graphql/Data/GraphQL.hs
Danny Navarro 98d2d41cda Initial support for variable substitution
The correspondent end-to-end test has been ported. The variable
definition still needs to be checked.
2016-02-15 14:43:52 +01:00

21 lines
577 B
Haskell

module Data.GraphQL where
import Control.Applicative (Alternative, empty)
import Data.Text (Text)
import qualified Data.Aeson as Aeson
import qualified Data.Attoparsec.Text as Attoparsec
import Data.GraphQL.Execute
import Data.GraphQL.Parser
import Data.GraphQL.Schema
graphql :: (Alternative m, Monad m) => Schema m -> Text -> m Aeson.Value
graphql = flip graphqlSubs $ const Nothing
graphqlSubs :: (Alternative m, Monad m) => Schema m -> Subs -> Text -> m Aeson.Value
graphqlSubs schema f =
either (const empty) (execute schema f)
. Attoparsec.parseOnly document