1 files changed, 13 insertions, 2 deletions
diff --git a/Biz/App.hs b/Biz/App.hs
index 9c0b7a7..317a163 100644
--- a/Biz/App.hs
+++ b/Biz/App.hs
@@ -5,7 +5,8 @@
 
 -- | General utils for apps
 module Biz.App
-  ( CSS (..),
+  ( Area (..),
+    CSS (..),
     HasCss (..),
     Manifest (..),
     Html (..),
@@ -22,6 +23,16 @@ import Network.HTTP.Media
     (/:),
   )
 import Servant.API (Accept (..), MimeRender (..))
+import qualified System.Envy as Envy
+
+data Area = Test | Live
+  deriving (Generic, Show)
+
+instance Envy.Var Area where
+  toVar = show
+  fromVar "Test" = Just Test
+  fromVar "Live" = Just Live
+  fromVar _ = Just Test
 
 newtype CSS = CSS
   { unCSS :: Text
@@ -47,7 +58,7 @@ data Manifest = Manifest
 instance ToJSON Manifest
 
 -- | A wrapper for an HTML page. You need to provide an orphan
--- 'Lucid.Base.ToHtml' instance in the Host module of your app.
+-- 'Lucid.Base.ToHtml' instance in the web module of your app.
 --
 -- Ideally this would be captured in a Biz.App type, with overrides for head
 -- elements, and we would wouldn't have to make the same basic orphan instance