Convert dot notation keys to object keys

dots.js

const util = require('util')

const obj = {
  "city": "De Pere",
  "foo.hoo": "loo",
  "foo.bar.name": "mark",
  "foo.bar.age": 10,
  "foo.bar.color": "larry",
  "foo.bar.house.number": 523,
}

const newObj = Object.keys(obj).reduce((acc, result, ci) => {
  const keys = result.split('.')
  const top = acc[keys[0]] || {}
  acc[keys[0]] = keys.reduce((acc2, result2, ci2) => {
    if (keys.length == 1) {
      acc2 = obj[keys[0]]
      return acc2
    } else if (ci2 == keys.length - 1) {
      acc2[result2] = obj[result]
      return top
    } else if (ci2 == 0) {
      return acc2
    } else {
      acc2[result2] = acc2[result2] || {}
      return acc2[result2]
    }
  }, top)
  return acc
}, {})

console.log(util.inspect(newObj, { showHidden: false, depth: null, colors: true }))