1 files changed, 31 insertions, 0 deletions
diff --git a/packages/gitbook-plugin-lunr/src/reducer.js b/packages/gitbook-plugin-lunr/src/reducer.js
new file mode 100644
index 0000000..7e317c4
--- /dev/null
+++ b/packages/gitbook-plugin-lunr/src/reducer.js
@@ -0,0 +1,31 @@
+const lunr = require('lunr');
+const GitBook = require('gitbook-core');
+const { Record } = GitBook.Immutable;
+
+const { TYPES } = require('./actions');
+
+/*
+    We store the lunr index an the document index in the store.
+ */
+
+const LunrState = Record({
+    idx: null,
+    store: {}
+});
+
+module.exports = GitBook.createReducer('lunr', (state, action) => {
+    state = state || LunrState();
+
+    switch (action.type) {
+
+    case TYPES.LOAD:
+        return state
+            .set('idx', lunr.Index.load(action.json.index))
+            .merge({
+                store: action.json.store
+            });
+
+    default:
+        return state;
+    }
+});