From 156fef9ceae212950f7355d5e3ca8d6e4890cfe0 Mon Sep 17 00:00:00 2001
From: Kenta Moriuchi <moriken@kimamass.com>
Date: Thu, 22 Dec 2022 10:54:38 +0900
Subject: fix(ext): Add checks for owning properties in for-in loops (#17139)

In the for-in loops, there were a few places where we forgot to check if
objects owned some properties, so I added them.
---
 ext/webidl/00_webidl.js | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'ext/webidl')

diff --git a/ext/webidl/00_webidl.js b/ext/webidl/00_webidl.js
index dafade99d..c7825b8a2 100644
--- a/ext/webidl/00_webidl.js
+++ b/ext/webidl/00_webidl.js
@@ -1013,6 +1013,9 @@
   function configurePrototype(prototype) {
     const descriptors = ObjectGetOwnPropertyDescriptors(prototype.prototype);
     for (const key in descriptors) {
+      if (!ObjectPrototypeHasOwnProperty(descriptors, key)) {
+        continue;
+      }
       if (key === "constructor") continue;
       const descriptor = descriptors[key];
       if (
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