fix: only copy own properties in clone()

Fix #7
mongoosejs · Dec 9, 2016 · dfe28ce · dfe28ce
1 parent e0cb1cb
commit dfe28ce
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/index.js b/index.js
@@ -300,9 +300,15 @@ Kareem.prototype.post = function(name, fn) {
 Kareem.prototype.clone = function() {
   var n = new Kareem();
   for (var key in this._pres) {
+    if (!this._pres.hasOwnProperty(key)) {
+      continue;
+    }
     n._pres[key] = this._pres[key].slice();
   }
   for (var key in this._posts) {
+    if (!this._pres.hasOwnProperty(key)) {
+      continue;
+    }
     n._posts[key] = this._posts[key].slice();
   }