How to install an npm package from GitHub directly?

Question

Trying to install modules from github results in:

ENOENT error on package.json.

Easily reproduced using express:

Answer 1

I tried npm install git+https://github.com/visionmedia/express but that took way too long and I wasn't sure that would work.

What did work for me was - yarn add git+https://github.com/visionmedia/express.