$ sudo npm install required-keys
$ sudo npm install -g required-keys

If want to update the required-keys package execute the command as below,

$ sudo npm update required-keys

Update package globally,

$ npm install -g required-keys

Git clone:

$ sudo  git clone https://github.com/rektide/required-keys.git

$ sudo  npm install -g ./required-keys

required-keys@1.0.5 /usr/lib/node_modules/required-keys

How to remove required-keys package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall required-keys

Basic Information of required-keys NPM Package: