From: Feross Aboukhadijeh <feross@feross.org>
Date: Wed, 20 Apr 2016 05:45:26 +0000 (-0700)
Subject: check that ArrayBuffer.isView exists
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=b1dabee94ad07db0a4bcd99ce4f0283bbe80b5e6;p=buffer.git

check that ArrayBuffer.isView exists

For IE10
---

diff --git a/index.js b/index.js
index 27f4fcd..12a7190 100644
--- a/index.js
+++ b/index.js
@@ -394,7 +394,7 @@ function byteLength (string, encoding) {
   if (Buffer.isBuffer(string)) {
     return string.length
   }
-  if (typeof ArrayBuffer !== 'undefined' &&
+  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
       (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
     return string.byteLength
   }