Deep diff between two object, using lodash

difference.js

/**
 * Deep diff between two object, using lodash
 * @param  {Object} object Object compared
 * @param  {Object} base   Object to compare with
 * @return {Object}        Return a new object who represent the diff
 */
function difference(object, base) {
  return _.transform(object, (result, value, key) => {
    if (!_.isEqual(value, base[key])) {
      result[key] = _.isObject(value) && _.isObject(base[key]) ? difference(value, base[key]) : value
    }
  })
}