zaro/bin/zaro-start.js

#!/usr/bin/env node
var commander = require('commander')
var chalk = require('chalk');
var spawn = require('cross-spawn');

commander.on('--help', function () {
  console.log('  Examples:')
  console.log()
  console.log(chalk.gray('    # start to run your project'))
  console.log('    $ zaro start')
  console.log()
})

 spawn('npm', ['start'], { stdio: 'inherit' });