Not "missing" at all. Stuff like this has been available for a decade, both as library and as compile-time optimization (which is arguably better) One such exa

Not "missing" at all. Stuff like this has been available for a decade, both as library and as compile-time optimization (which is arguably better) One such example: https://github.com/developit/workerize-loader https://github.com/developit/workerize-loader