From: Feross Aboukhadijeh <feross@feross.org>
Date: Tue, 8 Apr 2014 08:19:54 +0000 (-0700)
Subject: use simpler typedarray check
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=7380adce48b60d2e0f889dfd7411ef7873488fcb;p=buffer.git

use simpler typedarray check
---

diff --git a/index.js b/index.js
index c4ad66d..15e8ad5 100644
--- a/index.js
+++ b/index.js
@@ -90,10 +90,7 @@ function Buffer (subject, encoding, noZero) {
   }
 
   var i
-  if (Buffer._useTypedArrays && (subject instanceof Uint8Array
-      || subject instanceof Uint16Array || subject instanceof Int16Array
-      || subject instanceof Uint32Array || subject instanceof Int32Array
-      || subject instanceof Float32Array || subject instanceof Float64Array)) {
+  if (Buffer._useTypedArrays && typeof subject.byteLength === 'number') {
     // Speed optimization -- use set if we're copying from a typed array
     buf._set(subject)
   } else if (isArrayish(subject)) {