There's tooling for that: https://github.com/simlrh/dead-css-loader https://github.com/simlrh/dead-css-loader CSS modules are about 95% of the way to making th

There's tooling for that: https://github.com/simlrh/dead-css-loader https://github.com/simlrh/dead-css-loader CSS modules are about 95% of the way to making this a solved problem. Obviously this relies on imported components implementing CSS modules, but for a greenfield project this kind of thing works remarkably well.