text: import _extends from "@babel/runtime/helpers/esm/extends";
  import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
  import _createClass from "@babel/runtime/helpers/esm/createClass";
  import _inherits from "@babel/runtime/helpers/esm/inherits";
  import _possibleConstructorReturn from "@babel/runtime/helpers/esm/possibleConstructorReturn";
  import _getPrototypeOf from "@babel/runtime/helpers/esm/getPrototypeOf";
  
  function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function () { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
  
  function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }
  
  import React from 'react';
  import { menuAllProps } from './util';
  
  var MenuItemGroup =
  /** @class */
  function () {
    var MenuItemGroup = /*#__PURE__*/function (_React$Component) {
      _inherits(MenuItemGroup, _React$Component);
  
      var _super = _createSuper(MenuItemGroup);
  
      function MenuItemGroup() {
        var _this;
  
        _classCallCheck(this, MenuItemGroup);
  
        _this = _super.apply(this, arguments);
  
        _this.renderInnerMenuItem = function (item) {
          var _this$props = _this.props,
              renderMenuItem = _this$props.renderMenuItem,
              index = _this$props.index;
          return renderMenuItem(item, index, _this.props.subMenuKey);
        };
  
        return _this;
      }
  
      _createClass(MenuItemGroup, [{
        key: "render",
        value: function render() {
          var props = _extends({}, this.props);
  
          var _props$className = props.className,
              className = _props$className === void 0 ? '' : _props$className,
              rootPrefixCls = props.rootPrefixCls;
          var titleClassName = "".concat(rootPrefixCls, "-item-group-title");
          var listClassName = "".concat(rootPrefixCls, "-item-group-list");
          var title = props.title,
              children = props.children;
          menuAllProps.forEach(function (key) {
            return delete props[key];
          }); // Set onClick to null, to ignore propagated onClick event
  
          delete props.onClick;
          delete props.direction;
          return React.createElement("li", Object.assign({}, props, {
            className: "".concat(className, " ").concat(rootPrefixCls, "-item-group")
          }), React.createElement("div", {
            className: titleClassName,
            title: typeof title === 'string' ? title : undefined
          }, title), React.createElement("ul", {
            className: listClassName
          }, React.Children.map(children, this.renderInnerMenuItem)));
        }
      }]);
  
      return MenuItemGroup;
    }(React.Component);
  
    MenuItemGroup.isMenuItemGroup = true;
    MenuItemGroup.defaultProps = {
      disabled: true
    };
    return MenuItemGroup;
  }();
  
  export default MenuItemGroup;