uppy/examples/node-xhr/server.js

#!/usr/bin/env node

/* eslint-disable no-console */

import http from 'node:http'
import { fileURLToPath } from 'node:url'
import { mkdir } from 'node:fs/promises'

import formidable from 'formidable'

const UPLOAD_DIR = new URL('./uploads/', import.meta.url)

await mkdir(UPLOAD_DIR, { recursive: true })

http.createServer((req, res) => {
  const headers = {
    'Content-Type': 'application/json',
    'Access-Control-Allow-Origin': '*',
    'Access-Control-Allow-Methods': 'OPTIONS, POST, GET',
    'Access-Control-Max-Age': 2592000, // 30 days
    /** add other headers as per requirement */
  }

  if (req.method === 'OPTIONS') {
    res.writeHead(204, headers)
    res.end()
    return
  }
  if (req.url === '/upload' && req.method.toLowerCase() === 'post') {
    // parse a file upload
    const form = formidable({
      keepExtensions: true,
      uploadDir: fileURLToPath(UPLOAD_DIR),
    })

    form.parse(req, (err, fields, files) => {
      if (err) {
        console.log('some error', err)
        res.writeHead(200, headers)
        res.write(JSON.stringify(err))
        return res.end()
      }
      const { file:[{ filepath, originalFilename, mimetype, size }] } = files
      console.log('saved file', { filepath, originalFilename, mimetype, size })
      res.writeHead(200, headers)
      res.write(JSON.stringify({ fields, files }))
      return res.end()
    })
  }
}).listen(3020, () => {
  console.log('server started')
})