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Resolve abstract types

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Objects that can be a part of an union or interface should return
__typename as string.
This commit is contained in:
Eugen Wissner
2020-06-03 07:20:38 +02:00
parent d12577ae71
commit 93a0403288
14 changed files with 217 additions and 166 deletions
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14
docs/tutorial/tutorial.lhs
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@ -42,7 +42,10 @@ First we build a GraphQL schema.
> queryType :: ObjectType IO
> queryType = ObjectType "Query" Nothing []
> $ HashMap.singleton "hello"
> $ Field Nothing (Out.NamedScalarType string) mempty hello
> $ Out.Resolver helloField hello
>
> helloField :: Field IO
> helloField = Field Nothing (Out.NamedScalarType string) mempty
>
> hello :: ActionT IO Value
> hello = pure $ String "it's me"
@ -77,7 +80,10 @@ For this example, we're going to be using time.
> queryType2 :: ObjectType IO
> queryType2 = ObjectType "Query" Nothing []
> $ HashMap.singleton "time"
> $ Field Nothing (Out.NamedScalarType string) mempty time
> $ Out.Resolver timeField time
>
> timeField :: Field IO
> timeField = Field Nothing (Out.NamedScalarType string) mempty
>
> time :: ActionT IO Value
> time = do
@ -140,8 +146,8 @@ Now that we have two resolvers, we can define a schema which uses them both.
>
> queryType3 :: ObjectType IO
> queryType3 = ObjectType "Query" Nothing [] $ HashMap.fromList
> [ ("hello", Field Nothing (Out.NamedScalarType string) mempty hello)
> , ("time", Field Nothing (Out.NamedScalarType string) mempty time)
> [ ("hello", Out.Resolver helloField hello)
> , ("time", Out.Resolver timeField time)
> ]
>
> query3 :: Text