node_12_app

package.json

{
    "name": "node_12",
    "version": "1.0.0",
    "description": "",
    "main": "desk.js",
    "scripts": {
      "test": "echo \"Error: no test specified\" && exit 1",
      "start": "node server.js"
    },
    "author": "",
    "license": "ISC",
    "dependencies": {
      "mongodb": "^3.1.13"
    }
  }

server.js

const { MongoClient } = require('mongodb');
const uri = "";
const client = new MongoClient(uri);

client.connect((err) => {
  const collection = client.db("sample_supplies").collection("sales");
    console.log("err");

    collection.findOne({}).then((sale) => {
    console.log(sale);
    });

  client.close();
});