ant-design/components/drawer/demo/no-mask.tsx

import React, { useState } from 'react';
import { Button, Drawer } from 'antd';

const App: React.FC = () => {
  const [open, setOpen] = useState(false);

  const showDrawer = () => {
    setOpen(true);
  };

  const onClose = () => {
    setOpen(false);
  };

  return (
    <>
      <Button type="primary" onClick={showDrawer}>
        Open
      </Button>
      <Drawer
        title="Drawer without mask"
        placement="right"
        mask={false}
        onClose={onClose}
        open={open}
        styles={{
          mask: {
            width: 333,
            background: 'red',
            borderRadius: 20,
            boxShadow: '-5px 0 5px green',
            overflow: 'hidden',
          },
        }}
      >
        <p>Some contents...</p>
        <p>Some contents...</p>
        <p>Some contents...</p>
      </Drawer>
    </>
  );
};

export default App;