I like using Typescript in general, but sometimes it becomes painfully obvious that it's Javascript with type checking added to it at a later time. So I actually kind of which there was a language I could use instead which is typed from the ground up and requires less boilerplate, no painful syntax and provides more extensive type checking. But of course the major downside would be that it becomes hard to mix that with plain Javascript.. Also due to its popularity I think this is the least of all evils.