fix(ext/webstorage): make `getOwnPropertyDescriptor` with symbol return `undefined` (#13348)

Closes #13347

2 files changed, 8 insertions, 0 deletions

diff --git a/ext/webstorage/01_webstorage.js b/ext/webstorage/01_webstorage.js
index 3cbdd708d..9e8636656 100644
--- a/ext/webstorage/01_webstorage.js
+++ b/ext/webstorage/01_webstorage.js
@@ -143,6 +143,9 @@ function createStorage(persistent) {
       if (ReflectHas(target, key)) {
         return undefined;
       }
+      if (typeof key === "symbol") {
+        return undefined;
+      }
       const value = target.getItem(key);
       if (value === null) {
         return undefined;
diff --git a/tests/unit/webstorage_test.ts b/tests/unit/webstorage_test.ts
index 9dc560af1..aa832b1c4 100644
--- a/tests/unit/webstorage_test.ts
+++ b/tests/unit/webstorage_test.ts
@@ -50,3 +50,8 @@ Deno.test(function webstorageProxy() {
   assertEquals(localStorage[symbol as any], "bar");
   assertEquals(symbol in localStorage, true);
 });
+
+Deno.test(function webstorageGetOwnPropertyDescriptorSymbol() {
+  localStorage.clear();
+  Object.getOwnPropertyDescriptor(localStorage, Symbol("foo"));
+});