fix: sortObject should not introduce formerly non-existent fields

(cherry picked from commit e585fc3)
vuejs · Oct 10, 2019 · 8feaef0 · 8feaef0
1 parent a0fc87a
commit 8feaef0
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/packages/@vue/cli/lib/util/sortObject.js b/packages/@vue/cli/lib/util/sortObject.js
@@ -4,8 +4,10 @@ module.exports = function sortObject (obj, keyOrder, dontSortByUnicode) {
 
   if (keyOrder) {
     keyOrder.forEach(key => {
-      res[key] = obj[key]
-      delete obj[key]
+      if (obj.hasOwnProperty(key)) {
+        res[key] = obj[key]
+        delete obj[key]
+      }
     })
   }