keyarray-get/index.js

get nested properties with key arrays

module.exports = function get (object, keyArray, surrogate) {
  if (keyArray.length === 0) {
    return object
  } else {
    var firstKey = keyArray[0]
    if (object.hasOwnProperty(firstKey)) {
      return get(object[firstKey], keyArray.slice(1), surrogate)
    } else {
      return surrogate
    }
  }
}