From da775bcb3825f3c8a41f10a332cfece5830eb881 Mon Sep 17 00:00:00 2001
From: David Ostrovsky <david@ostrovsky.org>
Date: Fri, 7 Dec 2018 21:56:56 +0100
Subject: [PATCH] utils.js: Fix closure compiler error

Apply changes from this commit:

"Integrated internal changes from Google"
13fd045dbb2b4dacea32be162a41d5a4b0d1802f
---
 js/binary/utils.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/js/binary/utils.js b/js/binary/utils.js
index 55a9ccd4c..99283c2c9 100644
--- a/js/binary/utils.js
+++ b/js/binary/utils.js
@@ -971,9 +971,10 @@ jspb.utils.byteSourceToUint8Array = function(data) {
     return /** @type {!Uint8Array} */(new Uint8Array(data));
   }
 
-  if (data.constructor === Buffer) {
-    return /** @type {!Uint8Array} */(new Uint8Array(data));
-  }
+  if (typeof Buffer != 'undefined' && data.constructor === Buffer) {
+    return /** @type {!Uint8Array} */ (
+        new Uint8Array(/** @type {?} */ (data)));
+   }
 
   if (data.constructor === Array) {
     data = /** @type {!Array<number>} */(data);