Function fileExist

test/integration/export-404/test/index.test.ts:13–17

(path)

const nextConfig = new File(join(appDir, 'next.config.js'))

const fileExist = (path) =>
  access(path)
    .then(() => stat(path))
    .then((stats) => (stats.isFile() ? true : false))
    .catch(() => false)

// Issue #36855
// https://github.com/vercel/next.js/issues/36855