Build a File Explorer (tree view)

import React from 'react';
import FileExplorer from './src/FileExplorer';

const tree = {
  id: 'root',
  name: 'project',
  type: 'folder',
  children: [
    {
      id: 'src',
      name: 'src',
      type: 'folder',
      children: [
        { id: 'app', name: 'App.js', type: 'file' },
        { id: 'idx', name: 'index.js', type: 'file' },
        {
          id: 'comp',
          name: 'components',
          type: 'folder',
          children: [
            { id: 'btn', name: 'Button.js', type: 'file' },
            { id: 'card', name: 'Card.js', type: 'file' },
          ],
        },
      ],
    },
    { id: 'pkg', name: 'package.json', type: 'file' },
    { id: 'readme', name: 'README.md', type: 'file' },
  ],
};

export default function App() {
  return (
    <div style={{ fontFamily: 'sans-serif', padding: 20 }}>
      <h1>File Explorer Demo</h1>
      <FileExplorer tree={tree} />
    </div>
  );
}