Express Upload Middleware

A simple and flexible Express middleware for handling file uploads using Multer.

Installation

npm install upload-express-middleware
# or
pnpm add upload-express-middleware
# or
yarn add upload-express-middleware

Usage

import express from 'express';
import { uploadMiddleware } from 'upload-express-middleware';

const app = express();

// Use the upload middleware with a specific folder
app.post('/upload', uploadMiddleware('uploads'), (req, res) => {
  if (!req.file) {
    return res.status(400).json({ error: 'No file uploaded' });
  }
  
  res.json({
    message: 'File uploaded successfully',
    filename: req.file.filename,
    path: req.file.path
  });
});

app.listen(3000, () => {
  console.log('Server running on port 3000');
});

Features

• Dynamic folder creation
• Unique filename generation
• File size limit (5MB by default)
• TypeScript support
• Configurable upload destinations

API

uploadMiddleware(folderName: string)

Creates a multer middleware for handling single file uploads.

Parameters:

• folderName (string): The name of the folder where files will be stored

Returns:

• Express middleware function

License

ISC