Support Additional arguments for handleAction(s)

    * resolve redux-utilities#148

Author: Xiaohan Zhang

src/handleAction.js

@@ -11,11 +11,13 @@ export default function handleAction(actionType, reducers, defaultState) {
     ? [reducers, reducers]
     : [reducers.next, reducers.throw].map(reducer => (isNil(reducer) ? identity : reducer));
 
-  return (state = defaultState, action) => {
+  return (state = defaultState, action, ...args) => {
     if (!includes(actionTypes, action.type.toString())) {
       return state;
     }
 
-    return (action.error === true ? throwReducer : nextReducer)(state, action);
+    return (
+      action.error === true ? throwReducer : nextReducer
+    )(state, action, ...args);
   };
 }

src/handleActions.js

@@ -6,5 +6,5 @@ export default function handleActions(handlers, defaultState) {
   const reducers = ownKeys(handlers).map(type => handleAction(type, handlers[type]));
   const reducer = reduceReducers(...reducers);
 
-  return (state = defaultState, action) => reducer(state, action);
+  return (state = defaultState, action, ...args) => reducer(state, action, ...args);
 }