I wrote https://www.vincentprouillet.com/blog/using-sass-modules-typ... and a commit example: https://github.com/Keats/webpack-react-typescript/commit/978...

I don't know of any full tutorials that cover both, but this is an ok rundown on how to use them in JS: https://css-tricks.com/css-modules-part-1-need/

This is the webpack loader that generates type def files: https://github.com/seek-oss/css-modules-typescript-loader