$ sudo npm install babel-plugin-relay
$ sudo npm install -g babel-plugin-relay

If want to update the babel-plugin-relay package execute the command as below,

$ sudo npm update babel-plugin-relay

Update package globally,

$ npm install -g babel-plugin-relay

Git clone:

$ sudo  git clone https://github.com/rektide/babel-plugin-relay.git

$ sudo  npm install -g ./babel-plugin-relay

babel-plugin-relay@1.4.1 /usr/lib/node_modules/babel-plugin-relay

How to remove babel-plugin-relay package :

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

$ sudo npm uninstall babel-plugin-relay

Basic Information of babel-plugin-relay NPM Package: