optimizing template compilation

src/middleware/index.js

@@ -71,9 +71,17 @@ function compileTemplates(pluginTemplates) {
 	rimraf.sync(viewsPath);
 	mkdirp.sync(viewsPath);
 
-	utils.walk(baseTemplatesPath, function(err, baseTpls) {
-		utils.walk(themeTemplatesPath, function (err, themeTpls) {
-			var paths = {};
+	async.parallel({
+		baseTpls: function(next) {
+			utils.walk(baseTemplatesPath, next);
+		},
+		themeTpls: function(next) {
+			utils.walk(themeTemplatesPath, next);
+		}
+	}, function(err, data) {
+		var baseTpls = data.baseTpls,
+			themeTpls = data.themeTpls,
+			paths = {};
 
 		if (!baseTpls || !themeTpls) {
 			winston.warn('[themes] Could not find base template files at: ' + baseTemplatesPath);
@@ -123,7 +131,6 @@ function compileTemplates(pluginTemplates) {
 			}
 		});
 	});
-	});
 }
 
 function handleErrors(err, req, res, next) {