$ sudo npm install pixelmatch
$ sudo npm install -g pixelmatch

If want to update the pixelmatch package execute the command as below,

$ sudo npm update pixelmatch

Update package globally,

$ npm install -g pixelmatch

Git clone:

$ sudo  git clone https://github.com/rektide/pixelmatch.git

$ sudo  npm install -g ./pixelmatch

pixelmatch@4.0.2 /usr/lib/node_modules/pixelmatch

How to remove pixelmatch package :

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

$ sudo npm uninstall pixelmatch

Basic Information of pixelmatch NPM Package: