https://github.com/scriby/asyncblock https://github.com/scriby/asyncblock I'll just leave this here. It's been my pet project for the last couple years, and is

https://github.com/scriby/asyncblock https://github.com/scriby/asyncblock I'll just leave this here. It's been my pet project for the last couple years, and is a fully featured version of this concept. There's also https://github.com/0ctave/node-sync https://github.com/0ctave/node-sync, which is the same concept.