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1.0 KiB
{"ast":null,"code":"import { Subscriber } from '../Subscriber';\nexport function filter(predicate, thisArg) {\n return function filterOperatorFunction(source) {\n return source.lift(new FilterOperator(predicate, thisArg));\n };\n}\n\nclass FilterOperator {\n constructor(predicate, thisArg) {\n this.predicate = predicate;\n this.thisArg = thisArg;\n }\n\n call(subscriber, source) {\n return source.subscribe(new FilterSubscriber(subscriber, this.predicate, this.thisArg));\n }\n\n}\n\nclass FilterSubscriber extends Subscriber {\n constructor(destination, predicate, thisArg) {\n super(destination);\n this.predicate = predicate;\n this.thisArg = thisArg;\n this.count = 0;\n }\n\n _next(value) {\n let result;\n\n try {\n result = this.predicate.call(this.thisArg, value, this.count++);\n } catch (err) {\n this.destination.error(err);\n return;\n }\n\n if (result) {\n this.destination.next(value);\n }\n }\n\n} //# sourceMappingURL=filter.js.map","map":null,"metadata":{},"sourceType":"module"}
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