Try esbuild. I thought the following benchmarks must be fake until I tried it myself.
https://raw.githubusercontent.com/evanw/esbuild/master/image...
I really can’t believe that.
But I will try!
There has been some interesting tooling being written in Rust, swc[1] compiles very fast. Not quite production ready but getting there.
Any app that grows to a certain size will slow down to a crawl on incremental builds.