How to easily verify correct npm dependencies installed?

Question

How can I know when to prompt user to run npm install if there are any unmet package.json dependencies?

I would like to do this, because if any re

Answer 1

If you use github, or at least host your project.json on github, you can use: https://david-dm.org/

replace your username and repo.

https://david-dm.org/username/repo.svg

Then you can see something like https://david-dm.org/bower/bower to identify the out of date packages.