Because AirBnB's ESLint config has been burned into my brain I almost only use arrow functions. I also use generics extremely often. It's definitely a little more clunky but I haven't run into anything you can do in TypeScript that you can't do in JSDoc.

JSDoc also allows you to type stuff in-line. For example I often have to type an empty array like so:

  const [books, setBooks] = useState(/** @type {Book[]} */([]));

If you have a tangible example of a problem you've run into, I'd love to walk through it.