| /** PURE_IMPORTS_START tslib,_Subscriber PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { Subscriber } from '../Subscriber'; |
| export function refCount() { |
| return function refCountOperatorFunction(source) { |
| return source.lift(new RefCountOperator(source)); |
| }; |
| } |
| var RefCountOperator = /*@__PURE__*/ (function () { |
| function RefCountOperator(connectable) { |
| this.connectable = connectable; |
| } |
| RefCountOperator.prototype.call = function (subscriber, source) { |
| var connectable = this.connectable; |
| connectable._refCount++; |
| var refCounter = new RefCountSubscriber(subscriber, connectable); |
| var subscription = source.subscribe(refCounter); |
| if (!refCounter.closed) { |
| refCounter.connection = connectable.connect(); |
| } |
| return subscription; |
| }; |
| return RefCountOperator; |
| }()); |
| var RefCountSubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(RefCountSubscriber, _super); |
| function RefCountSubscriber(destination, connectable) { |
| var _this = _super.call(this, destination) || this; |
| _this.connectable = connectable; |
| return _this; |
| } |
| RefCountSubscriber.prototype._unsubscribe = function () { |
| var connectable = this.connectable; |
| if (!connectable) { |
| this.connection = null; |
| return; |
| } |
| this.connectable = null; |
| var refCount = connectable._refCount; |
| if (refCount <= 0) { |
| this.connection = null; |
| return; |
| } |
| connectable._refCount = refCount - 1; |
| if (refCount > 1) { |
| this.connection = null; |
| return; |
| } |
| var connection = this.connection; |
| var sharedConnection = connectable._connection; |
| this.connection = null; |
| if (sharedConnection && (!connection || sharedConnection === connection)) { |
| sharedConnection.unsubscribe(); |
| } |
| }; |
| return RefCountSubscriber; |
| }(Subscriber)); |
| //# sourceMappingURL=refCount.js.map |