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1 lines
1.6 KiB
1 lines
1.6 KiB
{"ast":null,"code":"import { Subscriber } from '../Subscriber';\nexport function refCount() {\n return function refCountOperatorFunction(source) {\n return source.lift(new RefCountOperator(source));\n };\n}\n\nclass RefCountOperator {\n constructor(connectable) {\n this.connectable = connectable;\n }\n\n call(subscriber, source) {\n const {\n connectable\n } = this;\n connectable._refCount++;\n const refCounter = new RefCountSubscriber(subscriber, connectable);\n const subscription = source.subscribe(refCounter);\n\n if (!refCounter.closed) {\n refCounter.connection = connectable.connect();\n }\n\n return subscription;\n }\n\n}\n\nclass RefCountSubscriber extends Subscriber {\n constructor(destination, connectable) {\n super(destination);\n this.connectable = connectable;\n }\n\n _unsubscribe() {\n const {\n connectable\n } = this;\n\n if (!connectable) {\n this.connection = null;\n return;\n }\n\n this.connectable = null;\n const refCount = connectable._refCount;\n\n if (refCount <= 0) {\n this.connection = null;\n return;\n }\n\n connectable._refCount = refCount - 1;\n\n if (refCount > 1) {\n this.connection = null;\n return;\n }\n\n const {\n connection\n } = this;\n const sharedConnection = connectable._connection;\n this.connection = null;\n\n if (sharedConnection && (!connection || sharedConnection === connection)) {\n sharedConnection.unsubscribe();\n }\n }\n\n} //# sourceMappingURL=refCount.js.map","map":null,"metadata":{},"sourceType":"module"}
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