From 51768606cae73339c872b8536a53e96735a04ca6 Mon Sep 17 00:00:00 2001
From: Kyle Kirby <kylekirby@optimalconnection.net>
Date: Wed, 12 Nov 2014 15:59:57 -0600
Subject: [PATCH] Fixed #115

Updated lunr.Store to call toJSON on lunr.SortedSet.
---
 lib/document_store.js      | 13 +++++++++++--
 test/serialisation_test.js | 14 ++++++++++++++
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/lib/document_store.js b/lib/document_store.js
index 46fbc9c8..7a31ad64 100644
--- a/lib/document_store.js
+++ b/lib/document_store.js
@@ -88,9 +88,18 @@ lunr.Store.prototype.remove = function (id) {
  * @memberOf Store
  */
 lunr.Store.prototype.toJSON = function () {
+  var store = {};
+  for(var key in this.store){
+    if(!this.store.hasOwnProperty(key))continue;
+	if(typeof this.store[key].toJSON == 'function'){
+		store[key] = this.store[key].toJSON();
+	}
+	else {
+		store[key] = this.store[key];
+	}
+  }
   return {
-    store: this.store,
+    store: store,
     length: this.length
   }
 }
-
diff --git a/test/serialisation_test.js b/test/serialisation_test.js
index 333fb248..00b4b726 100644
--- a/test/serialisation_test.js
+++ b/test/serialisation_test.js
@@ -30,6 +30,20 @@ test('dumping and loading an index', function () {
   deepEqual(idx.search('green plant'), clonedIdx.search('green plant'))
 })
 
+test('dumping and loading an index without stringify', function () {
+  var idx = new lunr.Index
+
+  idx.field('title', { boost: 10 })
+  idx.field('body')
+
+  this.corpus.forEach(function (doc) { idx.add(doc) })
+
+  var dumpedIdx = idx.toJSON(),
+      clonedIdx = lunr.Index.load(dumpedIdx)
+
+  deepEqual(idx.search('green plant'), clonedIdx.search('green plant'))
+})
+
 test('dumping and loading an index with a populated pipeline', function () {
   var idx = lunr(function () {
     this.field('title', { boost: 10 })