var SpotifyWebApi = require('spotify-web-api-node');

var scopes = ['user-read-private', 'user-read-email'],
  redirectUri = 'https://localhost:8888',
  clientId = 'f74fb79f4c824d839dd644805a09461d',
  state = 'some-state-of-my-choice';

var spotifyApi = new SpotifyWebApi({
  clientId : 'f74fb79f4c824d839dd644805a09461d',
  clientSecret : 'xxxxx',
  redirectUri : 'https://localhost:888'
});

// Create the authorization URL
var authorizeURL = spotifyApi.createAuthorizeURL(scopes, state);
spotifyApi.setAccessToken(authorizeURL);

spotifyApi.getFollowedArtists({ limit : 10 })
.then(function(data) {
  // 'This user is following 1051 artists!'
  console.log('This user is following ', data.body.artists.total, ' artists!');
}, function(err) {
  console.log('Something went wrong!', err);
});