ant-design/components/space/demo/compact-nested.tsx

import React from 'react';
import { CopyOutlined, SearchOutlined } from '@ant-design/icons';
import { Button, Cascader, Input, InputNumber, Select, Space, TimePicker } from 'antd';

const { Option } = Select;

const App: React.FC = () => (
  <>
    <Space.Compact block>
      <Space.Compact>
        <Space.Compact>
          <Input style={{ width: 90 }} placeholder="Typing..." />
          <Button icon={<SearchOutlined />} />
        </Space.Compact>
        <Space.Compact>
          <InputNumber defaultValue={12} />
          <Select defaultValue="Option1">
            <Option value="Option1">Opt1</Option>
            <Option value="Option2">Opt2</Option>
          </Select>
        </Space.Compact>
      </Space.Compact>
      <Button type="primary">Separator</Button>
      <Space.Compact>
        <Space.Compact>
          <Input.Search style={{ width: 110 }} placeholder="Search" />
          <Button type="primary">Submit</Button>
        </Space.Compact>
        <Space.Compact>
          <Input defaultValue="mysite" />
          <Button icon={<CopyOutlined />} />
        </Space.Compact>
      </Space.Compact>
    </Space.Compact>
    <>
      <br />
      <Space.Compact block>
        <Space.Compact>
          <TimePicker />
          <Button type="primary">Submit</Button>
        </Space.Compact>
        <Space.Compact>
          <Cascader
            options={[
              {
                value: 'zhejiang',
                label: 'Zhejiang',
                children: [
                  {
                    value: 'hangzhou',
                    label: 'Hangzhou',
                    children: [
                      {
                        value: 'xihu',
                        label: 'West Lake',
                      },
                    ],
                  },
                ],
              },
              {
                value: 'jiangsu',
                label: 'Jiangsu',
                children: [
                  {
                    value: 'nanjing',
                    label: 'Nanjing',
                    children: [
                      {
                        value: 'zhonghuamen',
                        label: 'Zhong Hua Men',
                      },
                    ],
                  },
                ],
              },
            ]}
            placeholder="Select Address"
          />
          <Button type="primary">Submit</Button>
        </Space.Compact>
      </Space.Compact>
    </>
  </>
);

export default App;