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