graphql
Version:
A Query Language and Runtime which can target any service.
23 lines (22 loc) • 659 B
text/typescript
import type { ObjMap } from "./ObjMap.mjs";
/**
* Creates a keyed JS object from an array, given a function to produce the keys
* and a function to produce the values from each item in the array.
* @internal
* @example
* ```ts
* const phoneBook = [
* { name: 'Jon', num: '555-1234' },
* { name: 'Jenny', num: '867-5309' },
* ];
*
* const phonesByName = keyValMap(
* phoneBook,
* (entry) => entry.name,
* (entry) => entry.num,
* );
*
* phonesByName; // => { Jon: '555-1234', Jenny: '867-5309' }
* ```
*/
export declare function keyValMap<T, V>(list: ReadonlyArray<T>, keyFn: (item: T) => string, valFn: (item: T) => V): ObjMap<V>;