Function deferred

src/browser/utils/RefreshController.test.ts:7–17

()

const sleep = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms));

function deferred<T>() {
  let resolve!: (value: T) => void;
  let reject!: (reason?: unknown) => void;

  const promise = new Promise<T>((res, rej) => {
    resolve = res;
    reject = rej;
  });

  return { promise, resolve, reject };
}

// NOTE: Bun's Jest-compat layer does not currently expose timer controls like
// jest.advanceTimersByTime(), so these tests use real timers.