From c0d166b86197c132daa9fda314407a1e92462cd7 Mon Sep 17 00:00:00 2001
From: Theodore Ni <tni@linkedin.com>
Date: Sat, 25 Jun 2016 22:12:44 -0700
Subject: [PATCH] Require base64-arraybuffer module conditionally.

Since base64-arraybuffer version 0.1.5 introduced a change that fails
at require time in a browser without ArrayBuffer support, the require
must be guarded.
---
 lib/browser.js | 8 ++++++--
 package.json   | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/browser.js b/lib/browser.js
index 79b9fefb03..2d12750100 100644
--- a/lib/browser.js
+++ b/lib/browser.js
@@ -5,10 +5,14 @@
 var keys = require('./keys');
 var hasBinary = require('has-binary');
 var sliceBuffer = require('arraybuffer.slice');
-var base64encoder = require('base64-arraybuffer');
 var after = require('after');
 var utf8 = require('utf8');
 
+var base64encoder;
+if (global.ArrayBuffer) {
+  base64encoder = require('base64-arraybuffer');
+}
+
 /**
  * Check if we are running an android browser. That requires us to use
  * ArrayBuffer with polling transports...
@@ -262,7 +266,7 @@ exports.decodePacket = function (data, binaryType, utf8decode) {
 
 exports.decodeBase64Packet = function(msg, binaryType) {
   var type = packetslist[msg.charAt(0)];
-  if (!global.ArrayBuffer) {
+  if (!base64encoder) {
     return { type: type, data: { base64: true, data: msg.substr(1) } };
   }
 
diff --git a/package.json b/package.json
index 0b3bbc4fc6..4921869006 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "after": "0.8.1",
     "arraybuffer.slice": "0.0.6",
-    "base64-arraybuffer": "0.1.2",
+    "base64-arraybuffer": "0.1.5",
     "blob": "0.0.4",
     "has-binary": "0.1.6",
     "utf8": "2.1.0"