63 lines
2.4 KiB
JavaScript
63 lines
2.4 KiB
JavaScript
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import { __extends } from "tslib";
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import { Observable } from '../Observable';
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import { Subscription } from '../Subscription';
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import { refCount as higherOrderRefCount } from '../operators/refCount';
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import { createOperatorSubscriber } from '../operators/OperatorSubscriber';
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import { hasLift } from '../util/lift';
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var ConnectableObservable = (function (_super) {
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__extends(ConnectableObservable, _super);
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function ConnectableObservable(source, subjectFactory) {
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var _this = _super.call(this) || this;
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_this.source = source;
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_this.subjectFactory = subjectFactory;
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_this._subject = null;
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_this._refCount = 0;
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_this._connection = null;
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if (hasLift(source)) {
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_this.lift = source.lift;
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}
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return _this;
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}
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ConnectableObservable.prototype._subscribe = function (subscriber) {
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return this.getSubject().subscribe(subscriber);
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};
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ConnectableObservable.prototype.getSubject = function () {
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var subject = this._subject;
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if (!subject || subject.isStopped) {
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this._subject = this.subjectFactory();
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}
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return this._subject;
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};
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ConnectableObservable.prototype._teardown = function () {
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this._refCount = 0;
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var _connection = this._connection;
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this._subject = this._connection = null;
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_connection === null || _connection === void 0 ? void 0 : _connection.unsubscribe();
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};
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ConnectableObservable.prototype.connect = function () {
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var _this = this;
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var connection = this._connection;
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if (!connection) {
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connection = this._connection = new Subscription();
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var subject_1 = this.getSubject();
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connection.add(this.source.subscribe(createOperatorSubscriber(subject_1, undefined, function () {
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_this._teardown();
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subject_1.complete();
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}, function (err) {
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_this._teardown();
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subject_1.error(err);
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}, function () { return _this._teardown(); })));
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if (connection.closed) {
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this._connection = null;
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connection = Subscription.EMPTY;
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}
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}
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return connection;
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};
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ConnectableObservable.prototype.refCount = function () {
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return higherOrderRefCount()(this);
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};
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return ConnectableObservable;
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}(Observable));
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export { ConnectableObservable };
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//# sourceMappingURL=ConnectableObservable.js.map
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