ckapps / rxjs / 6722734432

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/src/array/operators/transformation/map-filter.operator.ts
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import { OperatorFunction } from 'rxjs';
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import { map } from 'rxjs/operators';
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/**










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 * Maps the elements of the array to only those elements that pass










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 * the given `predicate`.










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 *










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 * @param predicate Predicate function










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 */










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export function mapFilter<T>(




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  predicate: (value: T, index: number, array: T[]) => boolean,










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): OperatorFunction<T[], T[]> {










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  return map(items => items.filter(predicate));




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}
























    

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