`SpotifyQuery` Decorator ? about spotify-graphql HOT 3 CLOSED

function SpotifyQuery(query: string) {
    return function (target: any, propertyKey: string, descriptor: PropertyDescriptor) {       
        // save a reference to the original method this way we keep the values currently in the
        // descriptor and don't overwrite what another decorator might have done to the descriptor.
        if(descriptor === undefined) {
        descriptor = Object.getOwnPropertyDescriptor(target, key);
        }
        var originalMethod = descriptor.value;

        //editing the descriptor/value parameter
        descriptor.value = function () {
            return new Promise((resolve, reject) => {
                resolve(
                   SpotifyClient.query(query)
                );
            });
        };

        return descriptor;
    };
}

class A {
    @SpotifyQuery(`
    {
        me {
            tracks {
                name
            }
        }
    }
    `)
    public parse(record?): any {
        return record.name + 'ok';
    }
}

(new A).parse().then((output) => {console.log(output)})

@SpotifyQuery(`
  {
    artist(id: $artistId) {
      tracks {
        name
      }
    }
  }
`)
function execute(artistSongsList, name) {
   return artistSongsList.map( (song) => { song.name });
}

// ... 

execute( { artistId: 1 } ).then(/* ... */);