cli-check-node/index.js

Check the installed Node.js version and exit as per the required Node.js version.

const currentNodeVersion = process.versions.node;
const semver = currentNodeVersion.split('.');
const major = semver[0];
const sym = require('log-symbols');
const chalk = require('chalk');

/**
 * Cli Check Node.
 *
 * @param {String} requiredNodeVersion
 * @param {Object} options
 */
module.exports = (requiredNodeVersion, options) => {
	const defaultOptions = { fail: true };
	const finalOptions = { ...defaultOptions, ...options };

	const fail = `
${sym.error} ${chalk.red(`Node version issue!`)}

You are running Node version: ${chalk.red(currentNodeVersion)}
Required version of Node is: ${chalk.green(requiredNodeVersion)} or higher.

${sym.info} Please update your version of Node.js to run this program.
${sym.info} https://nodejs.org/en/download \n`;

	if (major < Math.abs(requiredNodeVersion)) {
		console.error(fail);
		finalOptions.fail && process.exit(1);
		return fail;
	}
};