Component() — react Function Reference

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/useMemo-mabye-modified-free-variable-dont-preserve-memoization-guarantees.js lines 5–23

function Component(props) {
  // With the feature disabled these variables are inferred as being mutated inside the useMemo block
  const free = makeObject_Primitives();
  const free2 = makeObject_Primitives();
  const part = free2.part;

  // This causes their range to extend to include this hook call, and in turn for the memoization to be pruned
  useHook();
  const object = useMemo(() => {
    const x = makeObject_Primitives();
    x.value = props.value;
    mutate(x, free, part);
    return x;
  }, [props.value]);

  identity(free);
  identity(part);
  return object;
}