GraphQL circular dependencies gql tag

track-gql.js

const TrackType = gql`
  type Track {
    albums: [Album!]
    artists: [Artist!]
    title: String!
  }
`

export default () => [AlbumType, ArtistType, TrackType]

track.js

const TrackType = new GraphQLObjectType({ 
  name: "Track", 
  fields: () => { 
    const AlbumType = require("./album").default 
    const ArtistType = require("./artist").default 
 
    return { 
      albums: { 
        description: "", 
        type: new GraphQLList(new GraphQLNonNull(AlbumType)) 
      }, 
      artists: { 
        description: "", 
        type: new GraphQLList(new GraphQLNonNull(ArtistType)) 
      }, 
      title: { 
        description: "", 
        type: new GraphQLNonNull(GraphQLString) 
      } 
    }
  }
})

export default TrackType