I typically create a map when translating my enum to an API value. And another map when translating from API value to an enum. Each map would basically have a single responsibility. This all makes sense as serialization and de-serialization are different responsibilities. So you'd have a map for each.

Anıl Anar This is no longer an issue with the latest version of Typescript. It's been addressed.

In this article, I'm advocating to use enums in a way that makes the discussion of numeric vs string enums no longer relevant. If you use your enums symbolically, then you will never have issues

You'd be surprised to see the messages I'm responding to on other platforms