github-pages-deploy-action/node_modules/rxjs/_esm5/internal/operators/exhaust.js

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2020-03-07 11:45:40 +08:00
/** PURE_IMPORTS_START tslib,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */
import * as tslib_1 from "tslib";
import { OuterSubscriber } from '../OuterSubscriber';
import { subscribeToResult } from '../util/subscribeToResult';
export function exhaust() {
return function (source) { return source.lift(new SwitchFirstOperator()); };
}
var SwitchFirstOperator = /*@__PURE__*/ (function () {
function SwitchFirstOperator() {
}
SwitchFirstOperator.prototype.call = function (subscriber, source) {
return source.subscribe(new SwitchFirstSubscriber(subscriber));
};
return SwitchFirstOperator;
}());
var SwitchFirstSubscriber = /*@__PURE__*/ (function (_super) {
tslib_1.__extends(SwitchFirstSubscriber, _super);
function SwitchFirstSubscriber(destination) {
var _this = _super.call(this, destination) || this;
_this.hasCompleted = false;
_this.hasSubscription = false;
return _this;
}
SwitchFirstSubscriber.prototype._next = function (value) {
if (!this.hasSubscription) {
this.hasSubscription = true;
this.add(subscribeToResult(this, value));
}
};
SwitchFirstSubscriber.prototype._complete = function () {
this.hasCompleted = true;
if (!this.hasSubscription) {
this.destination.complete();
}
};
SwitchFirstSubscriber.prototype.notifyComplete = function (innerSub) {
this.remove(innerSub);
this.hasSubscription = false;
if (this.hasCompleted) {
this.destination.complete();
}
};
return SwitchFirstSubscriber;
}(OuterSubscriber));
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