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node_modules/rxjs/_esm5/internal/operators/debounceTime.js

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+/** PURE_IMPORTS_START tslib,_Subscriber,_scheduler_async PURE_IMPORTS_END */
+import * as tslib_1 from "tslib";
+import { Subscriber } from '../Subscriber';
+import { async } from '../scheduler/async';
+export function debounceTime(dueTime, scheduler) {
+    if (scheduler === void 0) {
+        scheduler = async;
+    }
+    return function (source) { return source.lift(new DebounceTimeOperator(dueTime, scheduler)); };
+}
+var DebounceTimeOperator = /*@__PURE__*/ (function () {
+    function DebounceTimeOperator(dueTime, scheduler) {
+        this.dueTime = dueTime;
+        this.scheduler = scheduler;
+    }
+    DebounceTimeOperator.prototype.call = function (subscriber, source) {
+        return source.subscribe(new DebounceTimeSubscriber(subscriber, this.dueTime, this.scheduler));
+    };
+    return DebounceTimeOperator;
+}());
+var DebounceTimeSubscriber = /*@__PURE__*/ (function (_super) {
+    tslib_1.__extends(DebounceTimeSubscriber, _super);
+    function DebounceTimeSubscriber(destination, dueTime, scheduler) {
+        var _this = _super.call(this, destination) || this;
+        _this.dueTime = dueTime;
+        _this.scheduler = scheduler;
+        _this.debouncedSubscription = null;
+        _this.lastValue = null;
+        _this.hasValue = false;
+        return _this;
+    }
+    DebounceTimeSubscriber.prototype._next = function (value) {
+        this.clearDebounce();
+        this.lastValue = value;
+        this.hasValue = true;
+        this.add(this.debouncedSubscription = this.scheduler.schedule(dispatchNext, this.dueTime, this));
+    };
+    DebounceTimeSubscriber.prototype._complete = function () {
+        this.debouncedNext();
+        this.destination.complete();
+    };
+    DebounceTimeSubscriber.prototype.debouncedNext = function () {
+        this.clearDebounce();
+        if (this.hasValue) {
+            var lastValue = this.lastValue;
+            this.lastValue = null;
+            this.hasValue = false;
+            this.destination.next(lastValue);
+        }
+    };
+    DebounceTimeSubscriber.prototype.clearDebounce = function () {
+        var debouncedSubscription = this.debouncedSubscription;
+        if (debouncedSubscription !== null) {
+            this.remove(debouncedSubscription);
+            debouncedSubscription.unsubscribe();
+            this.debouncedSubscription = null;
+        }
+    };
+    return DebounceTimeSubscriber;
+}(Subscriber));
+function dispatchNext(subscriber) {
+    subscriber.debouncedNext();
+}
+//# sourceMappingURL=debounceTime.js.map