Switch to build-time check vs run-time for request module in browserify

package.json

@@ -24,9 +24,13 @@
     "type": "git",
     "url": "https://github.com/js-platform/filer.git"
   },
+  "browser": {
+    "request": "browser-request"
+  },
   "dependencies": {
     "bower": "~1.0.0",
-    "request": "^2.36.0"
+    "request": "^2.36.0",
+    "browser-request": "^0.3.1"
   },
   "devDependencies": {
     "chai": "~1.9.1",

src/shell/network.js

@@ -1,59 +1,22 @@
-function browserDownload(uri, callback) {
+var request = require('request');
-  var query = new XMLHttpRequest();
-  query.onload = function() {
-    var err = query.status != 200 ? { message: query.statusText, code: query.status } : null,
-        data = err ? null : new Uint8Array(query.response);
 
-    callback(err, data);
+module.exports.download = function(uri, callback) {
-  };
+  request({
-  query.open("GET", uri);
-  if("withCredentials" in query) {
-    query.withCredentials = true;
-  }
-
-  query.responseType = "arraybuffer";
-  query.send();
-}
-
-function nodeDownload(uri, callback) {
-  require('request')({
     url: uri,
     method: "GET",
     encoding: null
   }, function(err, msg, body) {
-    var data = null,
+    var statusCode;
-        arrayBuffer,
+    var error;
-        statusCode,
-        arrayLength = body && body.length,
-        error;
 
     msg = msg || null;
     statusCode = msg && msg.statusCode;
-
+    error = statusCode !== 200 ? { message: err || 'Not found!', code: statusCode } : null;
-    error = statusCode != 200 ? { message: err || 'Not found!', code: statusCode } : null;
 
     if (error) {
-      return callback(error, null);
+      callback(error, null);
+      return;
     }
-
+    callback(null, body);
-    arrayBuffer = arrayLength && new ArrayBuffer(arrayLength);
-
-    // Convert buffer to Uint8Array
-    if (arrayBuffer && (statusCode == 200)) {
-      data = new Uint8Array(arrayBuffer);
-      for (var i = 0; i < body.length; ++i) {
-        data[i] = body[i];
-      }
-    }
-
-    callback(null, data);
   });
-}
+};
-
-module.exports.download = (function() {
-  if (typeof XMLHttpRequest === 'undefined') {
-    return nodeDownload;
-  } else {
-    return browserDownload;
-  }
-}());

src/shell/shell.js

@@ -543,7 +543,7 @@ Shell.prototype.zip = function(zipfile, paths, options, callback) {
 
       // Make path relative within the zip
       var relpath = path.replace(/^\//, '');
-      zip.addFile(data, { filename: encode(relpath) });
+      zip.addFile(data, { filename: Encoding.encode(relpath) });
       callback();
     });
   }