Function checkNpmVersion

packages/create-react-app/createReactApp.js:743–756

()

}

function checkNpmVersion() {
  let hasMinNpm = false;
  let npmVersion = null;
  try {
    npmVersion = execSync('npm --version').toString().trim();
    hasMinNpm = semver.gte(npmVersion, '6.0.0');
  } catch (err) {
    // ignore
  }
  return {
    hasMinNpm: hasMinNpm,
    npmVersion: npmVersion,
  };
}

function checkYarnVersion() {
  const minYarnPnp = '1.12.0';