[Solved] MongoParseError: options useCreateIndex, useFindAndModify are not supported

Problem:

MongoParseError: options useCreateIndex, useFindAndModify are not supported

I got this error after running this code - 

const URI = process.env.MONGODB_URL;

mongoose.connect(URI, {
   useCreatendex: true, 
   useFindAndModify: false, 
   useNewUrlParser: true, 
   useUnifiedTopology: true 
}, err => {
   if(err) throw err;
   console.log('Test connection')
})

Solution:

On Mongoose 6.0 useNewUrlParser, useUnifiedTopology, useFindAndModify, and useCreateIndex are always true and .useFindAndModify is false. No need to use on your code. You can write code like this - 

const mongoose = require('mongoose');
var url = "mongodb+srv://username:@cluster0.accdl.mongodb.net/website? 
retryWrites=true&w=majority";
mongoose.connect(url, function(err, db) {
    if (err) throw err;
        console.log("Database created!");
        db.close();
});

Thank you for reading the article. Hope this will solve the problem. If not, please write your comment below.