Support Promise

[Simon Thiboutôt]

[Chris McGrane]

var getAlbumInfo = util.promisify(bandcamp.getAlbumInfo);

async function getCollection(albums, res){
  var ps = albums.map(album => getAlbumInfo(album));
  return Promise.all(ps).then(collection => res.json(collection));
}

[Simon Thiboutôt]

@notchris Thanks I didn't know about the util.promisify function of the Standard Lib.
I'll use it! 😀