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- /** PURE_IMPORTS_START tslib,_innerSubscribe PURE_IMPORTS_END */
- import * as tslib_1 from "tslib";
- import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe';
- export function debounce(durationSelector) {
- return function (source) { return source.lift(new DebounceOperator(durationSelector)); };
- }
- var DebounceOperator = /*@__PURE__*/ (function () {
- function DebounceOperator(durationSelector) {
- this.durationSelector = durationSelector;
- }
- DebounceOperator.prototype.call = function (subscriber, source) {
- return source.subscribe(new DebounceSubscriber(subscriber, this.durationSelector));
- };
- return DebounceOperator;
- }());
- var DebounceSubscriber = /*@__PURE__*/ (function (_super) {
- tslib_1.__extends(DebounceSubscriber, _super);
- function DebounceSubscriber(destination, durationSelector) {
- var _this = _super.call(this, destination) || this;
- _this.durationSelector = durationSelector;
- _this.hasValue = false;
- return _this;
- }
- DebounceSubscriber.prototype._next = function (value) {
- try {
- var result = this.durationSelector.call(this, value);
- if (result) {
- this._tryNext(value, result);
- }
- }
- catch (err) {
- this.destination.error(err);
- }
- };
- DebounceSubscriber.prototype._complete = function () {
- this.emitValue();
- this.destination.complete();
- };
- DebounceSubscriber.prototype._tryNext = function (value, duration) {
- var subscription = this.durationSubscription;
- this.value = value;
- this.hasValue = true;
- if (subscription) {
- subscription.unsubscribe();
- this.remove(subscription);
- }
- subscription = innerSubscribe(duration, new SimpleInnerSubscriber(this));
- if (subscription && !subscription.closed) {
- this.add(this.durationSubscription = subscription);
- }
- };
- DebounceSubscriber.prototype.notifyNext = function () {
- this.emitValue();
- };
- DebounceSubscriber.prototype.notifyComplete = function () {
- this.emitValue();
- };
- DebounceSubscriber.prototype.emitValue = function () {
- if (this.hasValue) {
- var value = this.value;
- var subscription = this.durationSubscription;
- if (subscription) {
- this.durationSubscription = undefined;
- subscription.unsubscribe();
- this.remove(subscription);
- }
- this.value = undefined;
- this.hasValue = false;
- _super.prototype._next.call(this, value);
- }
- };
- return DebounceSubscriber;
- }(SimpleOuterSubscriber));
- //# sourceMappingURL=debounce.js.map
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