$ sudo npm install sinon-chai
$ sudo npm install -g sinon-chai

If want to update the sinon-chai package execute the command as below,

$ sudo npm update sinon-chai

Update package globally,

$ npm install -g sinon-chai

Git clone:

$ sudo  git clone https://github.com/rektide/sinon-chai.git

$ sudo  npm install -g ./sinon-chai

sinon-chai@2.14.0 /usr/lib/node_modules/sinon-chai

How to remove sinon-chai package :

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

$ sudo npm uninstall sinon-chai

Basic Information of sinon-chai NPM Package: