Adding TypeScript to NPM Packages

Adding TypeScript to 3rd party modules in 2019 is a breeze thanks to Babel and TypeScript.

I've been using TypeScript in my projects for the past month or so. After a two year hiatus, it finally seems right for me. Using it in an app is documented everywhere, but adding it into a package for NPM seems more scattered. Here's a real easy way to set this up with Babel 7.

Install TypeScript

npm install typescript --save-dev

Next, let's install the n…