How to install npm package while offline?

Question

I\'m working on an offline network and want to install angular-cli using npm. I have a zip file of angular-cli and using the latest node and npm version. I\'m using the comm

Answer 1

Jan 2016 - check out Addy Osmani's recommendations for offline installation of npm packages

May 2017 - as of npm 5, you can pass the --prefer-offline flag to npm install

yarn does this out of the box.