I think an argument could be made for writing code in a systems programming language like C or Rust to save energy, but I'd be much more interested to know what

I think an argument could be made for writing code in a systems programming language like C or Rust to save energy, but I'd be much more interested to know what the same choice would be for front-end development. Could we get something as flexible and expressive and ergonomic as React or Vue with the performance of WASM?