useFoo() — react Function Reference

Source Code

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/reduce-reactive-deps/hoist-deps-diff-ssa-instance.tsx lines 3–23

function useFoo({value, cond}) {
  let x: any = makeObject_Primitives();
  if (cond) {
    setPropertyByKey(x, 'a', null);
  } else {
    setPropertyByKey(x, 'a', {b: 2});
  }

  /**
   * y should take a dependency on `x`, not `x.a.b` here
   */
  const y = [];
  if (!cond) {
    y.push(x.a.b);
  }

  x = makeObject_Primitives();
  setPropertyByKey(x, 'a', {b: value});

  return [y, x.a.b];
}