From: James Halliday <mail@substack.net>
Date: Wed, 11 Dec 2013 01:04:16 +0000 (-0800)
Subject: using typedarray
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=22bd9bc49f6cec66a5d9b05d3b415cf119d4349f;p=buffer.git

using typedarray
---

diff --git a/index.js b/index.js
index 9077ea5..6a14f49 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,11 @@
+var TA = require('typedarray')
+var xDataView = typeof DataView === 'undefined'
+  ? TA.DataView : DataView
+var xArrayBuffer = typeof ArrayBuffer === 'undefined'
+  ? TA.ArrayBuffer : ArrayBuffer
+var xUint8Array = typeof Uint8Array === 'undefined'
+  ? TA.Uint8Array : Uint8Array
+
 exports.Buffer = Buffer
 exports.SlowBuffer = Buffer
 exports.INSPECT_MAX_BYTES = 50
@@ -44,7 +52,7 @@ function Buffer (subject, encoding) {
   else
     throw new Error('First argument needs to be a number, array or string.')
 
-  var buf = augment(new Uint8Array(length))
+  var buf = augment(new xUint8Array(length))
   if (Buffer.isBuffer(subject)) {
     // Speed optimization -- use set if we're copying from a Uint8Array
     buf.set(subject)
@@ -843,7 +851,7 @@ function stringtrim (str) {
  * @return {boolean}
  */
 function _browserSupport () {
-  var arr = new Uint8Array(0)
+  var arr = new xUint8Array(0)
   arr.foo = function () { return 42 }
 
   try {
diff --git a/package.json b/package.json
index 0484a72..41485f8 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,8 @@
   "description": "buffer module compatibility for browserify (backed by ArrayBuffer so its fast!)",
   "main": "index.js",
   "dependencies": {
-    "base64-js": "0.0.4"
+    "base64-js": "0.0.4",
+    "typedarray": "~0.0.0"
   },
   "devDependencies": {
     "tape": "~2.1.0",
diff --git a/test/basic.js b/test/basic.js
index 5845dcd..f7c6a45 100644
--- a/test/basic.js
+++ b/test/basic.js
@@ -1,5 +1,10 @@
 var B = require('../index.js').Buffer
 var test = require('tape')
+var TA = require('typedarray')
+var xUint16Array = typeof Uint16Array === 'undefined'
+  ? TA.Uint16Array : Uint16Array
+var xUint8Array = typeof Uint8Array === 'undefined'
+  ? TA.Uint8Array : Uint8Array
 
 test('new buffer from array', function (t) {
     t.plan(1)
@@ -20,7 +25,7 @@ test('new buffer from string', function (t) {
 })
 
 function arraybufferToString (arraybuffer) {
-  return String.fromCharCode.apply(null, new Uint16Array(arraybuffer))
+  return String.fromCharCode.apply(null, new xUint16Array(arraybuffer))
 }
 
 test('buffer toArrayBuffer()', function (t) {
@@ -28,7 +33,7 @@ test('buffer toArrayBuffer()', function (t) {
     var data = [1, 2, 3, 4, 5, 6, 7, 8]
     t.equal(
         arraybufferToString(new B(data).toArrayBuffer()),
-        arraybufferToString(new Uint8Array(data).buffer)
+        arraybufferToString(new xUint8Array(data).buffer)
     )
     t.end()
 })