@architect/deploy/src/sam/utils/spawn.js

Deploys @architect projects

let child = require('child_process')

// spawn helper
module.exports = function spawn (command, args, pretty, callback) {
  let pkg = child.spawn(command, args, { shell: true })
  pretty.spawn(command, args)
  let output = []
  pkg.stdout.on('data', data => {
    output.push(data)
    pretty.stdout(data)
  })
  pkg.stderr.on('data', data => {
    output.push(data)
    pretty.stderr(data)
  })
  pkg.on('close', (code) => {
    output = output.join('')
    let noChanges = output.includes('No changes to deploy.')
    if (code === 255 && noChanges) {
      callback()
    }
    else if (code !== 0) {
      callback(Error(output))
    }
    else callback()
  })
  pkg.on('error', callback)
}