5511567e046953c75ac2317848afc7e504787291c765df95efeb8eae6079b63f.json 1.1 KB

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  1. {"ast":null,"code":"import { Subscriber } from '../Subscriber';\nimport { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';\nimport { empty } from '../observable/empty';\nexport function take(count) {\n return source => {\n if (count === 0) {\n return empty();\n } else {\n return source.lift(new TakeOperator(count));\n }\n };\n}\nclass TakeOperator {\n constructor(total) {\n this.total = total;\n if (this.total < 0) {\n throw new ArgumentOutOfRangeError();\n }\n }\n call(subscriber, source) {\n return source.subscribe(new TakeSubscriber(subscriber, this.total));\n }\n}\nclass TakeSubscriber extends Subscriber {\n constructor(destination, total) {\n super(destination);\n this.total = total;\n this.count = 0;\n }\n _next(value) {\n const total = this.total;\n const count = ++this.count;\n if (count <= total) {\n this.destination.next(value);\n if (count === total) {\n this.destination.complete();\n this.unsubscribe();\n }\n }\n }\n}\n//# sourceMappingURL=take.js.map","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}