Inspiration: Cool decoder type from TypeScript

[Lucas_Payr]

So just a few days ago this was published:

https://package.elm-lang.org/packages/eike/json-decode-complete/latest

I did not have the time yet to check it out, but from the description, it seems to be what you’re looking for.

Edit:

Just noticed that this exact package is currently being discussed in

JSON Decoders - did you get all the fields?

I had a similar problem recently, so I decided to create a small package for the problem this weekend: eike/json-decode-complete. It allows you to write object decoders that fail if you don’t handle all fields: import Json.Decode exposing (Decoder) import DecodeComplete exposing (..) type alias User = { name : String , age : Int } userDecoder : Decoder User userDecoder = object User |> required "name" Decode.string |> required "age" Decode.int |> discar…