examples/with-markdown/src/components/PreactCounter.tsx


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

/** a counter written in Preact */
export default function PreactCounter({ children }) {
	const [count, setCount] = useState(0);
	const add = () => setCount((i) => i + 1);
	const subtract = () => setCount((i) => i - 1);

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