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- {"ast":null,"code":"import { Subscriber } from '../Subscriber';\nimport { noop } from '../util/noop';\nimport { isFunction } from '../util/isFunction';\nexport function tap(nextOrObserver, error, complete) {\n return function tapOperatorFunction(source) {\n return source.lift(new DoOperator(nextOrObserver, error, complete));\n };\n}\nclass DoOperator {\n constructor(nextOrObserver, error, complete) {\n this.nextOrObserver = nextOrObserver;\n this.error = error;\n this.complete = complete;\n }\n call(subscriber, source) {\n return source.subscribe(new TapSubscriber(subscriber, this.nextOrObserver, this.error, this.complete));\n }\n}\nclass TapSubscriber extends Subscriber {\n constructor(destination, observerOrNext, error, complete) {\n super(destination);\n this._tapNext = noop;\n this._tapError = noop;\n this._tapComplete = noop;\n this._tapError = error || noop;\n this._tapComplete = complete || noop;\n if (isFunction(observerOrNext)) {\n this._context = this;\n this._tapNext = observerOrNext;\n } else if (observerOrNext) {\n this._context = observerOrNext;\n this._tapNext = observerOrNext.next || noop;\n this._tapError = observerOrNext.error || noop;\n this._tapComplete = observerOrNext.complete || noop;\n }\n }\n _next(value) {\n try {\n this._tapNext.call(this._context, value);\n } catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.next(value);\n }\n _error(err) {\n try {\n this._tapError.call(this._context, err);\n } catch (err) {\n this.destination.error(err);\n return;\n }\n this.destination.error(err);\n }\n _complete() {\n try {\n this._tapComplete.call(this._context);\n } catch (err) {\n this.destination.error(err);\n return;\n }\n return this.destination.complete();\n }\n}\n//# sourceMappingURL=tap.js.map","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}
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