$ sudo npm install gulp-if
$ sudo npm install -g gulp-if

If want to update the gulp-if package execute the command as below,

$ sudo npm update gulp-if

Update package globally,

$ npm install -g gulp-if

Git clone:

$ sudo  git clone https://github.com/rektide/gulp-if.git

$ sudo  npm install -g ./gulp-if

gulp-if@2.0.2 /usr/lib/node_modules/gulp-if

How to remove gulp-if package :

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

$ sudo npm uninstall gulp-if

Basic Information of gulp-if NPM Package: