function checkIfOnline()

in packages/create-react-kotlin-app/createReactApp.js [596:608]

• 10 lines of code
• 2 McCabe index (conditional complexity)

function checkIfOnline(useYarn) {
  if (!useYarn) {
    // Don't ping the Yarn registry.
    // We'll just assume the best case.
    return Promise.resolve(true);
  }

  return new Promise((resolve) => {
    dns.lookup('registry.yarnpkg.com', (err) => {
      resolve(err === null);
    });
  });
}