examples/framework-preact/src/components/Counter.tsx


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

import { h, Fragment } from 'preact';
import { useState } from 'preact/hooks';
import './Counter.css';

export default function Counter({ children }) {
  const [count, setCount] = useState(0);
  const add = () => setCount((i) => i + 1);
  const subtract = () => setCount((i) => i - 1);

  return (
    <>
      <div class="counter">
        <button onClick={subtract}>-</button>
        <pre>{count}</pre>
        <button onClick={add}>+</button>
      </div>
      <div class="counter-message">{children}</div>
    </>
  );
}