const Felid = require('felid')
const multiparty = require('felid-multiparty')

const app = new Felid()
app.plugin(multiparty, options)

app.post('/upload', async (req, res) => {
  const { files } = await req.upload()
  // Supposed you uploaded the file as in a field named 'file'
  const file = files.file[0]
  res.send({
    originalFilename: file.originalFilename,
    path: file.path
  })
})

{
  upload: 'upload'
}