CPP for support for all 3.X versions of wai-app-static

This commit is contained in:
Julian K. Arni 2015-05-15 12:58:12 +02:00 committed by Ilya Smelkov
parent 955261ddd3
commit c41267811e

View file

@ -1,3 +1,4 @@
{-# LANGUAGE CPP #-}
-- | This module defines a sever-side handler that lets you serve static files. -- | This module defines a sever-side handler that lets you serve static files.
-- --
-- - 'serveDirectory' lets you serve anything that lives under a particular -- - 'serveDirectory' lets you serve anything that lives under a particular
@ -6,10 +7,13 @@ module Servant.Utils.StaticFiles (
serveDirectory, serveDirectory,
) where ) where
import Filesystem.Path.CurrentOS (decodeString) import Data.List (isSuffixOf)
import Network.Wai.Application.Static (staticApp, defaultFileServerSettings) import Network.Wai.Application.Static (staticApp, defaultFileServerSettings)
import Servant.API.Raw (Raw) import Servant.API.Raw (Raw)
import Servant.Server (Server) import Servant.Server (Server)
#if !MIN_VERSION_wai_app_static(3,1,0)
import Filesystem.Path.CurrentOS (decodeString)
#endif
-- | Serve anything under the specified directory as a 'Raw' endpoint. -- | Serve anything under the specified directory as a 'Raw' endpoint.
-- --
@ -32,5 +36,10 @@ import Servant.Server (Server)
-- handler in the last position, because /servant/ will try to match the handlers -- handler in the last position, because /servant/ will try to match the handlers
-- in order. -- in order.
serveDirectory :: FilePath -> Server Raw serveDirectory :: FilePath -> Server Raw
serveDirectory documentRoot = serveDirectory =
staticApp (defaultFileServerSettings (decodeString (documentRoot ++ "/"))) #if MIN_VERSION_wai_app_static(3,1,0)
staticApp . defaultFileServerSettings . mkSuff
#else
staticApp . defaultFileServerSettings . decodeString . mkSuff
#endif
where mkSuff x = if "/" `isSuffixOf` x then x else x ++ "/"