Files
bun-src/test/bundler/transpiler/react-compiler-fixtures/preserve-use-memo-transition-no-ispending.expect.md
2026-08-27 21:09:14 +00:00

906 B

Input

// @validatePreserveExistingMemoizationGuarantees
import {useCallback, useTransition} from 'react';

function useFoo() {
  const [, /* isPending intentionally not captured */ start] = useTransition();

  return useCallback(() => {
    start();
  }, []);
}

export const FIXTURE_ENTRYPOINT = {
  fn: useFoo,
  params: [],
};

Code

import { c as _c } from "react/compiler-runtime"; // @validatePreserveExistingMemoizationGuarantees
import { useCallback, useTransition } from "react";

function useFoo() {
  const $ = _c(1);
  const [, start] = useTransition();
  let t0;
  if ($[0] === Symbol.for("react.memo_cache_sentinel")) {
    t0 = () => {
      start();
    };
    $[0] = t0;
  } else {
    t0 = $[0];
  }
  return t0;
}

export const FIXTURE_ENTRYPOINT = {
  fn: useFoo,
  params: [],
};

Eval output

(kind: ok) ""