remove data-default-class

Web/Scotty/Internal/Types.hs

@@ -22,14 +22,13 @@
 import           Control.Monad.IO.Class (MonadIO(..))
 import UnliftIO (MonadUnliftIO(..))
 import           Control.Monad.Reader (MonadReader(..), ReaderT, asks, mapReaderT)
 import           Control.Monad.State.Strict (State, StateT(..))
 import           Control.Monad.Trans.Class (MonadTrans(..))
 import           Control.Monad.Trans.Control (MonadBaseControl, MonadTransControl)
 import qualified Control.Monad.Trans.Resource as RT (InternalState, InvalidAccess)
 
 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Lazy.Char8 as LBS8 (ByteString)
-import           Data.Default.Class (Default, def)
 import           Data.String (IsString(..))
 import qualified Data.Text as T (Text, pack)
 import           Data.Typeable (Typeable)
@@ -58,18 +57,12 @@
                                               -- servers using `setFdCacheDuration`.
                        }
 
-instance Default Options where
-  def = defaultOptions
-
 defaultOptions :: Options
 defaultOptions = Options 1 W.defaultSettings
 
 newtype RouteOptions = RouteOptions { maxRequestBodySize :: Maybe Kilobytes -- max allowed request size in KB
                                     }
 
-instance Default RouteOptions where
-    def = defaultRouteOptions
-
 defaultRouteOptions :: RouteOptions
 defaultRouteOptions = RouteOptions Nothing
 
@@ -100,9 +93,6 @@
                 , routeOptions :: RouteOptions
                 }
 
--- instance Default (ScottyState m) where
---   def = defaultScottyState
-
 defaultScottyState :: ScottyState m
 defaultScottyState = ScottyState [] [] Nothing defaultRouteOptions
 
@@ -231,8 +221,6 @@
 setStatus :: Status -> ScottyResponse -> ScottyResponse
 setStatus s sr = sr { srStatus = s }
 
-instance Default ScottyResponse where
-  def = defaultScottyResponse
 
 -- | The default response has code 200 OK and empty body
 defaultScottyResponse :: ScottyResponse

changelog.md

@@ -1,6 +1,11 @@
 ## next [????.??.??]
 
 
+### Breaking changes
+* Remove dependency on data-default class (#386). We have been exporting constants for default config values since 0.20, and this dependency was simply unnecessary.
+
+
+
 ## 0.22 [2024.03.09]
 
 ### New

scotty.cabal

@@ -76,7 +76,6 @@ Library
                        bytestring            >= 0.10.0.2 ,
                        case-insensitive      >= 1.0.0.1  && < 1.3,
                        cookie                >= 0.4,
-                       data-default-class >= 0.1,
                        exceptions            >= 0.7      && < 0.11,
                        http-types            >= 0.9.1    && < 0.13,
                        monad-control         >= 1.0.0.3  && < 1.1,