Add text-transform rule.

src/CSS/Text/Transform.purs

@@ -0,0 +1,61 @@
+module CSS.Text.Transform
+  ( TextTransform
+  , textTransform
+  , lowercase
+  , uppercase
+  , capitalize
+  ) where
+
+import CSS.Common (class Inherit, class Initial, class None)
+import CSS.Property (class Val)
+import CSS.String (fromString)
+import CSS.Stylesheet (CSS, key)
+import Data.Eq (class Eq)
+import Data.Function (($))
+import Data.Generic (class Generic, gShow)
+import Data.Ord (class Ord)
+import Data.Show (class Show)
+
+data TextTransform
+  = Uppercase
+  | Lowercase
+  | Capitalize
+  | None
+  | Initial
+  | Inherit
+
+derive instance eqTextTransform :: Eq TextTransform
+derive instance ordTextTransform :: Ord TextTransform
+derive instance genericTextTransform :: Generic TextTransform
+
+instance valTextTransform :: Val TextTransform where
+  value (Uppercase)  = fromString "uppercase"
+  value (Lowercase)  = fromString "lowercase"
+  value (Capitalize) = fromString "capitalize"
+  value (None)       = fromString "none"
+  value (Initial)    = fromString "initial"
+  value (Inherit)    = fromString "inherit"
+
+instance showTextTransform :: Show (TextTransform) where
+  show = gShow
+
+instance noneTextTransform :: None TextTransform where
+  none = None
+
+instance initialTextTransform :: Initial TextTransform where
+  initial = Initial
+
+instance inheritTextTransform :: Inherit TextTransform where
+  inherit = Inherit
+
+textTransform :: TextTransform -> CSS
+textTransform = key $ fromString "text-transform"
+
+uppercase :: TextTransform
+uppercase = Uppercase
+
+lowercase :: TextTransform
+lowercase = Lowercase
+
+capitalize :: TextTransform
+capitalize = Capitalize