Function to encode md5

index.js

var md5 = require('md5'); 

exports.md5en = (req, res) => {
  res.status(200).json({"hash":md5(req.query.message)});
};

PACKAGE.JSON

{
  "name": "encode-md5",
  "version": "0.0.1",
  "dependencies": {
     "md5": "^2.3.0"
   }
}