Little precaution code.

stampit-org · Jun 9, 2015 · 1e883ab · 1e883ab
1 parent 95efa87
commit 1e883ab
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/mixer.js b/mixer.js
@@ -107,9 +107,11 @@ function mergeUniqueSourceToTarget(srcVal, targetVal) {
   if (isObject(srcVal) && isObject(targetVal)) {
     // inception, deep merge objects
     return mergeUnique(targetVal, srcVal);
-  } else {
+  } else if (isUndefined(targetVal)) {
     // make sure arrays, regexp, date, objects are cloned
     return deepClone(srcVal);
+  } else {
+    return targetVal;
   }
 }