Getting a value out of a promise

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1

I’m currently building my auth system (yes, from the other post), but I got chained in a Promise.t mess (kinda normal for javascript).

Right now I have this:

fetch(...)
->Promise.then(Response.json)
->Promise.thenResolve(json => {
  let val = JSON.Decode.object(json)->Option.getOrThrow
  // let user = User.fromJson(val)

  Console.log(val)
  // TODO: I should set the state to AuthenticatedWithData(user)
})

But I need that AuthenticatedWithData variant in the outer scope, not in the promise scope. I’m inside of a reducer, so I can’t use any react tricks for it, is there anything I can do to fix that?

Or is there any javascript binding I can write to fix that? I’m kinda confused on that.