That&#x27;s likely out of scope for node.js. I&#x27;d recommend checking out leveldb: <a href="https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;level" rel="nofollow">https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;level</a>