Multi Part Form Data Upload

A full fledge node js module for parsing the multipart/form data.

Features

• Parse Multiple Files, and uploads them to desired location
• Parse Non File fields
• No need for extra plugin to parse text fields
• Parse & Return all fields exactly as they are on browser from
• Fast and can work with any framework

Installation

Install my-project with npm

  npm install multi-part-form-data-upload

Usage

// Express
const uploader = require('multi-part-form-data-upload')(options /* config options */ );
const app = express();

app.post('/uploads',uploader, (req, res) => {
  res.writeHead(200, { 'Content-Type': 'application/json' });
  res.end(JSON.stringify({ body: req.body }));
});

//  OR Http

const http = require('http');
const uploader = require('multi-part-form-data-upload')(options /* config options */ );

const server = http.createServer(async (req, res) => {
  if (req.url === '/uploads' && req.method.toLowerCase() === 'post') {
    await uploader(req, res, () => {
      res.writeHead(200, { 'Content-Type': 'application/json' });
      res.end(JSON.stringify({ body: req.body }));
    });
    return;
  }
}

Usage/Examples

Node.js Http Module

const moduleName = 'http';
const http = require('http');
const uploader = require('multi-part-form-data-upload');

const server = http.createServer(async (req, res) => {
  if (req.url === '/uploads' && req.method.toLowerCase() === 'post') {
    await uploader(/* configs */)(req, res, () => {
      res.writeHead(200, { 'Content-Type': 'application/json' });
      res.end(JSON.stringify({ body: req.body }));
    });
    return;
  }

  // Upload Form HTML
  res.writeHead(200, { 'Content-Type': 'text/html' });
  res.end(`
  <h1>MultiPartFormData with Node.js <code>"${moduleName}"</code> module</h1>

  <form action="/uploads" enctype="multipart/form-data" method="post">
    <div>Text field title: <input type="text" name="title" /></div>
    <div>MultipleFiles: <input type="file" name="multipleFiles" multiple="multiple" /></div>
    <div>File1: <input type="file" name="file1" /></div>
    <div>File2: <input type="file" name="file2"  /></div>
    <input type="submit" value="Upload" />
  </form>
  `);
});

server.listen(1111, () => {
  console.log('Server listening on http://localhost:1111/ ...');
});

Node.js Express.js Server as middleware

const moduleName = 'Express';
const express = require('express');
const uploader = require('multi-part-form-data-upload');

const app = express();
const port = 1111;

app.post('/uploads', uploader(/* configs */), (req, res) => {
  res.writeHead(200, { 'Content-Type': 'application/json' });
  res.end(JSON.stringify({ body: req.body }));
});

app.get('*', (req, res) => {
  res.send(`
  <h1>MultiPartFormData with Node.js <code>"${moduleName}"</code> module</h1>

  <form action="/uploads" enctype="multipart/form-data" method="post">
    <div>Text field title: <input type="text" name="title" /></div>
    <div>MultipleFiles: <input type="file" name="multipleFiles" multiple="multiple" /></div>
    <div>File1: <input type="file" name="file1" /></div>
    <div>File2: <input type="file" name="file2"  /></div>
    <input type="submit" value="Upload" />
  </form>
`);
});

app.listen(port, () => {
  console.log(`Server listening on http://localhost:${port}/ ...`);
});

API Reference

Options

Parameter	Type	Description
destination	string	destination folder path, default: temp folder
filename	function	function(file, cb){ return cb(err/null, filename)}
allowedExtensions	array	array of allowed extension types, default ['jpg', 'jpeg', 'png', 'gif', 'pdf', 'webp', 'doc']
maxSize	integer	max file size in bytes, default 10000000. (10MB)

Options.filename : args

const uploader = require('../src/index')(
    {
        filename:function(file, cb){
            return cb(err, filename)
        }
    }
 );

file:(object)

Property	Type	Description
filename	string	original file name
mimetype	string	file mimetype
size	number	size in bytes
encoding	string	file encoding used
destination	string	file upload folder
path	string	complete path to saved file

cb: callback function

Argument	Type	Description
err	`error	null`
filename	string	final filename for the file

Author: @hsk11

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