gistfile1.txt

const once = require('once')
const fork = require('child_process').fork

class npm {
  static run(cmd = [], opts = {}, cb) {
    cb = once(cb)

    console.log('run npm with', cmd, opts)

    var stdout = ''
    var stderr = ''
    var child = fork('./node_modules/.bin/npm', ['install','deco-ride-share-demo','--save'], opts)

    if (child.stderr) {
      child.stderr.on('data', function (chunk) {
        stderr += chunk
      })
    }

    if (child.stdout) {
      child.stdout.on('data', function (chunk) {
        stdout += chunk
      })
    }

    child.on('error', cb)
    child.on('close', function (code) {
      cb(null, code, stdout, stderr)
    })

    return child
  }
}

// npm.run(['install', `${name}@${version}`, '—save'], {cwd: path}, (err) => {
//
// })

export default npm