From dbb334cd7fc0b1826484d8cc113d3e0452a91cb0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Attila=20B=C3=A1gyoni?=
 <10251730+bagyoni@users.noreply.github.com>
Date: Wed, 9 Apr 2025 20:59:00 +0200
Subject: [PATCH] Fix fake XHR result for response type `'arraybuffer'`

---
 src/loader/XHRLoader.js | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/loader/XHRLoader.js b/src/loader/XHRLoader.js
index e05115b313..2f2a337a12 100644
--- a/src/loader/XHRLoader.js
+++ b/src/loader/XHRLoader.js
@@ -27,9 +27,17 @@ var XHRLoader = function (file, globalXHRSettings)
     {
         var base64Data = file.url.split(';base64,').pop() || file.url.split(',').pop();
 
-        var fakeXHR = {
-            responseText: atob(base64Data)
-        };
+        var fakeXHR;
+
+        if (file.xhrSettings.responseType === 'arraybuffer') {
+            fakeXHR = {
+                response: Uint8Array.from(atob(base64Data), c => c.charCodeAt(0)).buffer
+            };
+        } else {
+            fakeXHR = {
+                responseText: atob(base64Data)
+            };
+        }
 
         file.onBase64Load(fakeXHR);