import React from 'react'; import { Cascader } from 'antd'; interface Option { value: string | number; label: string; children?: Option[]; } const options: Option[] = [ { label: 'Light', value: 'light', children: new Array(20) .fill(null) .map((_, index) => ({ label: `Number ${index}`, value: index })), }, { label: 'Bamboo', value: 'bamboo', children: [ { label: 'Little', value: 'little', children: [ { label: 'Toy Fish', value: 'fish', }, { label: 'Toy Cards', value: 'cards', }, { label: 'Toy Bird', value: 'bird', }, ], }, ], }, ]; const onChange = (value: string[][]) => { console.log(value); }; const App: React.FC = () => ( ); export default App;