Trackmania fetch difficulty

difficulty.js

/*
>> node difficulty.js qDkVXW6pEqrwH0WP86jilQW4uZ8
{ rankAT: 629, rankGold: 4332, rankSilver: 7256, rankBronze: 8158 }

>> node difficulty.js qDkVXW6pEqrwH0WP86jilQW4uZ8
$i$o$s$c30Vashj'ir { rankAT: 629, rankGold: 4332, rankSilver: 7256, rankBronze: 8158 }

>> node difficulty.js 5yg9Ga2Kh11Ow2b4E9f4_viMo_h
$o$s$n$fffT$0ffhe $fffB$0ffank $fffR$0ffobbery { rankAT: 423, rankGold: 5425, rankSilver: 7641, rankBronze: 8913 }

>> node difficulty.js xUxShKB4PKec7pICAsQfj3Gn33k
#zoomies { rankAT: 1175, rankGold: 6860, rankSilver: 8233, rankBronze: 8843 }

>> node difficulty.js ogZoUILPyiBb7xknMQJVnSaKBa
Perfecto Bonko Mapo { rankAT: 5495, rankGold: 5694, rankSilver: 5940, rankBronze: 6326 }
*/

const fetch = require('node-fetch');

async function fetchJSON(url) {
  const response = await fetch(url);
  const json = await response.json();
  return json;
}

async function fetchRankFromTime(trackID, time) {
  const json = await fetchJSON(
    'https://trackmania.io/api/leaderboard/map/' + trackID + '?from=' + time
  );
  return json.tops[0].position;
}

async function fetchRanks(trackID) {
  try {
    const map = await fetchJSON('https://trackmania.io/api/map/' + trackID);
    const [rankAT, rankGold, rankSilver, rankBronze] = await Promise.all([
      fetchRankFromTime(trackID, map.authorScore),
      fetchRankFromTime(trackID, map.goldScore),
      fetchRankFromTime(trackID, map.silverScore),
      fetchRankFromTime(trackID, map.bronzeScore),
    ]);
    console.log(map.name, {rankAT, rankGold, rankSilver, rankBronze});
  } catch (e) {
    console.error(e)
  }
}

fetchRanks(process.argv[2] || 'qDkVXW6pEqrwH0WP86jilQW4uZ8').then();