From 8a6e644fc0c0b9da7cfd16a650a1aa6772dd08bc Mon Sep 17 00:00:00 2001
From: Marcel Mraz <marcel@excalidraw.com>
Date: Tue, 20 Aug 2024 14:21:40 +0200
Subject: [PATCH] Fix issues with ArrayBuffer when running inside VM

---
 packages/excalidraw/fonts/wasm/woff2.bindings.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/excalidraw/fonts/wasm/woff2.bindings.ts b/packages/excalidraw/fonts/wasm/woff2.bindings.ts
index c9813f604..a34c8e6b7 100644
--- a/packages/excalidraw/fonts/wasm/woff2.bindings.ts
+++ b/packages/excalidraw/fonts/wasm/woff2.bindings.ts
@@ -6,6 +6,7 @@
  * 
  * CHANGELOG:
  * - replaced existing exports with default esm export (`export default Module;`)
+ * - replaced "instanceof ArrayBuffer" with "Object.prototype.toString.call(d) === "[object ArrayBuffer]", due to unreliability of different ArrayBuffer instances depending on the context (i.e. inside VM)
 
 The MIT License (MIT)
 
@@ -2780,7 +2781,7 @@ const Module = (function () {
           return str;
         },
         toWireType(destructors, value) {
-          if (value instanceof ArrayBuffer) {
+          if (Object.prototype.toString.call(d) === "[object ArrayBuffer]") {
             value = new Uint8Array(value);
           }
           let getLength;