3 files changed, 7 insertions, 4 deletions
diff --git a/packages/gitbook-core/package.json b/packages/gitbook-core/package.json
index c75f05d..387a610 100644
--- a/packages/gitbook-core/package.json
+++ b/packages/gitbook-core/package.json
@@ -24,7 +24,8 @@
   "scripts": {
     "dist-lib": "rm -rf lib/ && babel -d lib/ src/",
     "dist-standalone": "browserify -r ./lib/index.js:gitbook-core -r react -r react-dom ./lib/index.js | uglifyjs -c > gitbook.core.min.js",
-    "prepublish": "npm run dist-lib && npm run dist-standalone"
+    "dist": "npm run dist-lib && npm run dist-standalone",
+    "prepublish": "npm run dist"
   },
   "repository": {
     "type": "git",
diff --git a/packages/gitbook-core/src/createPlugin.js b/packages/gitbook-core/src/createPlugin.js
index c26d745..d00c99d 100644
--- a/packages/gitbook-core/src/createPlugin.js
+++ b/packages/gitbook-core/src/createPlugin.js
@@ -7,6 +7,8 @@
  * @return {Plugin}
  */
 function createPlugin(onInitialState, onReduceState) {
+    onReduceState = onReduceState || ((state, action) => state);
+
     const plugin = {
         onInitialState,
         onReduceState
diff --git a/packages/gitbook-core/src/createStore.js b/packages/gitbook-core/src/createStore.js
index c13f219..4873190 100644
--- a/packages/gitbook-core/src/createStore.js
+++ b/packages/gitbook-core/src/createStore.js
@@ -13,12 +13,12 @@ const reducers = require('./reducers');
  */
 function createStore(plugins, initialState) {
     const pluginReducers = plugins.map(plugin => plugin.onReduceState);
+    console.log(pluginReducers);
     const reducer = Redux.compose(reducers, ...pluginReducers);
-
     const store = Redux.createStore(
-        reducer,
+        reducers,
         initialState,
-        Redux.applyMiddleware(ReduxThunk)
+        Redux.compose(Redux.applyMiddleware(ReduxThunk))
     );
 
     // Initialize the plugins