make tiled even more strict

turns out aeson really REALLY likes to keep huge scientific numbers
around, which is great if your data structures consist largely of arrays
of (small) integers!

2 files changed, 10 insertions, 9 deletions

diff --git a/tiled/Data/Tiled.hs b/tiled/Data/Tiled.hs
index 8a8036e..d3ccb26 100644
--- a/tiled/Data/Tiled.hs
+++ b/tiled/Data/Tiled.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE AllowAmbiguousTypes        #-}
+{-# LANGUAGE BangPatterns               #-}
 {-# LANGUAGE DeriveAnyClass             #-}
 {-# LANGUAGE DeriveGeneric              #-}
 {-# LANGUAGE DerivingStrategies         #-}
@@ -19,10 +20,10 @@ module Data.Tiled where
 
 import           Universum
 
-import           Data.Aeson           hiding (Object)
-import qualified Data.Aeson           as A
-import           Data.Aeson.Types     (typeMismatch)
-import           Data.Char            (toLower)
+import           Data.Aeson       hiding (Object)
+import qualified Data.Aeson       as A
+import           Data.Aeson.Types (typeMismatch)
+import           Data.Char        (toLower)
 
 
 -- | options for Aeson's generic encoding and parsing functions
@@ -381,6 +382,6 @@ instance ToJSON Tiledmap where
 
 -- | Load a Tiled map from the given 'FilePath'.
 loadTiledmap :: FilePath -> IO (Either String Tiledmap)
-loadTiledmap path = eitherDecodeFileStrict' path <&> \case
-  Left  err      -> Left err
-  Right tiledmap -> Right tiledmap
+loadTiledmap path = eitherDecodeFileStrict' path >>= \case
+  Left  err       -> pure $ Left err
+  Right !tiledmap -> evaluateNF tiledmap <&> Right
diff --git a/tiled/Data/Tiled/Abstract.hs b/tiled/Data/Tiled/Abstract.hs
index 4b2e15d..4d6396a 100644
--- a/tiled/Data/Tiled/Abstract.hs
+++ b/tiled/Data/Tiled/Abstract.hs
@@ -4,10 +4,10 @@ module Data.Tiled.Abstract where
 
 import           Universum
 
-import qualified Data.Vector as V
-import           Data.Tiled       (Layer (..), Object (..), Property (..),
+import           Data.Tiled  (Layer (..), Object (..), Property (..),
                               PropertyValue (..), Tile (..), Tiledmap (..),
                               Tileset (..))
+import qualified Data.Vector as V
 
 class HasProperties a where
   getProperties :: a -> [Property]