Error not received in callback

[neer14]

Hi,
I am not able to handle errors for multiple files .fields([{ name: 'files', maxCount: 10 }]) in multer

  limits: {
    fileSize: process.env.MAX_FILE_SIZE
  },
  fileFilter: (req, file, cb) => {
    if (this.validateExt(file.originalname)
    ) {
      req.filesArr.push(file);
      return cb(null, true);
    }
    return cb({ code: 'WRONG_FILE_MIMETYPE' });
  },
  storage: multerGoogleStorage.storageEngine({
    keyFilename:  '../gcp-keys.json',
    filename: (req, file, cb) => {
      const fileExt = file.originalname.match(/\.[a-z]+$/);
      const newFileName = `${file.originalname.split('.')[0].slice(0, 15)}_${Date.now()}${
        fileExt ? fileExt[0] : ''
      }`;
      return cb(null, `upload/${newFileName.replace(/ /g, '_')}`);
    }
  })
});
const processUpload = upload.fields([{ name: 'files', maxCount: 10 }]);
          processUpload(req, res, err => {
--------> error is received here if GCS credentials are false,but if GCS credentials are true then error is not received.
            if (err) {
              return reject(err);
            }
            return resolve(req.files);
          });

[dominathan]

👍 Upvoting this solution because I had to do this in my fork a well. Otherwise limits.fileSize does not produce an error.