Get object properties by path without error when null

prop.js

function prop(value, path) {
  path = path
    .replace(/\[(\d)\]/g, (_, v) => '.' + v)
    .replace(/^\./, '')
    .split('.')
  let current = value
  for (let prop of path) {
    if (current[prop]) current = current[prop]
    else return current[prop]
  }
  return current
}