Obsidian user script for spotify API integration

spotify.js

const CLIENT_ID = '...';
const CLIENT_SECRET = '...';
 
const refreshToken = '...'

async function refreshAccessToken() {
  const tokenData = `${CLIENT_ID}:${CLIENT_SECRET}`;
  const base64token = btoa(tokenData);
 
  const data = new URLSearchParams();
  data.append('grant_type', 'refresh_token');
  data.append('refresh_token', refreshToken);
 
  try {
    const response = await fetch('https://accounts.spotify.com/api/token', {
      method: 'POST',
      headers: {
        'Authorization': `Basic ${base64token}`,
        'Content-Type': 'application/x-www-form-urlencoded',
      },
      body: data,
    });
 
    if (response.ok) {
      const { access_token } = await response.json();
      return access_token;
    } else {
      console.error('Error refreshing access token', response.status, await response.text());
      return null;
    }
  } catch (error) {
    console.error('Error refreshing access token', error);
    return null;
  }
}
 
async function getCurrentlyPlayingTrack(accessToken) {
  try {
    const response = await fetch('https://api.spotify.com/v1/me/player/currently-playing', {
      headers: {
        'Authorization': `Bearer ${accessToken}`,
      },
    });
 
    if (response.ok) {
      const currentlyPlayingTrack = await response.json();
      return currentlyPlayingTrack;
    } else {
      console.error('Error getting currently playing track', response.status, await response.text());
      return null;
    }
  } catch (error) {
    console.error('Error getting currently playing track', error);
    return null;
  }
}
 
async function spotify() {
  const accessToken = await refreshAccessToken();
  if (accessToken) {
    const currentlyPlayingTrack = await getCurrentlyPlayingTrack(accessToken);
 
    if (currentlyPlayingTrack) {
      const { is_playing, item } = currentlyPlayingTrack;
      const imageUrl = item.album.images[0].url;
      const artistName = item.artists[0].name;
      const externalUrl = item.external_urls.spotify;
      const trackName = item.name;
      const imgName = String(item.album.images[0].url);
      const imageName = imgName.split('/')[4] // get album image name
 
      const extractedData = {
        isPlaying: is_playing,
        imageURL: imageUrl,
        artistName: artistName,
        externalUrl: externalUrl,
        trackName: trackName,
        imageName: imageName
      };
 
      return extractedData;
    }
  }
}
 
module.exports = spotify;