rc-menu/es/hooks/useActive.js

import * as React from 'react';
import { MenuContext } from '../context/MenuContext';
export default function useActive(eventKey, disabled, onMouseEnter, onMouseLeave) {
  var _React$useContext = React.useContext(MenuContext),
      activeKey = _React$useContext.activeKey,
      onActive = _React$useContext.onActive,
      onInactive = _React$useContext.onInactive;

  var ret = {
    active: activeKey === eventKey
  }; // Skip when disabled

  if (!disabled) {
    ret.onMouseEnter = function (domEvent) {
      onMouseEnter === null || onMouseEnter === void 0 ? void 0 : onMouseEnter({
        key: eventKey,
        domEvent: domEvent
      });
      onActive(eventKey);
    };

    ret.onMouseLeave = function (domEvent) {
      onMouseLeave === null || onMouseLeave === void 0 ? void 0 : onMouseLeave({
        key: eventKey,
        domEvent: domEvent
      });
      onInactive(eventKey);
    };
  }

  return ret;
}