1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Util.hs b/lib/Util.hs
index 42ba960..82d326f 100644
--- a/lib/Util.hs
+++ b/lib/Util.hs
@@ -9,6 +9,7 @@ module Util where
 import           Data.Aeson as Aeson
 import           Data.Text  (Text)
 import qualified Data.Text  as T
+import Tiled2 (PropertyValue(..))
 
 -- | haskell's many string types are FUN …
 showText :: Show a => a -> Text
@@ -29,6 +30,11 @@ instance PrettyPrint Aeson.Value where
     Aeson.String s -> prettyprint s
     v              -> (T.pack . show) v
 
+instance PrettyPrint PropertyValue where
+  prettyprint = \case
+    StrProp str -> str
+    BoolProp bool -> if bool then "true" else "false"
+
 -- | here since Unit is sometimes used as dummy type
 instance PrettyPrint () where
   prettyprint _ = error "shouldn't pretty-print Unit"