> I've once had a very nasty bug keeping me busy for days, where somewhere in a complex structure of multiple promises I somehow forgot to return a call to a re

> I've once had a very nasty bug keeping me busy for days, where somewhere in a complex structure of multiple promises I somehow forgot to return a call to a resolve. Promises allow, enable and encourage composition. If you use them correctly no single promise should ever be so large that this becomes a problem. That said, you can write spaghetti in any language and platform. If you're the kind to write 100+ line async functions, no framework or technique will help you keep your code tight and solid.