Function didPrefetch

test/integration/link-ref-pages/test/index.test.ts:37–55

(pathname)

}

const didPrefetch = async (pathname) => {
  const browser = await webdriver(appPort, pathname)

  let chunk = getClientBuildManifestLoaderChunkUrlPath(appDir, '/')

  await retry(async () => {
    const links = await browser.elementsByCss('link[rel=prefetch]')

    const hrefs = await Promise.all(
      links.map((link) => link.getAttribute('href'))
    )

    expect(hrefs).toEqual(
      expect.arrayContaining([expect.stringContaining(chunk)])
    )
  })

  await browser.close()
}

function runCommonTests() {
  // See https://github.com/vercel/next.js/issues/18437