Bug Report

The PlaylistManager.removeItems() method uses a deprecated format for the request.

What i expected:

The DELETE request to succeed and the track to be deleted.

What actually happened:

I get the error message
SpotifyAPIError: {"error":{"status":400,"message":"JSON body doesn't conform to specification"}}

Upon investigating I found that the call looks like this: 

      url: 'https://api.spotify.com/v1/playlists/16N...Unimd/tracks',
      method: 'delete',
      data: '{"uris":[{"uri":"spotify:track:2wwXXU...5"}]}' <--- WRONG SYNTAX HERE

Note the "uris" before the array of track objects.

The Spotify API docs describe the API as expecting this format:

"tracks": [ { "uri": "string" } ],
(Source)

Which causes the issue.

To reproduce this bug:

Create a client (here I do it with an existing refresh token):

import * as Spotify from "spotify-api.js"
    const client = await Spotify.Client.create({
        token: {
            clientID: SPOTIFY_CLIENT_ID,
            clientSecret: SPOTIFY_CLIENT_SECRET,
            refreshToken: refresh_token
        }
    });

Then use the removeItems method to make the DELETE request to the API:

await client.playlists.removeItems(playlist.spotify_uri, [`spotify:track:${song_uri}`])

• Library Version: 9.2.5

Anyway, thanks for your work! It’s made my life easier in the instances where it does work.