Add stateless component helper function

generated-docs/React/Basic.md

@@ -16,6 +16,17 @@ The rendering function should return a value of type `JSX`, which can be
 constructed using the helper functions provided by the `React.Basic.DOM`
 module (and re-exported here).
 
+#### `stateless`
+
+``` purescript
+stateless :: forall props. { displayName :: String, render :: props -> JSX } -> ReactComponent props
+```
+
+Create a stateless React component.
+
+Removes a little bit of the `react` function's boilerplate when creating
+components which don't use state.
+
 #### `createElement`
 
 ``` purescript

src/React/Basic.purs

@@ -1,5 +1,6 @@
 module React.Basic
   ( react
+  , stateless
   , createElement
   , createElementKeyed
   , fragment
@@ -40,6 +41,24 @@ react { displayName, initialState, receiveProps, render } =
     , render: mkFn3 render
     }
 
+-- | Create a stateless React component.
+-- |
+-- | Removes a little bit of the `react` function's boilerplate when creating
+-- | components which don't use state.
+stateless
+  :: forall props
+   . { displayName :: String
+     , render :: props -> JSX
+     }
+  -> ReactComponent props
+stateless { displayName, render } =
+  react
+    { displayName
+    , initialState: unit
+    , receiveProps: \_ _ _ -> pure unit
+    , render: \props _ _ -> render props
+    }
+
 -- | SetState uses an update function to modify the current state.
 type SetState state fx = (state -> state) -> Eff (react :: ReactFX | fx) Unit