Node JS to LDAP

var ActiveDirectory = require('activedirectory');
var express = require(‘express’);
var router = express.Router();
var config = { // set config to connect to LDAP server
  url: 'ldap://ldap.bussan.co.id', //ldap URL
  baseDN: 'DC=bussan,DC=co,DC=id', //baseDN
  username: 'CN=eyasrvc,OU=Services,OU=Information Technology,OU=Headquarter,DC=bussan,DC=co,DC=id', //username in LDAP
  password: 'Bussan100' //ldap password
}

var ad = new ActiveDirectory(config);
router.get(‘/ldap’, (req, res, next) => {
    var nik = ‘0441380718’;
    adFindUser(nik, (result) => {
        res.send(result)
})
})

// Function Active Directory
function adFindUser(nik, callback) {
  let msg, status; //initial variable
  ad.findUser(nik, function (err, user) {

    if (err) {
      callback(err)  // if cause an error
      return;
    }

    if (!user) { // if NIK is nout found

      callback({
        status: 'gagal',
        msg: 'User: ' + nik + ' not found.'
      });
    } else {
    Console.log(user)  // success
      callback(user)
    }
  });
}