{"ast":null,"code":"import { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nexport function finalize(callback) {\n  return source => source.lift(new FinallyOperator(callback));\n}\n\nclass FinallyOperator {\n  constructor(callback) {\n    this.callback = callback;\n  }\n\n  call(subscriber, source) {\n    return source.subscribe(new FinallySubscriber(subscriber, this.callback));\n  }\n\n}\n\nclass FinallySubscriber extends Subscriber {\n  constructor(destination, callback) {\n    super(destination);\n    this.add(new Subscription(callback));\n  }\n\n} //# sourceMappingURL=finalize.js.map","map":null,"metadata":{},"sourceType":"module"}