I've posted a full example here:
https://gist.github.com/artisonian/4f62ee4572a788d5d801c997e5a560ce
If it'd be helpful, I can work on a writeup to explain my design choices.
On Friday, December 2, 2016 at 8:11:45 PM UTC-5, Nima Birgani wrote:
>
> Hi all,
>
> I'm trying to decode an relatively large JSON to run my app in elm. here
> is the how my json looks like:
>
> {
> "pageTitle" : "users",
> "primaryWidget" : "user"
> "primaryWidgetData" : {
> "permissions" : ["read", "write"]
> "data": [
> {
> "name": "name 1"
> "email" : "[email protected]"
> "id": "dsd33-wdsds"
> },
> {
> "name": "name 2"
> "email" : "[email protected]"
> "id": "0000-wdsds"
> }
> ]
> }
> }
>
> alternatively my json can be like:
>
> {
> "pageTitle" : "accounts",
> "primaryWidget" : "account-manager"
> "primaryWidgetData" : {
> "accounts": [
> {
> "accountId": "id 1"
> "accountName" : "acc name"
> "owner": {
> "name": "name 2"
> "email" : "[email protected]"
> "id": "0000-wdsds"
> }
> },
> {
> "accountId": "id 2"
> "accountName" : "acc name 2"
> "owner": {
> "name": "name 1"
> "email" : "[email protected]"
> "id": "3343-wdsds"
> }
> }
> ]
> }
> }
>
> when I'm decoding the JSON i would like to load the relevant decoder
> based on the "primaryWidget" and I'm using pipeline decoder:
>
> manifestDecoder : Decoder Manifest
> manifestDecoder =
> Json.decode Manifest
> |> required "pageTitle" string
> |> required "primaryWidget" (string |> andThen
> primaryWidgetDecoder)
> |> required "primaryWidgetDat" now I want to pass the relevant
> loader here but I have no Idea how. tried to use andThen but no luck
>
>
> Many thanks for reading and helping.
>
> Cheers,
>
>
>
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