nixpkgs/pkgs/development/tools/yarn2nix-moretea/yarn2nix/lib/mapObjIndexedReturnArray.js
2019-07-25 17:15:00 +02:00

22 lines
654 B
JavaScript

const _curry2 = require('ramda/src/internal/_curry2')
const _map = require('ramda/src/internal/_map')
const keys = require('ramda/src/keys')
// mapObjIndexed: ((v, k, {k: v}) → v') → {k: v} → {k: v'}
// mapObjIndexedReturnArray: ((v, k, {k: v}) → v') → {k: v} → [v']
/*
* @example
*
* const xyz = { x: 1, y: 2, z: 3 };
* const prependKeyAndDouble = (num, key, obj) => key + (num * 2);
*
* mapObjIndexedReturnArray(prependKeyAndDouble, xyz); //=> ['x2', 'y4', 'z6']
*/
const mapObjIndexedReturnArray = _curry2((fn, obj) =>
_map(key => fn(obj[key], key, obj), keys(obj)),
)
module.exports = mapObjIndexedReturnArray