Replace AST.Selection data constructors

This commit is contained in:
2019-12-25 06:45:29 +01:00
parent bdf711d69f
commit 62f3c34bfe
7 changed files with 114 additions and 113 deletions

View File

@ -42,9 +42,9 @@ document subs document' =
$ Replacement HashMap.empty fragmentTable
where
(fragmentTable, operationDefinitions) = foldr defragment mempty document'
defragment (Full.DefinitionOperation definition) acc =
defragment (Full.ExecutableDefinition (Full.DefinitionOperation definition)) acc =
(definition :) <$> acc
defragment (Full.DefinitionFragment definition) acc =
defragment (Full.ExecutableDefinition (Full.DefinitionFragment definition)) acc =
let (Full.FragmentDefinition name _ _ _) = definition
in first (HashMap.insert name definition) acc
@ -69,13 +69,35 @@ operation (Full.OperationDefinition Full.Mutation name _vars _dirs sels) =
selection ::
Full.Selection ->
TransformT (Either (Seq Core.Selection) Core.Selection)
selection (Full.SelectionField field') =
maybe (Left mempty) (Right . Core.SelectionField) <$> field field'
selection (Full.SelectionFragmentSpread fragment) =
maybe (Left mempty) (Right . Core.SelectionFragment)
<$> fragmentSpread fragment
selection (Full.SelectionInlineFragment fragment) =
inlineFragment fragment
selection (Full.Field alias name arguments' directives' selections) =
maybe (Left mempty) (Right . Core.SelectionField) <$> do
fieldArguments <- traverse argument arguments'
fieldSelections <- appendSelection selections
fieldDirectives <- Directive.selection <$> directives directives'
let field' = Core.Field alias name fieldArguments fieldSelections
pure $ field' <$ fieldDirectives
selection (Full.FragmentSpread name directives') =
maybe (Left mempty) (Right . Core.SelectionFragment) <$> do
spreadDirectives <- Directive.selection <$> directives directives'
fragments' <- gets fragments
fragment <- maybe lookupDefinition liftJust (HashMap.lookup name fragments')
pure $ fragment <$ spreadDirectives
where
lookupDefinition = do
fragmentDefinitions' <- gets fragmentDefinitions
found <- lift . lift $ HashMap.lookup name fragmentDefinitions'
fragmentDefinition found
selection (Full.InlineFragment type' directives' selections) = do
fragmentDirectives <- Directive.selection <$> directives directives'
case fragmentDirectives of
Nothing -> pure $ Left mempty
_ -> do
fragmentSelectionSet <- appendSelection selections
pure $ maybe Left selectionFragment type' fragmentSelectionSet
where
selectionFragment typeName = Right
. Core.SelectionFragment
. Core.Fragment typeName
appendSelection ::
Traversable t =>
@ -104,33 +126,6 @@ collectFragments = do
_ <- fragmentDefinition nextValue
collectFragments
inlineFragment ::
Full.InlineFragment ->
TransformT (Either (Seq Core.Selection) Core.Selection)
inlineFragment (Full.InlineFragment type' directives' selectionSet) = do
fragmentDirectives <- Directive.selection <$> directives directives'
case fragmentDirectives of
Nothing -> pure $ Left mempty
_ -> do
fragmentSelectionSet <- appendSelection selectionSet
pure $ maybe Left selectionFragment type' fragmentSelectionSet
where
selectionFragment typeName = Right
. Core.SelectionFragment
. Core.Fragment typeName
fragmentSpread :: Full.FragmentSpread -> TransformT (Maybe Core.Fragment)
fragmentSpread (Full.FragmentSpread name directives') = do
spreadDirectives <- Directive.selection <$> directives directives'
fragments' <- gets fragments
fragment <- maybe lookupDefinition liftJust (HashMap.lookup name fragments')
pure $ fragment <$ spreadDirectives
where
lookupDefinition = do
fragmentDefinitions' <- gets fragmentDefinitions
found <- lift . lift $ HashMap.lookup name fragmentDefinitions'
fragmentDefinition found
fragmentDefinition ::
Full.FragmentDefinition ->
TransformT Core.Fragment
@ -147,14 +142,6 @@ fragmentDefinition (Full.FragmentDefinition name type' _ selections) = do
let newFragments = HashMap.insert name newValue fragments'
in Replacement newFragments fragmentDefinitions'
field :: Full.Field -> TransformT (Maybe Core.Field)
field (Full.Field alias name arguments' directives' selections) = do
fieldArguments <- traverse argument arguments'
fieldSelections <- appendSelection selections
fieldDirectives <- Directive.selection <$> directives directives'
let field' = Core.Field alias name fieldArguments fieldSelections
pure $ field' <$ fieldDirectives
arguments :: [Full.Argument] -> TransformT Core.Arguments
arguments = fmap Core.Arguments . foldM go HashMap.empty
where