| import { Subject } from '../Subject'; | 
| import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe'; | 
| export function window(windowBoundaries) { | 
|     return function windowOperatorFunction(source) { | 
|         return source.lift(new WindowOperator(windowBoundaries)); | 
|     }; | 
| } | 
| class WindowOperator { | 
|     constructor(windowBoundaries) { | 
|         this.windowBoundaries = windowBoundaries; | 
|     } | 
|     call(subscriber, source) { | 
|         const windowSubscriber = new WindowSubscriber(subscriber); | 
|         const sourceSubscription = source.subscribe(windowSubscriber); | 
|         if (!sourceSubscription.closed) { | 
|             windowSubscriber.add(innerSubscribe(this.windowBoundaries, new SimpleInnerSubscriber(windowSubscriber))); | 
|         } | 
|         return sourceSubscription; | 
|     } | 
| } | 
| class WindowSubscriber extends SimpleOuterSubscriber { | 
|     constructor(destination) { | 
|         super(destination); | 
|         this.window = new Subject(); | 
|         destination.next(this.window); | 
|     } | 
|     notifyNext() { | 
|         this.openWindow(); | 
|     } | 
|     notifyError(error) { | 
|         this._error(error); | 
|     } | 
|     notifyComplete() { | 
|         this._complete(); | 
|     } | 
|     _next(value) { | 
|         this.window.next(value); | 
|     } | 
|     _error(err) { | 
|         this.window.error(err); | 
|         this.destination.error(err); | 
|     } | 
|     _complete() { | 
|         this.window.complete(); | 
|         this.destination.complete(); | 
|     } | 
|     _unsubscribe() { | 
|         this.window = null; | 
|     } | 
|     openWindow() { | 
|         const prevWindow = this.window; | 
|         if (prevWindow) { | 
|             prevWindow.complete(); | 
|         } | 
|         const destination = this.destination; | 
|         const newWindow = this.window = new Subject(); | 
|         destination.next(newWindow); | 
|     } | 
| } | 
| //# sourceMappingURL=window.js.map |