order of promise

expressjs_fetchurl.js

function get(url) {
  return new Promise((resolve, reject) => {
    fetch(url)
      .then(res => res.json())
      .then(data => resolve(data))
      .catch(err => reject(err));
  });
}

#example
app.use("/reports", (req, res) => {
  const type = req.query.type;
  let timestamp;
  if (req.query.timestamp) {
    timestamp = req.query.timestamp;
  } else {
    timestamp = utils.getMostRecentTimestamp(type);
  }
  Promise.all([
    get(
      `http://localhost:5001/report?type=${type}&page=hp&timestamp=${timestamp}`
    ),
    get(
      `http://localhost:5001/report?type=${type}&page=srp&timestamp=${timestamp}`
    ),
    get(
      `http://localhost:5001/report?type=${type}&page=ldp&timestamp=${timestamp}`
    )
  ])
    .then(([hp, srp, ldp]) =>
      res.json({
        hp: hp,
        srp: srp,
        ldp: ldp
      })
    )
    .catch(err => res.send(err));
});