github-pages-deploy-action/node_modules/rxjs/_esm5/internal/operators/debounceTime.js
2020-03-06 22:45:40 -05:00

65 lines
2.4 KiB
JavaScript

/** 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();
}
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