| /** PURE_IMPORTS_START tslib,_innerSubscribe PURE_IMPORTS_END */ | 
| import * as tslib_1 from "tslib"; | 
| import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe'; | 
| export function exhaust() { | 
|     return function (source) { return source.lift(new SwitchFirstOperator()); }; | 
| } | 
| var SwitchFirstOperator = /*@__PURE__*/ (function () { | 
|     function SwitchFirstOperator() { | 
|     } | 
|     SwitchFirstOperator.prototype.call = function (subscriber, source) { | 
|         return source.subscribe(new SwitchFirstSubscriber(subscriber)); | 
|     }; | 
|     return SwitchFirstOperator; | 
| }()); | 
| var SwitchFirstSubscriber = /*@__PURE__*/ (function (_super) { | 
|     tslib_1.__extends(SwitchFirstSubscriber, _super); | 
|     function SwitchFirstSubscriber(destination) { | 
|         var _this = _super.call(this, destination) || this; | 
|         _this.hasCompleted = false; | 
|         _this.hasSubscription = false; | 
|         return _this; | 
|     } | 
|     SwitchFirstSubscriber.prototype._next = function (value) { | 
|         if (!this.hasSubscription) { | 
|             this.hasSubscription = true; | 
|             this.add(innerSubscribe(value, new SimpleInnerSubscriber(this))); | 
|         } | 
|     }; | 
|     SwitchFirstSubscriber.prototype._complete = function () { | 
|         this.hasCompleted = true; | 
|         if (!this.hasSubscription) { | 
|             this.destination.complete(); | 
|         } | 
|     }; | 
|     SwitchFirstSubscriber.prototype.notifyComplete = function () { | 
|         this.hasSubscription = false; | 
|         if (this.hasCompleted) { | 
|             this.destination.complete(); | 
|         } | 
|     }; | 
|     return SwitchFirstSubscriber; | 
| }(SimpleOuterSubscriber)); | 
| //# sourceMappingURL=exhaust.js.map |