./system/npm/preinstall.js

preinstall.js

const pkgJson = require('../../package.json');

const nodeVersion = process.versions.node;
let err = false;

if (pkgJson.nodeVersionLock !== nodeVersion) {
  console.error(`Please use node ${pkgJson.nodeVersionLock}. Try
    nvm install v${pkgJson.nodeVersionLock}
    nvm reinstall-packages v${nodeVersion}
    nvm uninstall v${nodeVersion}
  `);
  err = true;
} else {
  console.error(`Thanks for using Latest Node version ${pkgJson.nodeVersionLock}.\n`);
}

if (err) {
  console.error('');
  process.exit(1);
}