feat: support default and * import from app reducers (#224)

examples/counter/reducers.js

@@ -1,4 +1,4 @@
-function counter(state = 0, action) {
+export const counter = (state = 0, action) => {
     switch (action.type) {
     case 'INCREMENT':
         return state + 1;
@@ -7,5 +7,4 @@ function counter(state = 0, action) {
     default:
         return state;
     }
-}
-export default { counter };
+};

src/client/index.jsx

@@ -6,7 +6,7 @@ import { createHistory } from 'history';
 import RedBox from 'redbox-react';
 /* eslint-disable import/no-extraneous-dependencies */
 import routes from '__app_modules__routes__';
-import reducers from '__app_modules__redux_reducers__';
+import * as reducers from '__app_modules__redux_reducers__';
 import middlewares from '__app_modules__redux_middlewares__';
 import { parse as stateParser } from '__app_modules__redux_stateSerializer__';
 /* eslint-enable import/no-extraneous-dependencies */
@@ -44,7 +44,7 @@ function bootstrapClient() {
     });
     const store = createStore(
         history,
-        reducers,
+        reducers.default || reducers,
         middlewares,
         initialState,
     );
@@ -67,9 +67,9 @@ function bootstrapClient() {
     if (module.hot && process.env.NODE_ENV !== 'production') {
         module.hot.accept('__app_modules__redux_reducers__', () => {
             // eslint-disable-next-line global-require, import/no-extraneous-dependencies
-            const newReducer = require('__app_modules__redux_reducers__').default;
+            const newReducers = require('__app_modules__redux_reducers__');
 
-            store.replaceReducer(createRootReducer(newReducer));
+            store.replaceReducer(createRootReducer(newReducers.default || newReducers));
         });
         module.hot.accept('__app_modules__routes__', () => {
             // eslint-disable-next-line global-require, import/no-extraneous-dependencies

src/server/middlewares/store.js

@@ -1,6 +1,6 @@
 import { createMemoryHistory, useBasename, useQueries } from 'history';
 /* eslint-disable import/no-extraneous-dependencies */
-import reducers from '__app_modules__redux_reducers__';
+import * as reducers from '__app_modules__redux_reducers__';
 import middlewares from '__app_modules__redux_middlewares__';
 /* eslint-enable import/no-extraneous-dependencies */
 import { create as createStore } from '../../shared/store';
@@ -12,6 +12,6 @@ export default () => function* storeMiddleware(next) {
         entries: [this.req.url],
     });
     this.state.history = history;
-    this.state.store = createStore(history, reducers, middlewares);
+    this.state.store = createStore(history, reducers.default || reducers, middlewares);
     yield next;
 };