Function EffectWithState

packages/react-devtools-shell/src/multi/right.js:20–38

()

}

function EffectWithState() {
  const [didMount, setDidMount] = useState(0);

  const renderCountRef = useRef(0);
  renderCountRef.current++;

  useLayoutEffect(() => {
    if (!didMount) {
      setDidMount(true);
    }
  }, [didMount]);

  return (
    <ul>
      <li>Rendered {renderCountRef.current} times</li>
      {didMount && <li>Mounted!</li>}
    </ul>
  );
}

createRoot(createContainer()).render(<EffectWithState />);