graphql/src/Language/GraphQL/AST/DirectiveLocation.hs

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-- | Various parts of a GraphQL document can be annotated with directives.
-- This module describes locations in a document where directives can appear.
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module Language.GraphQL.AST.DirectiveLocation
( DirectiveLocation(..)
, ExecutableDirectiveLocation(..)
, TypeSystemDirectiveLocation(..)
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) where
-- | All directives can be splitted in two groups: directives used to annotate
-- various parts of executable definitions and the ones used in the schema
-- definition.
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data DirectiveLocation
= ExecutableDirectiveLocation ExecutableDirectiveLocation
| TypeSystemDirectiveLocation TypeSystemDirectiveLocation
deriving (Eq, Show)
-- | Where directives can appear in an executable definition, like a query.
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data ExecutableDirectiveLocation
= Query
| Mutation
| Subscription
| Field
| FragmentDefinition
| FragmentSpread
| InlineFragment
deriving (Eq, Show)
-- | Where directives can appear in a type system definition.
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data TypeSystemDirectiveLocation
= Schema
| Scalar
| Object
| FieldDefinition
| ArgumentDefinition
| Interface
| Union
| Enum
| EnumValue
| InputObject
| InputFieldDefinition
deriving (Eq, Show)