The typescript fever smells like most of the other herd stampedes over the past several years. Check out this talk from a few years ago by Eric Elliot "Static T

The typescript fever smells like most of the other herd stampedes over the past several years. Check out this talk from a few years ago by Eric Elliot "Static Types are Overrated". He goes over how types don't mean fewer bugs, and if you're getting a lot of type-related problems it's probably got more to do with your testing hygiene. He also just wrote a summary of 2+ years using TypeScript and why it turned out to be more of a liability than a benefit.