| /** 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 |