$ sudo npm install filesaver.js
$ sudo npm install -g filesaver.js

If want to update the filesaver.js package execute the command as below,

$ sudo npm update filesaver.js

Update package globally,

$ npm install -g filesaver.js

Git clone:

$ sudo  git clone https://github.com/rektide/filesaver.js.git

$ sudo  npm install -g ./filesaver.js

filesaver.js@0.2.0 /usr/lib/node_modules/filesaver.js

How to remove filesaver.js package :

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

$ sudo npm uninstall filesaver.js

Basic Information of filesaver.js NPM Package: