title: How to check if a database exists with CouchDB Nano
body: <p>I need to check if a given database exists before querying it. I've looked at <a href="https://stackoverflow.com/questions/35465360/python-couchdb-how-to-check-if-database-already-exists">this question</a>, but I cannot replicate on Node.js using CouchDB Nano.</p>
  
  <p>Does anyone know how to check it using the Nano library?</p>