version 0.8.4.00.8.4.0

1 files changed, 21 insertions, 0 deletions

diff --git a/lib/Data/Aeson/TH/Extended.hs b/lib/Data/Aeson/TH/Extended.hs
new file mode 100644
index 0000000..0fa5487
--- /dev/null
+++ b/lib/Data/Aeson/TH/Extended.hs
@@ -0,0 +1,21 @@
+--------------------------------------------------------------------------------
+module Data.Aeson.TH.Extended
+    ( module Data.Aeson.TH
+    , dropPrefixOptions
+    ) where
+
+
+--------------------------------------------------------------------------------
+import           Data.Aeson.TH
+import           Data.Char     (isUpper, toLower)
+
+
+--------------------------------------------------------------------------------
+dropPrefixOptions :: Options
+dropPrefixOptions = defaultOptions
+    { fieldLabelModifier = dropPrefix
+    }
+  where
+    dropPrefix str = case break isUpper str of
+        (_, (y : ys)) -> toLower y : ys
+        _             -> str