Typescript has many shortcomings. About every language does. But it’s an undeniable very strong benefit that you can code the front and backend with it easily. It runs everywhere. It’s reasonably fast, for aws lambdas I found it had really good cold start time. I suspect because node is built on V8 which is highly optimized to get code running asap.
That accessibility and versatility makes it in my opinion the best general purpose language right now.