upload file to disk storage via multer

uploadFileToDiskStorage.js

const storage = multer.diskStorage({
    destination: function (req, file, cb) {
        cb(null, "uploads/");
    },
    filename: function (req, file, cb) {
        const uniqueSuffix = Date.now() + "-" + Math.round(Math.random() * 1e9);
        req.body.image = uniqueSuffix + path.extname(file.originalname);
        cb(null, uniqueSuffix + path.extname(file.originalname));
    },
});

exports.uploadFile = function (req, res, next) {
    var upload = multer({
        storage: storage,
        fileFilter: (req, file, cb) => {
            if (file.mimetype == "image/png" || file.mimetype == "image/jpg" || file.mimetype == "image/jpeg") {
                console.log(file.mimetype)
                cb(null, true);
            } else {
                cb(new Error("Invalid image file"), false);
            }
        },
    }).single("image");
    upload(req, res, function (err) {
        if (err) {
            return res.json(ApiResponse({}, err.message ? err.message : "Error while processing image", false));
        }
        next();
    });
};