Component() — react Function Reference

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-missing-memoization-lack-of-phi-types-explicit-types.js lines 8–22

function Component() {
  const data = useFragment();
  const nodes: Array<any> = data.nodes ?? [];
  const flatMap: Array<any> = nodes.flatMap(node => node.items);
  const filtered: Array<any> = flatMap.filter(item => item != null);
  const map: Array<any> = useMemo(() => filtered.map(), [filtered]);
  const index: Array<any> = filtered.findIndex(x => x === null);

  return (
    <div>
      {map}
      {index}
    </div>
  );
}