From 7f148b5c34b5b88856183de3f1f8fa86f565ece6 Mon Sep 17 00:00:00 2001
From: Yotam Mann <yotammann@gmail.com>
Date: Wed, 25 Oct 2017 23:01:26 -0400
Subject: [PATCH] moving shim to another file

---
 Tone/core/Buffer.js      | 25 ++-----------------------
 Tone/shim/AudioBuffer.js | 26 ++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 23 deletions(-)
 create mode 100644 Tone/shim/AudioBuffer.js

diff --git a/Tone/core/Buffer.js b/Tone/core/Buffer.js
index 10d52fc3..3773deed 100644
--- a/Tone/core/Buffer.js
+++ b/Tone/core/Buffer.js
@@ -1,28 +1,7 @@
-define(["Tone/core/Tone", "Tone/core/Emitter", "Tone/type/Type"], function(Tone){
+define(["Tone/core/Tone", "Tone/core/Emitter", "Tone/type/Type", "Tone/shim/AudioBuffer"], function(Tone){
 
 	"use strict";
 
-	/**
-	 *  AudioBuffer.copyToChannel polyfill
-	 *  @private
-	 */
-	if (window.AudioBuffer && !AudioBuffer.prototype.copyToChannel){
-		AudioBuffer.prototype.copyToChannel = function(src, chanNum, start){
-			var channel = this.getChannelData(chanNum);
-			start = start || 0;
-			for (var i = 0; i < channel.length; i++){
-				channel[i+start] = src[i];
-			}
-		};
-		AudioBuffer.prototype.copyFromChannel = function(dest, chanNum, start){
-			var channel = this.getChannelData(chanNum);
-			start = start || 0;
-			for (var i = 0; i < dest.length; i++){
-				dest[i] = channel[i+start];
-			}
-		};
-	}
-
 	/**
 	 *  @class  Buffer loading and storage. Tone.Buffer is used internally by all
 	 *          classes that make requests for audio files such as Tone.Player,
@@ -371,7 +350,7 @@ define(["Tone/core/Tone", "Tone/core/Emitter", "Tone/type/Type"], function(Tone)
 
 	//statically inherits Emitter methods
 	Tone.Emitter.mixin(Tone.Buffer);
-	
+
 	/**
 	 *  the static queue for all of the xhr requests
 	 *  @type {Array}
diff --git a/Tone/shim/AudioBuffer.js b/Tone/shim/AudioBuffer.js
new file mode 100644
index 00000000..67e9847f
--- /dev/null
+++ b/Tone/shim/AudioBuffer.js
@@ -0,0 +1,26 @@
+define(["Tone/core/Tone"], function(Tone){
+
+	/**
+	 *  AudioBuffer.copyTo/FromChannel polyfill
+	 *  @private
+	 */
+	if (Tone.supported){
+		if(!AudioBuffer.prototype.copyToChannel){
+			AudioBuffer.prototype.copyToChannel = function(src, chanNum, start){
+				var channel = this.getChannelData(chanNum);
+				start = start || 0;
+				for (var i = 0; i < channel.length; i++){
+					channel[i+start] = src[i];
+				}
+			};
+			AudioBuffer.prototype.copyFromChannel = function(dest, chanNum, start){
+				var channel = this.getChannelData(chanNum);
+				start = start || 0;
+				for (var i = 0; i < dest.length; i++){
+					dest[i] = channel[i+start];
+				}
+			};
+		}
+	}
+
+});