From 1a6de156903322c39734c613def5f19e00d1a934 Mon Sep 17 00:00:00 2001
From: Matt Vollrath <matt@endpoint.com>
Date: Wed, 17 Oct 2018 01:21:43 -0400
Subject: [PATCH] Optimize byte array encoding

---
 cbor.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/cbor.js b/cbor.js
index 3e1f300..c53e43a 100644
--- a/cbor.js
+++ b/cbor.js
@@ -30,6 +30,7 @@ var POW_2_24 = 5.960464477539063e-8,
 function encode(value) {
   var data = new ArrayBuffer(256);
   var dataView = new DataView(data);
+  var byteView = new Uint8Array(data);
   var lastLength;
   var offset = 0;
 
@@ -42,6 +43,7 @@ function encode(value) {
       var oldDataView = dataView;
       data = new ArrayBuffer(newByteLength);
       dataView = new DataView(data);
+      byteView = new Uint8Array(data);
       var uint32count = (offset + 3) >> 2;
       for (var i = 0; i < uint32count; ++i)
         dataView.setUint32(i << 2, oldDataView.getUint32(i << 2));
@@ -60,9 +62,8 @@ function encode(value) {
     commitWrite(prepareWrite(1).setUint8(offset, value));
   }
   function writeUint8Array(value) {
-    var dataView = prepareWrite(value.length);
-    for (var i = 0; i < value.length; ++i)
-      dataView.setUint8(offset + i, value[i]);
+    prepareWrite(value.length);
+    byteView.set(value, offset);
     commitWrite();
   }
   function writeUint16(value) {