DemocracyOS/democracyos

#!/usr/bin/env node

/**
 * Command line script to install dependencies of /ext
 * To be able to install dependencies on a fork without polluting DemocracyOS
 */

const fs = require('fs')
const path = require('path')
const cp = require('child_process')

const ROOT_FOLDER = path.resolve(__dirname, '..')
const EXT_PATH = path.resolve(ROOT_FOLDER, 'ext')

directoryExists(EXT_PATH, function (err, exists) {
  if (err) {
    console.error(err)
    process.exit(1)
  }

  if (!exists) process.exit(0)

  console.log('> Installing dependencies on /ext folder')

  const args = ['install'].concat(process.argv.splice(2))

  const install = cp.spawn('npm', args, {
    env: process.env,
    cwd: EXT_PATH,
    stdio: 'inherit'
  })

  install.on('close', (code) => {
    if (code === 0) {
      console.log('> All dependencies of /ext folder installed successfully.')
    } else {
      console.log('> There was an error installing dependencies on /ext folder.')
    }
  })
})

function directoryExists (dir, cb) {
  fs.stat(dir, function (err) {
    if (err && (err.errno === 34 || err.errno === -2)) {
      cb(null, false)
    } else if (err) {
      cb(err)
    } else {
      cb(null, true)
    }
  })
}