i'm using multer to upload images to an express server, by default multer creates autogenerated/randomized filenames (which is generally good), but in my particular situation i need the filenames to be the same as the original, i've tried the following:

const upload = multer({
  dest: `${__dirname}/path/to/folder`,
  filename: function (req, file, cb) { cb(null, file.originalname) }
})

but the images keep getting renamed to multer's randomized name. i've also tried the destination property instead of the dest ...but same issue.

i'm using multer to upload images to an express server, by default multer creates autogenerated/randomized filenames (which is generally good), but in my particular situation i need the filenames to be the same as the original, i've tried the following:

const upload = multer({
  dest: `${__dirname}/path/to/folder`,
  filename: function (req, file, cb) { cb(null, file.originalname) }
})

but the images keep getting renamed to multer's randomized name. i've also tried the destination property instead of the dest ...but same issue.

• javascript
• node.js
• express
• multer

• 1 Your code is correct, (see: github./expressjs/multer/issues/439#issuement-276255945) I think You're using different upload middleware in place where You want to implement it. Can You add to Your question route handler? – num8er Commented Mar 7, 2020 at 22:12
• multer.diskStorage( instead of multer( – hoangdv Commented Mar 8, 2020 at 11:23

1 Answer 1

Try following code.

var storage = multer.diskStorage({
    destination: function (req, file, callback) {
        callback(null, './assets/images');
    },
    filename: function (req, file, callback) {
        callback(null, file.originalname);
    }
});

var upload = multer({ storage: storage }).single('userPhoto');


app.post('/upload', async (req, res) => {
    upload(req, res, function (err) {
        if (err) {
            console.log(err)
        } else {
            var FileName = req.file.filename;
            res.status(200).send(FileName);
        }
    })
});