reduce-keys
Implementation
See https://github.com/evanx/reduce-keys/blob/master/index.js
module keys;
Test
See https://github.com/evanx/reduce-keys/blob/master/test.js
const reduceKeys = ;const result = ;const expectedResult = a: 'c' b: 'c' ;console;if JSON !== JSON throw 'FAIL';console;