Introduce preventDefault and stopPropagation. See #83.

Author: teh

src/React.js

@@ -152,3 +152,13 @@ function createFactory(class_) {
   return React.createFactory(class_);
 }
 exports.createFactory = createFactory;
+
+function preventDefault(event) {
+  return function() { return event.preventDefault();}
+};
+exports.preventDefault = preventDefault;
+
+function stopPropagation(event) {
+  return function() { return event.stopPropagation();}
+};
+exports.stopPropagation = stopPropagation;

src/React.purs

@@ -51,6 +51,8 @@ module React
   , transformState
 
   , handle
+  , preventDefault
+  , stopPropagation
 
   , createClass
   , createClassStateless
@@ -362,3 +364,7 @@ foreign import data Children :: *
 
 -- | Internal conversion function from children elements to an array of React elements
 foreign import childrenToArray :: Children -> Array ReactElement
+
+foreign import preventDefault :: forall eff a. Event -> Eff eff a
+
+foreign import stopPropagation :: forall eff a. Event -> Eff eff a