NodeJS & MongoDB ( export module connection mongodb, reuseable and clean code)

app.js

const DB = require("./src/configs/db");
const USERS_COLLECTION = DB.client.db("Tjackrabirawa").collection("users");

const READS_USERS = async () => {
  try {
    await DB.connectToDB();
    let arr = [];
    let result = USERS_COLLECTION.find();
    await result.forEach((element) => {
      arr.push(element);
    });

    console.log(arr);
  } catch (e) {
    console.log(e);
  }
};

const CREATES_USERS = async (payload) => {
  await DB.connectToDB();
  let result = await USERS_COLLECTION.insertOne(payload);
  console.log(result);
};

// CREATES_USERS({ data: "testing" });
// READS_USERS();

db.js

const { MongoClient, ServerApiVersion } = require("mongodb");

const url =
  "mongodb+srv://< url here >.jo8pywx.mongodb.net/?retryWrites=true&w=majority";

module.exports = {
  client: (client = new MongoClient(url, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
    serverApi: ServerApiVersion.v1,
  })),
  connectToDB: async () => {
    try {
      await client.connect();
      console.log("connected!");
    } catch (err) {
      console.log("Err", err);
    }
  },
};