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import { FunctionalComponent, h } from 'preact';
import { useEffect, useState } from 'preact/hooks';
interface Props {
user: string;
}
const Profile: FunctionalComponent<Props> = (props: Props) => {
const { user } = props;
const [time, setTime] = useState<number>(Date.now());
const [count, setCount] = useState<number>(0);
// gets called when this route is navigated to
useEffect(() => {
const timer = window.setInterval(() => setTime(Date.now()), 1000);
// gets called just before navigating away from the route
return (): void => {
clearInterval(timer);
};
}, []);
// update the current time
const increment = (): void => {
setCount(count + 1);
};
return (
<div>
<h1>Profile: {user}</h1>
<p>This is the user profile for a user named {user}.</p>
<div>Current time: {new Date(time).toLocaleString()}</div>
<p>
<button onClick={increment}>Click Me</button> Clicked {count}{' '}
times.
</p>
</div>
);
};
export default Profile;
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