lint-deps 
CLI tool that tells you when dependencies are missing from package.json and offers you a choice to install them. Also tells you when dependencies are listed in package.json but are not being used anywhere in your project. Node.js command line tool and API.
Please consider following this project's author, Jon Schlinkert, and consider starring the project to show your
Table of Contents
Install
Install with npm:
$ npm install --save lint-depsCLI
Usage: deps <command> [options]
Options:
--version Show version number [boolean]
--upgrade Update all deps to the latest version and clear out unused
deps.
--types, -t Specify the types of dependencies to lint
[default: ["dependencies","devDependencies"]]
--why Show a report that explains why the given module exists in your
library. Use npm ls to see where a module exists in your
dependency tree.
--deps, -d Add a glob pattern to package.json "lintDeps" config for
"dependencies" files
--dev, -e Add a glob pattern to package.json "lintDeps" config for
"devDependencies" files
--update, -u Add missing deps and update all existing deps to the latest
version.
--verbose, -v Enable verbose logging
--help, -h Show help [boolean]
API
const Deps = require('lint-deps');
const deps = new Deps();About
Contributing
Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Please read the contributing guide for advice on opening issues, pull requests, and coding standards.
Running Tests
Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
$ npm install && npm testBuilding docs
(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)
To generate the readme, run the following command:
$ npm install -g verbose/verb#dev verb-generate-readme && verbAuthor
Jon Schlinkert
License
Copyright © 2018, Jon Schlinkert. Released under the MIT License.
This file was generated by verb-generate-readme, v0.8.0, on November 20, 2018.