1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | 1 1 19 19 57 19 | (function() { 'use strict'; module.exports = function(current, initial) { var response = { current: current, initial: initial, diff: {} }; Object.keys(current).forEach(function(key){ response.diff[key] = current[key] - initial[key]; }); return response; }; })(); |