44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
|
/** PURE_IMPORTS_START tslib,_innerSubscribe PURE_IMPORTS_END */
|
||
|
import * as tslib_1 from "tslib";
|
||
|
import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe';
|
||
|
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(innerSubscribe(value, new SimpleInnerSubscriber(this)));
|
||
|
}
|
||
|
};
|
||
|
SwitchFirstSubscriber.prototype._complete = function () {
|
||
|
this.hasCompleted = true;
|
||
|
if (!this.hasSubscription) {
|
||
|
this.destination.complete();
|
||
|
}
|
||
|
};
|
||
|
SwitchFirstSubscriber.prototype.notifyComplete = function () {
|
||
|
this.hasSubscription = false;
|
||
|
if (this.hasCompleted) {
|
||
|
this.destination.complete();
|
||
|
}
|
||
|
};
|
||
|
return SwitchFirstSubscriber;
|
||
|
}(SimpleOuterSubscriber));
|
||
|
//# sourceMappingURL=exhaust.js.map
|