seeding data in mongo db client

seed_db.js

require('dotenv').config();
const MongoClient = require('mongodb').MongoClient;
const bcrypt = require('bcrypt');

const users = require('./users');

function seedCollection(collectionName, initialRecords){
  MongoClient.connect(process.env.DB_CONN, (err, db) => {
    
    console.log("connected to mongo db");
    
    const collection = db.collection(collectionName);
    
    collection.remove();
    
    initialRecords.forEach(item => {
      
      if(item.password){
        
        item.password = bcrypt.hashSync(item.password, 10);
        
      }
      
    });

    collection.insertMany(initialRecords, (err, records) => {
      
      console.log(`${records.insertedCount} records inserted.`);
      
      console.log('closing connection');
      
      db.close();
      
      console.log('done');
      
    });
    
  });
  
}

seedCollection('users', users); // 'users' will be the name of collection in mlab