function castPath(value, object) {
  if (isArray(value)) {
    return value;
  }
  return isKey(value, object) ? [value] : stringToPath(toString(value));
}
Casts `value` to a path array if it's not one.

@private
@param {*} value The value to inspect.
@param {Object} [object] The object to query keys on.
@returns {Array} Returns the cast property path array.