ant-design/components/input-number/demo/digit.tsx

import React from 'react';
import { InputNumber } from 'antd';

const onChange = (value: string) => {
  console.log('changed', value);
};

const App: React.FC = () => (
  <InputNumber<string>
    style={{ width: 200 }}
    defaultValue="1"
    min="0"
    max="10"
    step="0.00000000000001"
    onChange={onChange}
    stringMode
  />
);

export default App;