Spacer components + flexbox + components defined in JS/JSX is basically a copy of how TeX does things (single unified macro language, hspace/vspace, boxes and g

Spacer components + flexbox + components defined in JS/JSX is basically a copy of how TeX does things (single unified macro language, hspace/vspace, boxes and glue algorithm which is pretty much flexbox). Feels like we could have saved a lot of time if we'd considered at the outset that maybe Knuth, an actual genius who spent years on this problem, had some pretty good ideas?