140 lines
5.3 KiB
JavaScript
140 lines
5.3 KiB
JavaScript
/** PURE_IMPORTS_START tslib,_Subject,_Observable,_Subscriber,_Subscription,_operators_refCount PURE_IMPORTS_END */
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import * as tslib_1 from "tslib";
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import { SubjectSubscriber } from '../Subject';
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import { Observable } from '../Observable';
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import { Subscriber } from '../Subscriber';
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import { Subscription } from '../Subscription';
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import { refCount as higherOrderRefCount } from '../operators/refCount';
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var ConnectableObservable = /*@__PURE__*/ (function (_super) {
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tslib_1.__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._refCount = 0;
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_this._isComplete = false;
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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.connect = function () {
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var connection = this._connection;
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if (!connection) {
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this._isComplete = false;
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connection = this._connection = new Subscription();
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connection.add(this.source
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.subscribe(new ConnectableSubscriber(this.getSubject(), this)));
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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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var connectableProto = ConnectableObservable.prototype;
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export var connectableObservableDescriptor = {
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operator: { value: null },
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_refCount: { value: 0, writable: true },
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_subject: { value: null, writable: true },
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_connection: { value: null, writable: true },
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_subscribe: { value: connectableProto._subscribe },
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_isComplete: { value: connectableProto._isComplete, writable: true },
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getSubject: { value: connectableProto.getSubject },
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connect: { value: connectableProto.connect },
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refCount: { value: connectableProto.refCount }
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};
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var ConnectableSubscriber = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(ConnectableSubscriber, _super);
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function ConnectableSubscriber(destination, connectable) {
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var _this = _super.call(this, destination) || this;
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_this.connectable = connectable;
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return _this;
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}
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ConnectableSubscriber.prototype._error = function (err) {
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this._unsubscribe();
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_super.prototype._error.call(this, err);
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};
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ConnectableSubscriber.prototype._complete = function () {
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this.connectable._isComplete = true;
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this._unsubscribe();
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_super.prototype._complete.call(this);
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};
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ConnectableSubscriber.prototype._unsubscribe = function () {
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var connectable = this.connectable;
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if (connectable) {
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this.connectable = null;
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var connection = connectable._connection;
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connectable._refCount = 0;
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connectable._subject = null;
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connectable._connection = null;
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if (connection) {
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connection.unsubscribe();
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}
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}
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};
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return ConnectableSubscriber;
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}(SubjectSubscriber));
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var RefCountOperator = /*@__PURE__*/ (function () {
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function RefCountOperator(connectable) {
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this.connectable = connectable;
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}
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RefCountOperator.prototype.call = function (subscriber, source) {
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var connectable = this.connectable;
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connectable._refCount++;
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var refCounter = new RefCountSubscriber(subscriber, connectable);
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var subscription = source.subscribe(refCounter);
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if (!refCounter.closed) {
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refCounter.connection = connectable.connect();
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}
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return subscription;
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};
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return RefCountOperator;
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}());
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var RefCountSubscriber = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(RefCountSubscriber, _super);
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function RefCountSubscriber(destination, connectable) {
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var _this = _super.call(this, destination) || this;
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_this.connectable = connectable;
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return _this;
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}
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RefCountSubscriber.prototype._unsubscribe = function () {
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var connectable = this.connectable;
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if (!connectable) {
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this.connection = null;
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return;
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}
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this.connectable = null;
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var refCount = connectable._refCount;
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if (refCount <= 0) {
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this.connection = null;
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return;
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}
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connectable._refCount = refCount - 1;
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if (refCount > 1) {
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this.connection = null;
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return;
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}
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var connection = this.connection;
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var sharedConnection = connectable._connection;
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this.connection = null;
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if (sharedConnection && (!connection || sharedConnection === connection)) {
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sharedConnection.unsubscribe();
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}
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};
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return RefCountSubscriber;
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}(Subscriber));
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//# sourceMappingURL=ConnectableObservable.js.map
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