const fs = require('fs'); const multer = require('multer'); if (!fs.existsSync('data/uploads')) { fs.mkdirSync('data/uploads', { recursive: true }); } const storage = multer.diskStorage({ destination: (req, file, cb) => { cb(null, './data/uploads'); }, filename: (req, file, cb) => { cb(null, Date.now() + '--' + file.originalname); } }) const supportedTypes = ['jpg', 'jpeg', 'png']; const fileFilter = (req, file, cb) => { if (supportedTypes.includes(file.mimetype.split('/')[1])) { cb(null, true); } else { cb(null, false); } } const upload = multer({ storage, fileFilter }); module.exports = upload.single('icon');