If build time is an issue (not sure if it is or not), you can have `tsc --watch` running for the `.ts -> .js`, then also have a separate watcher for `.js` and `

If build time is an issue (not sure if it is or not), you can have `tsc --watch` running for the `.ts -> .js`, then also have a separate watcher for `.js` and `.css` changes that builds your final bundle.