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- {"ast":null,"code":"import { Subscriber } from '../Subscriber';\nimport { async } from '../scheduler/async';\nexport function sampleTime(period, scheduler = async) {\n return source => source.lift(new SampleTimeOperator(period, scheduler));\n}\nclass SampleTimeOperator {\n constructor(period, scheduler) {\n this.period = period;\n this.scheduler = scheduler;\n }\n call(subscriber, source) {\n return source.subscribe(new SampleTimeSubscriber(subscriber, this.period, this.scheduler));\n }\n}\nclass SampleTimeSubscriber extends Subscriber {\n constructor(destination, period, scheduler) {\n super(destination);\n this.period = period;\n this.scheduler = scheduler;\n this.hasValue = false;\n this.add(scheduler.schedule(dispatchNotification, period, {\n subscriber: this,\n period\n }));\n }\n _next(value) {\n this.lastValue = value;\n this.hasValue = true;\n }\n notifyNext() {\n if (this.hasValue) {\n this.hasValue = false;\n this.destination.next(this.lastValue);\n }\n }\n}\nfunction dispatchNotification(state) {\n let {\n subscriber,\n period\n } = state;\n subscriber.notifyNext();\n this.schedule(state, period);\n}\n//# sourceMappingURL=sampleTime.js.map","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}
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