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So, are enums ok or not? (lemmy.ml)

submitted 1 year ago by [email protected] to c/typescript

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I have googled this and even got to the second page, and there does not seem to be any kind of consensus.

As far as I can tell, it's a bad idea because it creates code you don't see and accepts inputs that you wouldn't want. And yet, many people seem to like them more than, say, const unions due to being easier to refactor in bulk.

So what gives? Is this a case of IT people having very strong opinions on stuff that doesn't matter? Or is there a technical reason for or against it?

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[–] Statick 5 points 1 year ago* (last edited 1 year ago) (2 children)

At work, when I was helping with some frontend stuff, we used object literals.

const DIRECTIONS = {
  UP: "UP",
  DOWN: "DOWN"
} as const;

type DIRECTIONS = typeof DIRECTIONS[keyof typeof DIRECTIONS];

Taken from option 2 in this blog post. https://maxheiber.medium.com/alternatives-to-typescript-enums-50e4c16600b1`___`

[–] Fisherswamp 2 points 1 year ago

This is, in my opinion, the absolute best way to do it

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