res.json 不是函数 - nodejs

Question

I've got this error using res.json to get the return of my function and this is code is been used em anothers places as wrote below, running fine.

async function getPlaylist(req, res, playlistId) {

  try {

    // const calltoken = await getToken()

    // const token = calltoken.data.access_token

    // console.log(token)

    const config = {
      headers: {
        'Authorization': 'Bearer ' + 'BQA0K9bKgBVn8xTp-yTsoaKs5VfS7EyjMIL03OEOy05wq08ZmLkNfqbbnsL_hFT1AV2FGN5tAQdeDV1X224', //token,
        'Content-Type': 'application/json',
        'Accept': 'application/json'
      }
    }

    const url = 'https://api.spotify.com/v1/playlists/1j2L3DjzZ3SdN64r83Sblj?si=cuvOrPONSO6caE9XD6smEg'

    await axios.get(url, config)
      .then(function (response) {

        var playlist = response

        var items = playlist.data.tracks.items

        // console.log(items)

        const playlistfull = []

        items.forEach(index => {

          var playlistdata = {
            name: index.track.name,
            artists: index.track.album.artists[0].name,
            album: index.track.album.name,
            url: index.track.external_urls.spotify
          }

          playlistfull.push(playlistdata)

        })

        return res.json(playlistfull)

      })

  } catch (error) {

    return console.log(error)

  }
}

Answer 1

You have to use in NodeJS
Node's res give parameter to function

const router = express.Router();
router
    .route('/')
    .get((req, res) => {
        const playlistId = 'asdf';
        getPlaylist(req, res, playlistId);
        return;
    });