I tried to like TypeScript a bit more than a year ago but couldn't, maybe I should give it another chance. I mostly do my frontend development in Vue.js so even though it supports TypeScript, I never found any need for it (I use typed Props to pass data between the components) as I try to make my UI as thin as possible, just fetching some data from the backend and displaying it. You can have a look at my project- https://webhookrelay.com (management UI is under my.webhookrelay.com), so far made it quite simple, material UI and only a little bit of JS.

Obviously coming from Go to frontend I think I would benefit a lot from TypeScript.. Maybe one day :)