request.js

import 'isomorphic-fetch'

function handleData(response) {
  return new Promise((resolve, reject) => {
    console.log(response)

    const status = response.status

    return response.json().then(data => {
      const result = {
        ...data,
        status
      }
      if (status >= 200 && status < 300) {
        return resolve(result)
      }
      return reject(result)
    })
  })
}

export default function request(url, options) {
  return fetch(url, options)
    .then(handleData)
    .then(data => data)
}