getDotted

getDotted.js

function getDotted(data, field, def, delimeter) {
  delimeter = delimeter || '.';
  if (field.indexOf(delimeter) < 0) {
    return data[field] || def;
  }
  var components = field.split(delimeter);
  components = components.reverse();
  while (!!components.length && (typeof(data) == 'object')) {
    data = data[components.pop()]
  }
  // If there are components left, the final dest wasn't reached.
  if ((!!components.length) || (!data)) {
    return def
  }
  return data
}