Simple function for getting last.fm user status using native fetch function.

script.js

async function getSongInfo(user) {
  const url = `https://ws.audioscrobbler.com/2.0/?method=user.getRecentTracks&user=${user}&api_key=${API_KEY}&limit=1&format=json`;
  const response = await fetch(url);
  const json = await response.json();
  const track = json.recenttracks.track[0];
  return { user: json.recenttracks["@attr"].user, artist: track.artist["#text"], name: track.name, image: track.image[track.image.length - 1]["#text"], playing: ((typeof (track["@attr"]) != "undefined") ? true : false) };
}


// example response: 
// {"user":"I0l","artist":"STEREO DIVE FOUNDATION","name":"KATAWARA","image":"https://lastfm.freetls.fastly.net/i/u/300x300/0dc7eab8cf74c799c679eddf3183c5d1.jpg","playing":true}