It's easy to hate typescript if you're trying to write it as javascript with types bolted on. All you'll see is restrictions and arcane complexity which exists

It's easy to hate typescript if you're trying to write it as javascript with types bolted on. All you'll see is restrictions and arcane complexity which exists solely to assuage the compiler. If you instead write types first and go from there, the value becomes evident really fast - and you avoid writing untypeable code which likely would've grown into a difficult to reason about api.