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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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