tb-cli/lib/check-version.js

A simple CLI for scaffolding TB.

const request = require('request');
const semver = require('semver');
const chalk = require('chalk');
const packageConfig = require('../package.json');

module.exports = (done) => {
  // Ensure minimum supported node version is used
  if (!semver.satisfies(process.version, packageConfig.engines.node)) {
    return console.log(chalk.red(
      '  You must upgrade node to >=' + packageConfig.engines.node + '.x to use tb-cli'
    ));
  }

  // Check npm latest version
  request({
    url: 'https://registry.npmjs.org/tb-cli',
    timeout: 1000
  }, (err, res, body) => {
    if (!err && res.statusCode === 200) {
      const latestVersion = JSON.parse(body)['dist-tags'].latest;
      const localVersion = packageConfig.version;
      if (semver.lt(localVersion, latestVersion)) {
        console.log(chalk.yellow('  A newer version of tb-cli is available.'));
        console.log();
        console.log('  latest:    ' + chalk.green(latestVersion));
        console.log('  installed: ' + chalk.red(localVersion));
        console.log();
      }
    }
    done();
  });
};