1 /** PURE_IMPORTS_START tslib,_innerSubscribe PURE_IMPORTS_END */
2 import * as tslib_1 from "tslib";
3 import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe';
4 export function debounce(durationSelector) {
5 return function (source) { return source.lift(new DebounceOperator(durationSelector)); };
7 var DebounceOperator = /*@__PURE__*/ (function () {
8 function DebounceOperator(durationSelector) {
9 this.durationSelector = durationSelector;
11 DebounceOperator.prototype.call = function (subscriber, source) {
12 return source.subscribe(new DebounceSubscriber(subscriber, this.durationSelector));
14 return DebounceOperator;
16 var DebounceSubscriber = /*@__PURE__*/ (function (_super) {
17 tslib_1.__extends(DebounceSubscriber, _super);
18 function DebounceSubscriber(destination, durationSelector) {
19 var _this = _super.call(this, destination) || this;
20 _this.durationSelector = durationSelector;
21 _this.hasValue = false;
24 DebounceSubscriber.prototype._next = function (value) {
26 var result = this.durationSelector.call(this, value);
28 this._tryNext(value, result);
32 this.destination.error(err);
35 DebounceSubscriber.prototype._complete = function () {
37 this.destination.complete();
39 DebounceSubscriber.prototype._tryNext = function (value, duration) {
40 var subscription = this.durationSubscription;
44 subscription.unsubscribe();
45 this.remove(subscription);
47 subscription = innerSubscribe(duration, new SimpleInnerSubscriber(this));
48 if (subscription && !subscription.closed) {
49 this.add(this.durationSubscription = subscription);
52 DebounceSubscriber.prototype.notifyNext = function () {
55 DebounceSubscriber.prototype.notifyComplete = function () {
58 DebounceSubscriber.prototype.emitValue = function () {
60 var value = this.value;
61 var subscription = this.durationSubscription;
63 this.durationSubscription = undefined;
64 subscription.unsubscribe();
65 this.remove(subscription);
67 this.value = undefined;
68 this.hasValue = false;
69 _super.prototype._next.call(this, value);
72 return DebounceSubscriber;
73 }(SimpleOuterSubscriber));
74 //# sourceMappingURL=debounce.js.map