I disagree, for me it saves a lot of time by giving you more IDE tooling that you can lean on and less stuff you have to hold onto in your brain.
Once you're proficient in TS, adding type annotations really doesn't take much time, and it helps save time testing by letting the compiler "test" your code before it even runs.
Once you're proficient in TS, adding type annotations really doesn't take much time, and it helps save time testing by letting the compiler "test" your code before it even runs.