Find nested JavaScript objects by a string path

deepvalue.js

function deepValue(obj, path) {
  // allow path to be passed as a string
  if (!Array.isArray(path)){
    path = path.split(".")
  }
   
  var segment = path[0]
  path = path.slice(1, path.length);
  
  obj = obj[segment]
  if (!obj) { throw "object not found"}
  if (path.length == 0) { return obj }
  return deepValue(obj, path)
}