node.js

#!/usr/bin/env node

var wordwrap = require('wordwrap')
var inquirer = require('inquirer')
var minimist = require('minimist')
var opener   = require('opener')
var chalk    = require('chalk')

console.error()
console.error(chalk.yellow(' =============================='))
console.error(chalk.yellow(' = ~~~~~ ')+'webgl-workshop'+chalk.yellow(' ~~~~~ ='))
console.error(chalk.yellow(' =============================='))
console.error()

var argv = minimist(process.argv.slice(2), {
    boolean: ['o', 'y']
  , default: { o: true }
  , alias: {
      o: 'open'
    , y: 'yes'
  }
})

if (argv.yes) {
  boot()
} else {
  prompt()
}

function prompt() {
  inquirer.prompt([{
      'type': 'confirm'
    , 'name': 'ok'
    , 'default': true
    , 'message': wordwrap(4, 80)(
      "We're about to populate this directory with some code for you to " +
      "use for your answers. If they've already been created then don't worry, " +
      "they won't be replaced. Continue?"
    ).replace(/^\s+/, '')
  }], function(result) {
    if (!result.ok) return process.exit(1)

    console.error()
    boot()
  })
}

function boot() {
  require('@workshop/server')({}, function(err, address) {
    if (err) throw err

    if (argv.open) {
      console.error('Done! Booting up the workshop in your browser in just a second...')
    }

    console.error('Workshop running on: '+chalk.blue(address))
    console.error()

    if (argv.open) {
      setTimeout(function() {
        opener(address)
      }, 1000)
    }
  })
}