {
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| 25 | this.period = period;
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| 26 | this.scheduler = scheduler;
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| 27 | }
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| 28 | SampleTimeOperator.prototype.call = function (subscriber, source) {
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| 29 | return source.subscribe(new SampleTimeSubscriber(subscriber, this.period, this.scheduler));
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| 30 | };
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| 31 | return SampleTimeOperator;
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| 32 | }());
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| 33 | var SampleTimeSubscriber = (function (_super) {
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| 34 | __extends(SampleTimeSubscriber, _super);
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| 35 | function SampleTimeSubscriber(destination, period, scheduler) {
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| 36 | var _this = _super.call(this, destination) || this;
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| 37 | _this.period = period;
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| 38 | _this.scheduler = scheduler;
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| 39 | _this.hasValue = false;
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| 40 | _this.add(scheduler.schedule(dispatchNotification, period, { subscriber: _this, period: period }));
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| 41 | return _this;
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| 42 | }
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| 43 | SampleTimeSubscriber.prototype._next = function (value) {
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| 44 | this.lastValue = value;
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| 45 | this.hasValue = true;
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| 46 | };
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| 47 | SampleTimeSubscriber.prototype.notifyNext = function () {
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| 48 | if (this.hasValue) {
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| 49 | this.hasValue = false;
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| 50 | this.destination.next(this.lastValue);
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| 51 | }
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| 52 | };
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| 53 | return SampleTimeSubscriber;
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| 54 | }(Subscriber_1.Subscriber));
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| 55 | function dispatchNotification(state) {
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| 56 | var subscriber = state.subscriber, period = state.period;
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| 57 | subscriber.notifyNext();
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| 58 | this.schedule(state, period);
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| 59 | }
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| 60 | //# sourceMappingURL=sampleTime.js.map |
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