$ sudo npm install through2-spy
$ sudo npm install -g through2-spy

If want to update the through2-spy package execute the command as below,

$ sudo npm update through2-spy

Update package globally,

$ npm install -g through2-spy

Git clone:

$ sudo  git clone https://github.com/rektide/through2-spy.git

$ sudo  npm install -g ./through2-spy

through2-spy@2.0.0 /usr/lib/node_modules/through2-spy

How to remove through2-spy package :

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

$ sudo npm uninstall through2-spy

Basic Information of through2-spy NPM Package: