| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | */ |
| 7 | |
| 8 | import * as React from 'react'; |
| 9 | import {useState} from 'react'; |
| 10 | import {createRoot} from 'react-dom/client'; |
| 11 | |
| 12 | function createContainer() { |
| 13 | const container = document.createElement('div'); |
| 14 | |
| 15 | ((document.body: any): HTMLBodyElement).appendChild(container); |
| 16 | |
| 17 | return container; |
| 18 | } |
| 19 | |
| 20 | function StatefulCounter() { |
| 21 | const [count, setCount] = useState(0); |
| 22 | const handleClick = () => setCount(count + 1); |
| 23 | return <button onClick={handleClick}>Count {count}</button>; |
| 24 | } |
| 25 | |
| 26 | createRoot(createContainer()).render(<StatefulCounter />); |