1 files changed, 19 insertions, 0 deletions
diff --git a/client/src/Util/Dom.hs b/client/src/Util/Dom.hs
new file mode 100644
index 0000000..f3e9c88
--- /dev/null
+++ b/client/src/Util/Dom.hs
@@ -0,0 +1,19 @@
+module Util.Dom
+  ( divVisibleIf
+  , divClassVisibleIf
+  ) where
+
+import qualified Data.Map   as M
+import           Data.Text  (Text)
+import           Reflex.Dom (Dynamic, MonadWidget)
+import qualified Reflex.Dom as R
+
+divVisibleIf :: forall t m a. MonadWidget t m => Dynamic t Bool -> m a -> m a
+divVisibleIf cond content = divClassVisibleIf cond "" content
+
+divClassVisibleIf :: forall t m a. MonadWidget t m => Dynamic t Bool -> Text -> m a -> m a
+divClassVisibleIf cond className content =
+  R.elDynAttr
+    "div"
+    (fmap (\c -> (M.singleton "class" className) `M.union` if c then M.empty else M.singleton "style" "display:none") cond)
+    content