46 lines
1.7 KiB
JavaScript
46 lines
1.7 KiB
JavaScript
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/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
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import * as tslib_1 from "tslib";
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import { OuterSubscriber } from '../OuterSubscriber';
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import { subscribeToResult } from '../util/subscribeToResult';
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export function exhaust() {
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return function (source) { return source.lift(new SwitchFirstOperator()); };
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}
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var SwitchFirstOperator = /*@__PURE__*/ (function () {
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function SwitchFirstOperator() {
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}
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SwitchFirstOperator.prototype.call = function (subscriber, source) {
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return source.subscribe(new SwitchFirstSubscriber(subscriber));
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};
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return SwitchFirstOperator;
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}());
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var SwitchFirstSubscriber = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(SwitchFirstSubscriber, _super);
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function SwitchFirstSubscriber(destination) {
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var _this = _super.call(this, destination) || this;
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_this.hasCompleted = false;
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_this.hasSubscription = false;
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return _this;
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}
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SwitchFirstSubscriber.prototype._next = function (value) {
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if (!this.hasSubscription) {
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this.hasSubscription = true;
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this.add(subscribeToResult(this, value));
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}
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};
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SwitchFirstSubscriber.prototype._complete = function () {
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this.hasCompleted = true;
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if (!this.hasSubscription) {
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this.destination.complete();
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}
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};
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SwitchFirstSubscriber.prototype.notifyComplete = function (innerSub) {
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this.remove(innerSub);
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this.hasSubscription = false;
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if (this.hasCompleted) {
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this.destination.complete();
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}
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};
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return SwitchFirstSubscriber;
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}(OuterSubscriber));
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//# sourceMappingURL=exhaust.js.map
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