refactor: update runtime code for primordial check x in y (#13642)

Co-authored-by: Yoshiya Hinosawa <stibium121@gmail.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/ext/webstorage/01_webstorage.js b/ext/webstorage/01_webstorage.js
index 6640c04e5..5b9cccd6d 100644
--- a/ext/webstorage/01_webstorage.js
+++ b/ext/webstorage/01_webstorage.js
@@ -13,6 +13,7 @@
     ObjectFromEntries,
     ObjectEntries,
     ReflectGet,
+    ReflectHas,
     Proxy,
   } = window.__bootstrap.primordials;
 
@@ -113,7 +114,7 @@
       },
       get(target, key) {
         if (typeof key == "symbol") return target[key];
-        if (key in target) {
+        if (ReflectHas(target, key)) {
           return ReflectGet(...new SafeArrayIterator(arguments));
         } else {
           return target.getItem(key) ?? undefined;
@@ -141,7 +142,7 @@
         if (arguments.length === 1) {
           return undefined;
         }
-        if (key in target) {
+        if (ReflectHas(target, key)) {
           return undefined;
         }
         const value = target.getItem(key);