astro/packages/create-astro/create-astro.mjs

#!/usr/bin/env node
'use strict';

const currentVersion = process.versions.node;
const requiredMajorVersion = parseInt(currentVersion.split('.')[0], 10);
const minimumMajorVersion = 12;

if (requiredMajorVersion < minimumMajorVersion) {
  console.error(`Node.js v${currentVersion} is out of date and unsupported!`);
  console.error(`Please use Node.js v${minimumMajorVersion} or higher.`);
  process.exit(1);
}

import('./dist/index.js').then(({ main }) => main());