mongodb list collection

gistfile1.txt

import { MongoClient } from 'mongodb'; // eslint-disable-line import/no-extraneous-dependencies

const authSource = 'demo';
const url = `mongodb://${process.env.MONGO_USERNAME}:${process.env.MONGO_PASSWORD}@${process.env.MONGO_HOSTNAME}:${process.env.MONGO_PORT}/${authSource}?authSource=demo&authMechanism=SCRAM-SHA-1`;

MongoClient.connect(
  url,
  { useNewUrlParser: true, useUnifiedTopology: true },
  function(err, db) {
    if (err) throw err;
    const dbo = db.db('demo');
    dbo.collection('clients').findOne({}, function(err, result) {
      if (err) throw err;
      console.log(result.firstName); // eslint-disable-line no-console

      db.close();
    });
  }
);