ant-design/components/menu/demo/vertical.tsx

import React from 'react';
import { AppstoreOutlined, MailOutlined, SettingOutlined } from '@ant-design/icons';
import type { MenuProps } from 'antd';
import { Menu } from 'antd';

type MenuItem = Required<MenuProps>['items'][number];

function getItem(
  label: React.ReactNode,
  key?: React.Key | null,
  icon?: React.ReactNode,
  children?: MenuItem[],
  type?: 'group',
): MenuItem {
  return {
    key,
    icon,
    children,
    label,
    type,
  } as MenuItem;
}

const items: MenuItem[] = [
  getItem('Navigation One', 'sub1', <MailOutlined />, [
    getItem('Item 1', null, null, [getItem('Option 1', '1'), getItem('Option 2', '2')], 'group'),
    getItem('Item 2', null, null, [getItem('Option 3', '3'), getItem('Option 4', '4')], 'group'),
  ]),

  getItem('Navigation Two', 'sub2', <AppstoreOutlined />, [
    getItem('Option 5', '5'),
    getItem('Option 6', '6'),
    getItem('Submenu', 'sub3', null, [getItem('Option 7', '7'), getItem('Option 8', '8')]),
  ]),

  getItem('Navigation Three', 'sub4', <SettingOutlined />, [
    getItem('Option 9', '9'),
    getItem('Option 10', '10'),
    getItem('Option 11', '11'),
    getItem('Option 12', '12'),
  ]),
];

const onClick: MenuProps['onClick'] = (e) => {
  console.log('click', e);
};

const App: React.FC = () => (
  <Menu onClick={onClick} style={{ width: 256 }} mode="vertical" items={items} />
);

export default App;