@reactivex/rxjs
Version:
Reactive Extensions for modern JavaScript
46 lines • 1.77 kB
JavaScript
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
define(["require", "exports", './Subject', './Subscription'], function (require, exports, Subject_1, Subscription_1) {
"use strict";
/**
* @class AsyncSubject<T>
*/
var AsyncSubject = (function (_super) {
__extends(AsyncSubject, _super);
function AsyncSubject() {
_super.apply(this, arguments);
this.value = null;
this.hasNext = false;
this.hasCompleted = false;
}
AsyncSubject.prototype._subscribe = function (subscriber) {
if (this.hasCompleted && this.hasNext) {
subscriber.next(this.value);
subscriber.complete();
return Subscription_1.Subscription.EMPTY;
}
else if (this.hasError) {
subscriber.error(this.thrownError);
return Subscription_1.Subscription.EMPTY;
}
return _super.prototype._subscribe.call(this, subscriber);
};
AsyncSubject.prototype.next = function (value) {
this.value = value;
this.hasNext = true;
};
AsyncSubject.prototype.complete = function () {
this.hasCompleted = true;
if (this.hasNext) {
_super.prototype.next.call(this, this.value);
}
_super.prototype.complete.call(this);
};
return AsyncSubject;
}(Subject_1.Subject));
exports.AsyncSubject = AsyncSubject;
});
//# sourceMappingURL=AsyncSubject.js.map