Promisifyed Web Request

Example.js

HTTPRequest(
  "GET",
  "https://edroid.tk/projects/serverstatus/info.php",
  null,
  {responseType: "json"}
).then(({data}) => console.log(data));

HTTPRequest.js

/**
 * HTTPRequest
 * easy way to make http requests and with promises
 *
 * @author eDroid
 */
function HTTPRequest(method, url, data = null, request = {}){
  if(!method && !url){
    throw new Error("Must provide method and url!");
  }
  return new Promise((resolve, reject) => {
    let req = Object.assign(new XMLHttpRequest(), request);
    req.onreadystatechange = () => {
      if(req.readyState === 4) resolve({
        request: req,
        data: req.response,
        statusCode: req.status
      });
    };
    req.onerror = e => reject(e);
    req.open(method, url, true);
    req.send(data);
  });
}