added seamless-immutable updates

src/seamless-immutable.js

@@ -0,0 +1,16 @@
+import createAll from './createAll'
+import immutableStructure from './structure/seamless-immutable'
+
+export const {
+  LOCATION_CHANGE,
+  CALL_HISTORY_METHOD,
+  push,
+  replace,
+  go,
+  goBack,
+  goForward,
+  routerActions,
+  ConnectedRouter,
+  connectRouter,
+  routerMiddleware
+} = createAll(immutableStructure)

src/structure/seamless-immutable/index.js

@@ -0,0 +1,19 @@
+import SeamlessImmutable from 'seamless-immutable'
+import getIn from '../plain/getIn'
+import setIn from '../plain/setIn'
+
+const { static: Immutable } = SeamlessImmutable
+
+const structure = {
+  filterNotRouter: state => {
+    const { router, ...rest } = state // eslint-disable-line
+    return rest
+  },
+  fromJS: value => Immutable.from(value),
+  getIn,
+  merge: (state, payload) => Immutable.merge(state, payload),
+  setIn,
+  toJS: value => Immutable.asMutable(value)
+}
+
+export default structure