Worth noting that the same author created a fairly popular library for JS styles: https://github.com/casesandberg/reactcss https://github.com/casesandberg/react

Worth noting that the same author created a fairly popular library for JS styles: https://github.com/casesandberg/reactcss https://github.com/casesandberg/reactcss It's more about getting locally-scoped, composable CSS than performance. It's similar in concept to CSS Modules.