Transforms a list of value into a mirrored key:value object

keymirror.js

// Transforms a list a value into a mirrored key:value object
// A one-liner functional rewrote of keyMirror NPM package
// https://github.com/STRML/keyMirror/blob/master/index.js

// example :
// 
// import keyMirror from './keyMirror.js'
// console.log(keyMirror(['apple', 'orange', 'banana']));
// output: { apple:'apple', orange:'orange', banana:'banana' }

const keyMirror = arr =>
  arr.reduce((prev, curr) => ({ ...prev, [curr]: curr }), {});
export default keyMirror;