The React team (and other parts of Facebook) _was_ working on a project along those lines called "Prepack": https://prepack.io/ https://prepack.io/ I think wo

The React team (and other parts of Facebook) _was_ working on a project along those lines called "Prepack": https://prepack.io/ https://prepack.io/ I think work on that has slowed for the time being, but it's got some interesting possibilities.