import React from 'react'; import RcDropdown from 'rc-dropdown'; export default class Dropdown extends React.Component { render() { const { overlay, ...otherProps } = this.props; const menu = React.cloneElement(overlay, { openTransitionName: 'zoom-big', }); return ( ); } } Dropdown.defaultProps = { transitionName: 'slide-up', prefixCls: 'ant-dropdown', mouseEnterDelay: 0.15, mouseLeaveDelay: 0.1, };