$ sudo npm install is-png
$ sudo npm install -g is-png

If want to update the is-png package execute the command as below,

$ sudo npm update is-png

Update package globally,

$ npm install -g is-png

Git clone:

$ sudo  git clone https://github.com/rektide/is-png.git

$ sudo  npm install -g ./is-png

is-png@1.1.0 /usr/lib/node_modules/is-png

How to remove is-png package :

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

$ sudo npm uninstall is-png

Basic Information of is-png NPM Package: