Create Super User Node.js MongoDB

createsuperuser.js

const readline = require('readline');
const mongoose = require('mongoose');
const usermodel = require('../models/users.model');
const bcrypt = require('bcrypt');

const database =  process.env.MONGODB_URI || "mongodb://localhost:27017/<inputlocaldb>";

mongoose.connect(database, {
  useCreateIndex: true,
  useNewUrlParser: true,
  useUnifiedTopology: true,
  useFindAndModify: false
});

mongoose.connection.on("connected", () => {
  console.log(`Connected to the database ${database}`);
  runCreateSuperUser();
});

mongoose.connection.on("error", (err) => {
  console.log(err);
  throw new Error('CANNOT CONNECT TO DATABASE ERROR');
});

const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

const runCreateSuperUser = () => {
  rl.question('Email Address:  ',  (email) => {
    rl.question('Password:  ', async (password) => {

      const salt = await bcrypt.genSalt(10);
      const hash = await bcrypt.hash(password, salt);

      const user = await usermodel.create({
        email,
        password: hash,
      });

      if (user) {
        console.log('Created succesfully!');
      } else {
        console.log('Unable to created user!');
      }
      
      rl.close(); 
    })
  })
}