Unify oss and internal version of status page middleware

Reviewed By: @vjeux

Differential Revision: D2519415

fb-gh-sync-id: 2cf27c88b29c18a7a1f3aa1611f0d7f510a8fa24

packager.js

@@ -23,6 +23,7 @@ const getDevToolsMiddleware = require('./getDevToolsMiddleware');
 const openStackFrameInEditorMiddleware = require('./openStackFrameInEditorMiddleware');
 const parseCommandLine = require('./parseCommandLine.js');
 const ReactPackager = require('./react-packager');
+const statusPageMiddleware = require('./statusPageMiddleware.js');
 const webSocketProxy = require('./webSocketProxy.js');
 
 var options = parseCommandLine([{
@@ -167,17 +168,6 @@ function loadRawBody(req, res, next) {
   });
 }
 
-// A status page so the React/project.pbxproj build script
-// can verify that packager is running on 8081 and not
-// another program / service.
-function statusPageMiddleware(req, res, next) {
-  if (req.url === '/status') {
-    res.end('packager-status:running');
-  } else {
-    next();
-  }
-}
-
 function systraceProfileMiddleware(req, res, next) {
   if (req.url !== '/systrace') {
     next();

statusPageMiddleware.js

@@ -0,0 +1,21 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+'use strict';
+
+/**
+ * Status page so that anyone who needs to can verify that the packager is
+ * running on 8081 and not another program / service.
+ */
+module.exports = function(req, res, next) {
+  if (req.url === '/status') {
+    res.end('packager-status:running');
+  } else {
+    next();
+  }
+};