Format.hs

module Language.Haskell.Format (
    autoSettings,
    format,
    formatters,
    hlint,
    hindent,
    stylish,
    Settings,
    Formatter(..),
    Suggestion(..),
    HaskellSource(..),
    Reformatted(..),
    ) where

import           Language.Haskell.Format.Definitions
import qualified Language.Haskell.Format.HIndent     as HIndent
import qualified Language.Haskell.Format.HLint       as HLint
import qualified Language.Haskell.Format.Stylish     as Stylish

import           Control.Applicative
import           Data.Maybe

data Settings = Settings

autoSettings :: IO Settings
autoSettings = return Settings

hlint :: Settings -> IO Formatter
hlint _ = HLint.suggester <$> HLint.autoSettings

hindent :: Settings -> IO Formatter
hindent _ = HIndent.formatter <$> HIndent.autoSettings

stylish :: Settings -> IO Formatter
stylish _ = Stylish.formatter <$> Stylish.autoSettings

formatters :: Settings -> IO [Formatter]
formatters s = sequence [hlint s, hindent s, stylish s]

format :: Formatter -> HaskellSource -> Either String Reformatted
format = unFormatter