Nodejs Sharex Basic Upload Rest API

upload.js

const { nanoid } = require('nanoid'),
      express = require('express'),
      multer = require('multer'),
      fs = require('fs'),
      app = express()

const uploads = multer({ dest: 'static/' })

app
  .use(express.static('static'))
  .use(express.urlencoded({ extended: true }))
  .use(express.json());

app
  .post('/', uploads.single('file'), (req, res) => {
    let ext = (req.body && req.body['extension']) ? "." + req.body['extension'] : '.jpg',
        name = nanoid(8);

    try {
      fs.renameSync('static/' + req.file.filename, 'static/' + name + ext);
      res.json({ status: 'ok', url: "http://localhost:3000/" + name + ext });
    } catch (e) {
      res.json({ status: 'error', error: true, message: '' });
    };
  });

app
  .listen(3000, () => {
    console.log('Example app listening on port 3000!');
  });

/*

  SXCU Config:

  {
    "Version": "13.6.1",
    "DestinationType": "ImageUploader",
    "RequestMethod": "POST",
    "RequestURL": "http://localhost:3000",
    "Body": "MultipartFormData",
    "FileFormName": "file",
    "URL": "$json:url$"
  }
    
*/