Every new change

node_modules/rxjs/_esm2015/internal/operators/sampleTime.js

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+import { Subscriber } from '../Subscriber';
+import { async } from '../scheduler/async';
+export function sampleTime(period, scheduler = async) {
+    return (source) => source.lift(new SampleTimeOperator(period, scheduler));
+}
+class SampleTimeOperator {
+    constructor(period, scheduler) {
+        this.period = period;
+        this.scheduler = scheduler;
+    }
+    call(subscriber, source) {
+        return source.subscribe(new SampleTimeSubscriber(subscriber, this.period, this.scheduler));
+    }
+}
+class SampleTimeSubscriber extends Subscriber {
+    constructor(destination, period, scheduler) {
+        super(destination);
+        this.period = period;
+        this.scheduler = scheduler;
+        this.hasValue = false;
+        this.add(scheduler.schedule(dispatchNotification, period, { subscriber: this, period }));
+    }
+    _next(value) {
+        this.lastValue = value;
+        this.hasValue = true;
+    }
+    notifyNext() {
+        if (this.hasValue) {
+            this.hasValue = false;
+            this.destination.next(this.lastValue);
+        }
+    }
+}
+function dispatchNotification(state) {
+    let { subscriber, period } = state;
+    subscriber.notifyNext();
+    this.schedule(state, period);
+}
+//# sourceMappingURL=sampleTime.js.map