I wrote this after I found a nice little way to get TypeScript libraries over npm:

In this article: I will show you a seamless workflow to share your Typescript library over npm. I will teach you time-saving techniques to avoid writing TypeScript definition files. Definition files give your users the benefits of IntelliSense.

Also, I will inspire you to use Vanilla TypeScript. This keeps your library lightweight and cross framework compatible

Full story here:

https://medium.com/@quantumjs/combining-webpack-and-typescript-to-publish-component-libraries-over-npm-d22c3201ab22#.pdq5lcq19