Function has

lib/web/jshint.js:10899–10911

* Checks if `path` is a direct property. * * @static * @memberOf _ * @category Object * @param {Object} object The object to query. * @param {Array|string} path The path to check. * @returns {boolean} Returns `true` if `path` is a direct property, else `false`.

(object, path)

     * // => true
     */
    function has(object, path) {
      if (object == null) {
        return false;
      }
      var result = hasOwnProperty.call(object, path);
      if (!result && !isKey(path)) {
        path = toPath(path);
        object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
        path = last(path);
        result = object != null && hasOwnProperty.call(object, path);
      }
      return result;
    }

    /**
     * Creates an object composed of the inverted keys and values of `object`.