A bit of code cleanup

lib/adapters/xhr.js

@@ -40,8 +40,8 @@ module.exports = function xhrAdapter(resolve, reject, config) {
   request.timeout = config.timeout;
 
   // For IE 9 CORS support.
-  request.onprogress = function() {};
-  request.ontimeout = function() {};
+  request.onprogress = function handleProgress() {};
+  request.ontimeout = function handleTimeout() {};
 
   // Listen for ready state
   request[loadEvent] = function handleLoad() {
@@ -147,10 +147,6 @@ module.exports = function xhrAdapter(resolve, reject, config) {
     }
   }
 
-  if (utils.isArrayBuffer(requestData)) {
-    requestData = new DataView(requestData);
-  }
-
   // Handle progress if needed
   if (config.progress) {
     if (config.method === 'post' || config.method === 'put') {
@@ -160,10 +156,14 @@ module.exports = function xhrAdapter(resolve, reject, config) {
     }
   }
 
-  // Clean up request
-  requestData = (requestData === undefined)
-                ? null
-                : requestData;
+  // Format request data
+  if (utils.isArrayBuffer(requestData)) {
+    requestData = new DataView(requestData);
+  }
+
+  if (requestData === undefined) {
+    requestData = null;
+  }
 
   // Send the request
   request.send(requestData);