1 files changed, 20 insertions, 0 deletions
diff --git a/packages/gitbook-core/src/reducers/page.js b/packages/gitbook-core/src/reducers/page.js
new file mode 100644
index 0000000..98764c0
--- /dev/null
+++ b/packages/gitbook-core/src/reducers/page.js
@@ -0,0 +1,20 @@
+const { Record } = require('immutable');
+
+const DEFAULTS = {
+    title:   '',
+    content: '',
+    dir:     'ltr',
+    depth:   1,
+    level:   ''
+};
+
+class PageState extends Record(DEFAULTS) {
+    static create(state) {
+        return state instanceof PageState ?
+            state : new PageState(state);
+    }
+}
+
+module.exports = (state, action) => {
+    return PageState.create(state);
+};