rc-menu/es/MenuItemGroup.js

import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/esm/objectWithoutProperties";
var _excluded = ["className", "title", "eventKey", "children"],
    _excluded2 = ["children"];
import * as React from 'react';
import classNames from 'classnames';
import omit from "rc-util/es/omit";
import { parseChildren } from './utils/nodeUtil';
import { MenuContext } from './context/MenuContext';
import { useFullPath, useMeasure } from './context/PathContext';

var InternalMenuItemGroup = function InternalMenuItemGroup(_ref) {
  var className = _ref.className,
      title = _ref.title,
      eventKey = _ref.eventKey,
      children = _ref.children,
      restProps = _objectWithoutProperties(_ref, _excluded);

  var _React$useContext = React.useContext(MenuContext),
      prefixCls = _React$useContext.prefixCls;

  var groupPrefixCls = "".concat(prefixCls, "-item-group");
  return /*#__PURE__*/React.createElement("li", _extends({}, restProps, {
    onClick: function onClick(e) {
      return e.stopPropagation();
    },
    className: classNames(groupPrefixCls, className)
  }), /*#__PURE__*/React.createElement("div", {
    className: "".concat(groupPrefixCls, "-title"),
    title: typeof title === 'string' ? title : undefined
  }, title), /*#__PURE__*/React.createElement("ul", {
    className: "".concat(groupPrefixCls, "-list")
  }, children));
};

export default function MenuItemGroup(_ref2) {
  var children = _ref2.children,
      props = _objectWithoutProperties(_ref2, _excluded2);

  var connectedKeyPath = useFullPath(props.eventKey);
  var childList = parseChildren(children, connectedKeyPath);
  var measure = useMeasure();

  if (measure) {
    return childList;
  }

  return /*#__PURE__*/React.createElement(InternalMenuItemGroup, omit(props, ['warnKey']), childList);
}