fix: allow merge() to not clone

mongoosejs · Sep 10, 2018 · e628d65 · e628d65
1 parent 4625a64
commit e628d65
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/index.js b/index.js
@@ -391,8 +391,9 @@ Kareem.prototype.clone = function() {
   return n;
 };
 
-Kareem.prototype.merge = function(other) {
-  var ret = this.clone();
+Kareem.prototype.merge = function(other, clone) {
+  clone = arguments.length === 1 ? true : clone;
+  var ret = clone ? this.clone() : ret;
 
   for (let key of other._pres.keys()) {
     const sourcePres = get(ret._pres, key, []);