From 7e0185edfed4c44749653c43175c723c8b197419 Mon Sep 17 00:00:00 2001
From: Santiago Gimeno <santiago.gimeno@gmail.com>
Date: Mon, 6 Feb 2023 13:06:22 +0100
Subject: [PATCH] lib: predeclare Event.isTrusted prop descriptor

It improves Event creation performance.
---
 lib/internal/event_target.js | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/lib/internal/event_target.js b/lib/internal/event_target.js
index bf51d502b17371..0b7d0dda44396b 100644
--- a/lib/internal/event_target.js
+++ b/lib/internal/event_target.js
@@ -78,6 +78,13 @@ const isTrusted = ObjectGetOwnPropertyDescriptor({
   }
 }, 'isTrusted').get;
 
+const descriptor = {
+  __proto__: null,
+  get: isTrusted,
+  enumerable: true,
+  configurable: false
+};
+
 function isEvent(value) {
   return typeof value?.[kType] === 'string';
 }
@@ -113,12 +120,7 @@ class Event {
     }
 
     // isTrusted is special (LegacyUnforgeable)
-    ObjectDefineProperty(this, 'isTrusted', {
-      __proto__: null,
-      get: isTrusted,
-      enumerable: true,
-      configurable: false
-    });
+    ObjectDefineProperty(this, 'isTrusted', descriptor);
     this[kTarget] = null;
     this[kIsBeingDispatched] = false;
   }