From e0ad0530f64d7cc01514b65d819b7f76db5f0da4 Mon Sep 17 00:00:00 2001
From: Paul Miller <paul@paulmillr.com>
Date: Sun, 10 Nov 2024 21:42:10 +0000
Subject: [PATCH] Speed-up byte array checks

---
 src/abstract/utils.ts | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/abstract/utils.ts b/src/abstract/utils.ts
index 26a223b..81c4001 100644
--- a/src/abstract/utils.ts
+++ b/src/abstract/utils.ts
@@ -17,10 +17,7 @@ export type CHash = {
 export type FHash = (message: Uint8Array | string) => Uint8Array;
 
 export function isBytes(a: unknown): a is Uint8Array {
-  return (
-    a instanceof Uint8Array ||
-    (a != null && typeof a === 'object' && a.constructor.name === 'Uint8Array')
-  );
+  return a instanceof Uint8Array || (ArrayBuffer.isView(a) && a.constructor.name === 'Uint8Array');
 }
 
 export function abytes(item: unknown): void {