4 files changed, 47 insertions, 6 deletions
diff --git a/packages/gitbook-core/src/actions/TYPES.js b/packages/gitbook-core/src/actions/TYPES.js
index e758a44..3177dbd 100644
--- a/packages/gitbook-core/src/actions/TYPES.js
+++ b/packages/gitbook-core/src/actions/TYPES.js
@@ -7,6 +7,8 @@ module.exports = {
     PAGE_FETCH_START:     'navigation/fetch:start',
     PAGE_FETCH_END:       'navigation/fetch:end',
     PAGE_FETCH_ERROR:     'navigation/fetch:error',
+    PAGE_UPDATE_ANCHOR:   'navigation/update:anchor',
+    PAGE_UPDATE_QUERY:    'navigation/update:query',
     // i18n
     I18N_REGISTER_LOCALE: 'i18n/register:locale'
 };
diff --git a/packages/gitbook-core/src/actions/navigation.js b/packages/gitbook-core/src/actions/navigation.js
index 60be593..f13e878 100644
--- a/packages/gitbook-core/src/actions/navigation.js
+++ b/packages/gitbook-core/src/actions/navigation.js
@@ -123,8 +123,28 @@ function fetchArticle(article) {
     return fetchPage(article.path);
 }
 
+/**
+ * Update anchor for current page
+ * @param {String} anchor
+ * @return {Action} action
+ */
+function updateAnchor(anchor) {
+    return { type: ACTION_TYPES.PAGE_UPDATE_ANCHOR, anchor };
+}
+
+/**
+ * Update query for current page
+ * @param {Object|Map} query
+ * @return {Action} action
+ */
+function updateQuery(query) {
+    return { type: ACTION_TYPES.PAGE_UPDATE_QUERY, query };
+}
+
 module.exports = {
     pushURI,
     fetchPage,
-    fetchArticle
+    fetchArticle,
+    updateAnchor,
+    updateQuery
 };
diff --git a/packages/gitbook-core/src/lib/createContext.js b/packages/gitbook-core/src/lib/createContext.js
index d19e0f6..ec240be 100644
--- a/packages/gitbook-core/src/lib/createContext.js
+++ b/packages/gitbook-core/src/lib/createContext.js
@@ -11,6 +11,8 @@ const Components = require('../actions/components');
 const I18n = require('../actions/i18n');
 const Navigation = require('../actions/navigation');
 
+const isBrowser = (typeof window !== 'undefined');
+
 const corePlugin = new Plugin({
     reduce: coreReducers,
     actions: {
@@ -38,13 +40,19 @@ function createContext(plugins, initialState) {
         return Object.assign(accu, plugin.actions);
     }, {});
 
+    // Create thunk middleware which include actions
+    const thunk = ReduxThunk.withExtraArgument(actions);
+
+    // Create the redux store
     const store = Redux.createStore(
         (state, action) => {
-            console.log('[store]', action.type);
+            if (isBrowser) {
+                console.log('[store]', action.type);
+            }
             return reducer(state, action);
         },
         initialState,
-        Redux.compose(Redux.applyMiddleware(ReduxThunk))
+        Redux.compose(Redux.applyMiddleware(thunk))
     );
 
     // Initialize the plugins
diff --git a/packages/gitbook-core/src/reducers/navigation.js b/packages/gitbook-core/src/reducers/navigation.js
index a895186..625adef 100644
--- a/packages/gitbook-core/src/reducers/navigation.js
+++ b/packages/gitbook-core/src/reducers/navigation.js
@@ -1,9 +1,15 @@
-const { Record } = require('immutable');
+const { Record, Map } = require('immutable');
 const ACTION_TYPES = require('../actions/TYPES');
 
 const NavigationState = Record({
-    loading: false,
-    error:   null
+    // Are we loading a new page
+    loading: Boolean(false),
+    // Did we fail loading a page?
+    error:   null,
+    // Query string
+    query:   Map(),
+    // Current anchor
+    anchor:  String('')
 });
 
 function reduceNavigation(state, action) {
@@ -26,6 +32,11 @@ function reduceNavigation(state, action) {
             error:   action.error
         });
 
+    case ACTION_TYPES.PAGE_UPDATE_ANCHOR:
+        return state.merge({
+            anchor: action.anchor
+        });
+
     default:
         return state;