How to setup VS code debugger for typescript files and unit test files?
https://medium.com/@dupski/debug-typescript-in-vs-code-without-compiling-using-ts-node-9d1f4f9a94a
Typescript webpack setup example
https://github.com/adrianhall/example-typescript-webpack
http://marcobotto.com/compiling-and-bundling-typescript-libraries-with-webpack/