Vlad Durnea
cffdf8af86
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24 lines
611 B
TypeScript
24 lines
611 B
TypeScript
import type { ObjMap } from './ObjMap';
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/**
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* Creates a keyed JS object from an array, given a function to produce the keys
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* and a function to produce the values from each item in the array.
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* ```ts
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* const phoneBook = [
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* { name: 'Jon', num: '555-1234' },
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* { name: 'Jenny', num: '867-5309' }
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* ]
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*
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* // { Jon: '555-1234', Jenny: '867-5309' }
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* const phonesByName = keyValMap(
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* phoneBook,
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* entry => entry.name,
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* entry => entry.num
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* )
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* ```
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*/
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export declare function keyValMap<T, V>(
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list: ReadonlyArray<T>,
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keyFn: (item: T) => string,
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valFn: (item: T) => V,
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): ObjMap<V>;
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