From 86d5271ef393fd0edf9593b0bd43d431f2a395cc Mon Sep 17 00:00:00 2001
From: NullVoxPopuli <199018+NullVoxPopuli@users.noreply.github.com>
Date: Tue, 30 Apr 2024 05:23:37 -0400
Subject: [PATCH] fix(core): check existance of `Buffer.isBuffer`, fix #664
 (#666)

---
 packages/core/src/oniguruma/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/core/src/oniguruma/index.ts b/packages/core/src/oniguruma/index.ts
index 50036c3dd..f25b1e81b 100644
--- a/packages/core/src/oniguruma/index.ts
+++ b/packages/core/src/oniguruma/index.ts
@@ -378,7 +378,7 @@ function isResponse(dataOrOptions: any): dataOrOptions is Response {
 function isArrayBuffer(data: any): data is ArrayBuffer | ArrayBufferView {
   return (typeof ArrayBuffer !== 'undefined' && (data instanceof ArrayBuffer || ArrayBuffer.isView(data)))
     // eslint-disable-next-line node/prefer-global/buffer
-    || (typeof Buffer !== 'undefined' && Buffer.isBuffer(data))
+    || (typeof Buffer !== 'undefined' && Buffer.isBuffer?.(data))
     || (typeof SharedArrayBuffer !== 'undefined' && data instanceof SharedArrayBuffer)
     || (typeof Uint32Array !== 'undefined' && data instanceof Uint32Array)
 }