Yeah I caught myself almost doing something similar when I wanted to implement some internal tools with a React webapp and a backend server that I was going to

Yeah I caught myself almost doing something similar when I wanted to implement some internal tools with a React webapp and a backend server that I was going to write in Go because I wanted to learn Go and it seemed like it would have better performance, yada yada. Then I came to the (obvious) realisation that the other guys have predominantly experience in JS/TS so it would be kind of irresponsible of me to force anyone else who wants to contribute to this now or in the future to have to do it in a new language, rather than the one that we use in our main project. Ended up going with Typescript and I think it was definitely the right choice. For production code you just gotta go with what A) works. B) the rest of the team is familiar with (or has a reasonable chance of learning enough to read/contribute)