Use my style in getMatching

lib/indexes.js

@@ -236,14 +236,12 @@ Index.prototype.revertUpdate = function (oldDoc, newDoc) {
  * @return {Array of documents}
  */
 Index.prototype.getMatching = function (value) {
-  var _res, res
+  var self = this;
-    , self = this;
 
   if (!util.isArray(value)) {
-    res = self.tree.search(value);
+    return self.tree.search(value);
   } else {
-    _res = {};
+    var _res = {}, res = [];
-    res = [];
 
     value.forEach(function (v) {
       self.getMatching(v).forEach(function (doc) {
@@ -254,8 +252,9 @@ Index.prototype.getMatching = function (value) {
     Object.keys(_res).forEach(function (_id) {
       res.push(_res[_id]);
     });
-  }
+
     return res;
+  }
 };