Assert a minimum Node.js version

assert-min-node-version.js

//asset the right Node.js version for compatibility (see http://node.green)
const requiredMajorVersion = 18
/** extracted major version number from the full version string */
const majorVersion = parseInt(process.version.split(".")[0].replace("v", ""), 10)
if (majorVersion < requiredMajorVersion) {
  console.error(
    `Node.js version ${process.version} is too low. Please upgrade to version ${requiredMajorVersion} or higher.`
  )
  process.exit(1)
} else console.log(`Node.js version ${process.version} is sufficient.`)