1 files changed, 40 insertions, 0 deletions
diff --git a/client/src/Main.hs b/client/src/Main.hs
new file mode 100644
index 0000000..1f167d4
--- /dev/null
+++ b/client/src/Main.hs
@@ -0,0 +1,40 @@
+module Main
+  ( main
+  ) where
+
+import qualified Data.Aeson as Aeson
+import qualified Data.ByteString.Lazy as LB
+import Data.JSString.Text (textFromJSString)
+import qualified Data.Text.Encoding as T
+import qualified GHCJS.DOM as Dom
+import qualified GHCJS.DOM.NonElementParentNode as Dom
+import GHCJS.DOM.Types (JSM, Element, JSString)
+import Prelude hiding (init, error)
+
+import Common.Model (InitResult(InitEmpty))
+import qualified Common.Message as Message
+import qualified Common.Message.Key as Key
+
+import qualified View.App as App
+
+main :: JSM ()
+main = do
+  initResult <- readInit
+  App.widget initResult
+
+readInit :: JSM InitResult
+readInit = do
+  document <- Dom.currentDocumentUnchecked
+  initNode <- Dom.getElementById document "init"
+  case initNode of
+    Just node -> do
+      text <- textFromJSString <$> js_getInnerText node
+      return $ case Aeson.decode (LB.fromStrict . T.encodeUtf8 $ text) of
+        Just init -> init
+        Nothing -> initParseError
+    _ ->
+      return initParseError
+  where initParseError = InitEmpty (Left $ Message.get Key.SignIn_ParseError)
+
+foreign import javascript unsafe "$1[\"innerText\"]"
+  js_getInnerText :: Element -> IO JSString