$ sudo npm install jest-diff
$ sudo npm install -g jest-diff

If want to update the jest-diff package execute the command as below,

$ sudo npm update jest-diff

Update package globally,

$ npm install -g jest-diff

Git clone:

$ sudo  git clone https://github.com/rektide/jest-diff.git

$ sudo  npm install -g ./jest-diff

jest-diff@21.2.1 /usr/lib/node_modules/jest-diff

How to remove jest-diff package :

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

$ sudo npm uninstall jest-diff

Basic Information of jest-diff NPM Package: