Working with promises inside an if/else

Question

I have a conditional statement in which I need to perform one of two operations, then continue after whichever operation has resolved. So my code currently looks as follows:

Answer 1

You can use async/await

async function fn() {
  let p, result;
  if (shoud_do_thing_a) {
    p = await do_thing_a()
  } else {
    p = await do_thing_b()
  }
  if (p) {
    result = more_code();
  }
  return result
}