From 95312ab53a3a118955278a27a0297a17889ad36e Mon Sep 17 00:00:00 2001
From: cjihrig <cjihrig@gmail.com>
Date: Wed, 11 May 2022 21:15:54 -0400
Subject: fix: make Performance global an EventTarget

This commit updates the Performance global to extend
EventTarget.
---
 ext/web/15_performance.js | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

(limited to 'ext/web')

diff --git a/ext/web/15_performance.js b/ext/web/15_performance.js
index 10e014008..e7eafd533 100644
--- a/ext/web/15_performance.js
+++ b/ext/web/15_performance.js
@@ -327,9 +327,14 @@
   }
   webidl.configurePrototype(PerformanceMeasure);
   const PerformanceMeasurePrototype = PerformanceMeasure.prototype;
-  class Performance {
-    constructor() {
-      webidl.illegalConstructor();
+  class Performance extends EventTarget {
+    constructor(key = null) {
+      if (key != illegalConstructorKey) {
+        webidl.illegalConstructor();
+      }
+
+      super();
+      this[webidl.brand] = webidl.brand;
     }
 
     get timeOrigin() {
@@ -572,12 +577,17 @@
   webidl.configurePrototype(Performance);
   const PerformancePrototype = Performance.prototype;
 
+  webidl.converters["Performance"] = webidl.createInterfaceConverter(
+    "Performance",
+    PerformancePrototype,
+  );
+
   window.__bootstrap.performance = {
     PerformanceEntry,
     PerformanceMark,
     PerformanceMeasure,
     Performance,
-    performance: webidl.createBranded(Performance),
+    performance: new Performance(illegalConstructorKey),
     setTimeOrigin,
   };
 })(this);
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