function baseAt(object, paths) {
      var index = -1,
          isNil = object == null,
          length = paths.length,
          result = Array(length);

      while (++index < length) {
        result[index] = isNil ? undefined : get(object, paths[index]);
      }
      return result;
    }
The base implementation of `_.at` without support for individual paths.

@private
@param {Object} object The object to iterate over.
@param {string[]} paths The property paths of elements to pick.
@returns {Array} Returns the picked elements.