From c391d8a73c1a030c24845bc191b021bfb6cba256 Mon Sep 17 00:00:00 2001
From: Faisal Salman <f@faisalman.com>
Date: Sat, 27 Jul 2024 10:57:11 +0700
Subject: [PATCH] Update `isAppleSilicon()` helper method to also check for
 WebGL renderer info #732

---
 src/helpers/ua-parser-helpers.js | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/helpers/ua-parser-helpers.js b/src/helpers/ua-parser-helpers.js
index 74923e1..3c7d399 100644
--- a/src/helpers/ua-parser-helpers.js
+++ b/src/helpers/ua-parser-helpers.js
@@ -9,7 +9,25 @@
 
 const { CPU, OS, Engine } = require('../enums/ua-parser-enums');
 
-const isAppleSilicon = (res) => res.os.is(OS.MACOS) && res.cpu.is(CPU.ARM);
+const isAppleSilicon = (res) => {
+    if (res.os.is(OS.MACOS)) {
+        if (res.cpu.is(CPU.ARM)) {
+            return true;
+        }
+        try {
+            const canvas = document.createElement('canvas');
+            const webgl = canvas.getContext('webgl2') || canvas.getContext('webgl') || canvas.getContext('experimental-webgl');
+            const debug = webgl.getExtension('WEBGL_debug_renderer_info');
+            const renderer = webgl.getParameter(debug.UNMASKED_RENDERER_WEBGL);
+            if (renderer.match(/apple m\d/i)) {
+                return true;
+            }
+        } catch {
+            return false;
+        }
+    }
+    return false;
+}
 
 const isChromeFamily = (res) => res.engine.is(Engine.BLINK);