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1 : bufferSize;\n this._windowTime = windowTime < 1 ? 1 : windowTime;\n }\n\n next(value: T): void {\n const now = this._getNow();\n this._events.push(new ReplayEvent(now, value));\n this._trimBufferThenGetEvents();\n super.next(value);\n }\n\n /** @deprecated internal use only */ _subscribe(subscriber: Subscriber<T>): Subscription {\n const _events = this._trimBufferThenGetEvents();\n const scheduler = this.scheduler;\n let subscription: Subscription;\n\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n } else if (this.hasError) {\n subscription = Subscription.EMPTY;\n } else if (this.isStopped) {\n subscription = Subscription.EMPTY;\n } else {\n this.observers.push(subscriber);\n subscription = new SubjectSubscription(this, subscriber);\n }\n\n if (scheduler) {\n subscriber.add(subscriber = new ObserveOnSubscriber<T>(subscriber, scheduler));\n }\n\n const len = _events.length;\n for (let i = 0; i < len && !subscriber.closed; i++) {\n subscriber.next(_events[i].value);\n }\n\n if (this.hasError) {\n subscriber.error(this.thrownError);\n } else if (this.isStopped) {\n subscriber.complete();\n }\n\n return subscription;\n }\n\n _getNow(): number {\n return (this.scheduler || queue).now();\n }\n\n private _trimBufferThenGetEvents(): ReplayEvent<T>[] {\n const now = this._getNow();\n const _bufferSize = this._bufferSize;\n const _windowTime = this._windowTime;\n const _events = this._events;\n\n let eventsCount = _events.length;\n let spliceCount = 0;\n\n // Trim events that fall out of the time window.\n // Start at the front of the list. Break early once\n // we encounter an event that falls within the window.\n while (spliceCount < eventsCount) {\n if ((now - _events[spliceCount].time) < _windowTime) {\n break;\n }\n spliceCount++;\n }\n\n if (eventsCount > _bufferSize) {\n spliceCount = Math.max(spliceCount, eventsCount - _bufferSize);\n }\n\n if (spliceCount > 0) {\n _events.splice(0, spliceCount);\n }\n\n return _events;\n }\n}\n\nclass ReplayEvent<T> {\n constructor(public time: number, public value: T) {\n }\n}\n"]}
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