const multer = require('multer');

const express = require('express').Router();

​

​

/**create a folder called uploads*/

/**set up storage*/

const storage = multer.diskStorage({

  destination: (req,file,callback) => {

    callback(null, 'uploads/profileImage');

  },

  filename: (req,file,callback) => {

    const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1e9);

    callback(null, file.fieldname + '-' + 'image-' + uniqueSuffix);

  },

});

​

const fileFilter = (req,file,callback) => {

  const supportedFiles = ['image/jpeg', 'image/png'];

  if (supportedFiles.includes(file.mimetype)) {

    return callback(null, true);

  } else {

    //reject file

    return callback('Unsupported file format', false);

  }

};

​

const upload = multer({

  storage: storage,

  limits: { fileSize: 1000000 },

  fileFilter: fileFilter,

});

​

​

router.post('/upload-image', upload.single('thumbnail'), (req, res, next)=>{

  console.log(req.file);

    /**do something*/

});

​

router.post('/upload-images', upload.array('thumbnail'), (req, res, next)=>{

  console.log(req.files);

    /**do something*/

});

​