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 innerSubscribe_1 = require("../innerSubscribe");
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17 | function debounce(durationSelector) {
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18 | return function (source) { return source.lift(new DebounceOperator(durationSelector)); };
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19 | }
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20 | exports.debounce = debounce;
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21 | var DebounceOperator = (function () {
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22 | function DebounceOperator(durationSelector) {
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23 | this.durationSelector = durationSelector;
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24 | }
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25 | DebounceOperator.prototype.call = function (subscriber, source) {
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26 | return source.subscribe(new DebounceSubscriber(subscriber, this.durationSelector));
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27 | };
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28 | return DebounceOperator;
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29 | }());
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30 | var DebounceSubscriber = (function (_super) {
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31 | __extends(DebounceSubscriber, _super);
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32 | function DebounceSubscriber(destination, durationSelector) {
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33 | var _this = _super.call(this, destination) || this;
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34 | _this.durationSelector = durationSelector;
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35 | _this.hasValue = false;
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36 | return _this;
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37 | }
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38 | DebounceSubscriber.prototype._next = function (value) {
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39 | try {
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40 | var result = this.durationSelector.call(this, value);
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41 | if (result) {
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42 | this._tryNext(value, result);
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43 | }
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44 | }
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45 | catch (err) {
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46 | this.destination.error(err);
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47 | }
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48 | };
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49 | DebounceSubscriber.prototype._complete = function () {
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50 | this.emitValue();
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51 | this.destination.complete();
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52 | };
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53 | DebounceSubscriber.prototype._tryNext = function (value, duration) {
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54 | var subscription = this.durationSubscription;
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55 | this.value = value;
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56 | this.hasValue = true;
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57 | if (subscription) {
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58 | subscription.unsubscribe();
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59 | this.remove(subscription);
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60 | }
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61 | subscription = innerSubscribe_1.innerSubscribe(duration, new innerSubscribe_1.SimpleInnerSubscriber(this));
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62 | if (subscription && !subscription.closed) {
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63 | this.add(this.durationSubscription = subscription);
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64 | }
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65 | };
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66 | DebounceSubscriber.prototype.notifyNext = function () {
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67 | this.emitValue();
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68 | };
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69 | DebounceSubscriber.prototype.notifyComplete = function () {
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70 | this.emitValue();
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71 | };
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72 | DebounceSubscriber.prototype.emitValue = function () {
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73 | if (this.hasValue) {
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74 | var value = this.value;
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75 | var subscription = this.durationSubscription;
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76 | if (subscription) {
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77 | this.durationSubscription = undefined;
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78 | subscription.unsubscribe();
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79 | this.remove(subscription);
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80 | }
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81 | this.value = undefined;
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82 | this.hasValue = false;
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83 | _super.prototype._next.call(this, value);
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84 | }
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85 | };
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86 | return DebounceSubscriber;
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87 | }(innerSubscribe_1.SimpleOuterSubscriber));
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88 | //# sourceMappingURL=debounce.js.map |
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