deepDiffer should support explicitly undefined values

2026-04-29 04:35:36 +08:00 · 2015-03-13 15:26:58 -07:00
parent 28e38afb68
commit b51f51e47d
1 changed files with 1 additions and 1 deletions
--- a/Libraries/Utilities/differ/deepDiffer.js
+++ b/Libraries/Utilities/differ/deepDiffer.js
@@ -38,7 +38,7 @@ var deepDiffer = function(one: any, two: any): bool {
  for (var twoKey in two) {
    // The only case we haven't checked yet is keys that are in two but aren't
    // in one, which means they are different.
-    if (one[twoKey] === undefined) {
+    if (one[twoKey] === undefined && two[twoKey] !== undefined) {
      return true;
    }
  }