$ sudo npm install postcss-discard-comments
$ sudo npm install -g postcss-discard-comments

If want to update the postcss-discard-comments package execute the command as below,

$ sudo npm update postcss-discard-comments

Update package globally,

$ npm install -g postcss-discard-comments

Git clone:

$ sudo  git clone https://github.com/rektide/postcss-discard-comments.git

$ sudo  npm install -g ./postcss-discard-comments

postcss-discard-comments@2.0.4 /usr/lib/node_modules/postcss-discard-comments

How to remove postcss-discard-comments package :

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

$ sudo npm uninstall postcss-discard-comments

Basic Information of postcss-discard-comments NPM Package: