$ sudo npm install protagonist
$ sudo npm install -g protagonist

If want to update the protagonist package execute the command as below,

$ sudo npm update protagonist

Update package globally,

$ npm install -g protagonist

Git clone:

$ sudo  git clone https://github.com/rektide/protagonist.git

$ sudo  npm install -g ./protagonist

protagonist@2.0.0-pre.0 /usr/lib/node_modules/protagonist

How to remove protagonist package :

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

$ sudo npm uninstall protagonist

Basic Information of protagonist NPM Package: