fusox/src/cli/init.js

Command line wrapper for fuse-box

const util = require('util')
const {execSync} = require('child_process')
const {readdirSync, existsSync, mkdirSync} = require('fs')
const chalk = require('chalk')
const path = require('path')
const {parseFlag} = require('../helpers')

module.exports = {parseInitFlags, initCommand}

function parseInitFlags (args) {
  let target = parseFlag(args.i, 'browser') || parseFlag(args.init, 'browser')
  let destination = args._.shift() || '.'
  
  return {target, destination}
}

function initCommand (flags) {
  if (['browser', 'electron', 'server', 'library'].indexOf(flags.target) === -1) {
    throw new Error(util.format('Invalid target "%s", valid targets are "browser", "electron", "server" and "library"', flags.target))
  }

  if ( ! flags.destination) {
    throw new Error('Missing destination argument')
  }

  let destinationPath = path.resolve(flags.destination)

  if (flags.destination === '.') {
    if (readdirSync(destinationPath).length > 0) {
      throw new Error('Current directory must be empty')
    }
  } else {
    if (existsSync(destinationPath)) {
      throw new Error(util.format('Directory "%s" already exists', flags.destination))
    }

    mkdirSync(flags.destination)

    if ( ! existsSync(destinationPath)) {
      throw new Error(util.format('Could not create directory "%s"', flags.destination))
    }
  }

  let repositoryUrl = 'https://github.com/maximkott/fusox-examples-' + flags.target
  let cloneCommand = util.format('git clone %s . && rm -rf .git && git init', repositoryUrl)
  let installCommand = 'npm install'
  let runCommand = 'npm run dev'
  let execOptions = {shell: true, stdio: 'inherit', cwd: destinationPath}

  console.log('Cloning example project for target %s from %s into %s', chalk.yellow(flags.target), chalk.yellow(repositoryUrl), chalk.yellow(path.resolve(flags.destination)))
  console.log(chalk.gray('$', cloneCommand))
  execSync(cloneCommand, execOptions)

  console.log()
  console.log('Installing dependencies')
  console.log(chalk.gray('$', installCommand))
  execSync(installCommand, execOptions)

  console.log()
  console.log('Starting project')
  console.log(chalk.gray('$', runCommand))
  execSync(runCommand, execOptions)
}