"Speeding up the JavaScript ecosystem - one library at a time" by Marvin Hagemeister https://marvinh.dev/blog/speeding-up-javascript-ecosystem/
I'll bet you could find a lot of little optimizations like these in common Node.js tools. I wonder how much of the speedup from various Rust/Go/etc replacements is just because nobody bothered to optimize the existing JS-based tools.
fuchsiaaaaaaaaaaaaaaaaa
