updated app

first-project/node_modules/derby/lib/refresh.server.js

@@ -0,0 +1,75 @@
+var isProduction = require('racer').util.isProduction
+  , files = require('./files')
+  , refresh = module.exports = require('./refresh');
+
+refresh.cssError = cssError;
+refresh.templateError = templateError;
+refresh.autoRefresh = autoRefresh;
+
+function cssError(err) {
+  if (err.stack) {
+    console.error('\nCSS PARSE ERROR\n' + err.stack);
+    return err.stack;
+  } else {
+    console.error('\nCSS PARSE ERROR\n' + err.message + '\n' + err.filename);
+    return err.message + '\n' + err.filename;
+  }
+}
+
+function templateError(err) {
+  console.error('\nTEMPLATE ERROR\n' + err.stack);
+  return err.stack;
+}
+
+function autoRefresh(store, options, view) {
+  if (isProduction || store._derbySocketsSetup) return;
+  store._derbySocketsSetup = true;
+  var listeners = {};
+
+  store.sockets.on('connection', function(socket) {
+    socket.on('derbyClient', function(appHash, callback) {
+      var appFilename, reload, sockets;
+      reload = appHash !== view._appHash;
+      callback(reload);
+      if (reload) return;
+
+      appFilename = view._appFilename;
+      if (listeners[appFilename]) {
+        return listeners[appFilename].push(socket);
+      }
+
+      sockets = listeners[appFilename] = [socket];
+      addWatches(appFilename, options, sockets, view);
+    });
+  });
+}
+
+function addWatches(appFilename, options, sockets, view) {
+  var parsed = files.parseName(appFilename, options)
+    , root = parsed.root
+    , clientName = parsed.clientName;
+
+  files.watch(root, 'css', function() {
+    view._loadCss(root, clientName, function(err, css) {
+      var errText;
+      if (err) errText = cssError(err);
+      for (var i = sockets.length; i--;) {
+        sockets[i].emit('refreshCss', errText, css);
+      }
+    });
+  });
+
+  files.watch(root, 'html', function() {
+    view._loadTemplates(root, clientName, function(err, templates, instances, libraryData) {
+      var errText;
+      if (err) errText = templateError(err);
+      for (var i = sockets.length; i--;) {
+        sockets[i].emit('refreshHtml', errText, templates, instances, libraryData);
+      }
+    });
+  });
+
+  files.watch(root, 'js', function() {
+    process.send({type: 'reload'});
+  });
+}