GitHub - jutaz/node-depscan: This finds unused deppendencies.

This finds unused dependencies in your node project.

Installation

npm install -g depscan

go to target dir and run depscan or do depscan ../source.js
You can also scan multiple entry points by doing depscan ../source1.js ../source2.js

Output looks like this:

These dependencies are not used:

imap
mailparser
mail-listener2
mailstrip

These dependencies are missing in package.json:

msgpack
policyfile

var depscan = require('depscan');
var scan = depscan('./index.js', __dirname);

var report = scan.report();
console.log(report);

report is an object like this:

{
  unused: ['foo'],
  missing: ['bar','baz']
}