crating seperate file for db Connection

UsedbConnFile.js

@@ -0,0 +1,22 @@
+const dbConnect = require('./dbConnFile');
+
+//handling the returned promise using promise
+
+dbConnect().then((res) => {
+    res.find().toArray().then((data) => {
+        console.log(data);
+    });
+});
+
+
+
+//handling the returned promise using async-await
+
+// const main = async () => {
+//     let data = await dbConnect();
+//     data = await data.find().toArray();
+//     console.log(data);
+// }
+// main();
+
+console.log('********#############*********');

dbConnFile.js

@@ -0,0 +1,14 @@
+const {MongoClient} = require('mongodb');
+const url = 'mongodb://localhost:27017';
+const database  = 'e-comm';
+const Client = new MongoClient(url);
+
+
+//connecting to database
+async function dbConnect(){
+    let result = await Client.connect();
+    let db = result.db(database);
+    return db.collection('products');
+}
+
+module.exports = dbConnect;