javascript native request utility

request.js

// For more documentations refer to https://github.github.io/fetch/
import 'whatwg-fetch';

/**
 * Parses the JSON returned by a network request
 *
 * @param  {object} response A response from a network request
 *
 * @return {object}          The parsed JSON from the request
 */
export function parseJSON(response) {
  return response.text().then(text => (text ? JSON.parse(text) : {}));
}

/**
 * Checks if a network request came back fine, and throws an error if not
 *
 * @param  {object} response   A response from a network request
 *
 * @return {object|undefined} Returns either the response, or throws an error
 */
export function checkStatus(response) {
  if (response.status >= 200 && response.status < 300) {
    return response;
  }

  const error = new Error(response.statusText);
  error.response = response;
  throw error;
}

/**
 * Requests a URL, returning a promise
 *
 * @param  {string} url       The URL we want to request
 * @param  {object} [options] The options we want to pass to "fetch"
 *
 * @return {object}           An object containing either "data" or "err"
 */
export default function(url, options) {
  return fetch(url, options)
    .then(checkStatus)
    .then(parseJSON);
  // .then((data) => ({data}))
  // .catch((err) => ({err}));
}

/*
import request from '.../request

request(URL, {headers: {
          'Accept': 'application/json',
          'Content-Type': 'application/json'
        }
        })
        .then(resp=> {
        })

 */