ability to run callbacks after each layer

layers.js

@@ -16,7 +16,8 @@ module.exports = function(server, options) {
     _.defaults(options, defaults);
 
     var layers = options.layers || getLayers(options.rootPath),
-        excludePrefix = options.excludePrefix;
+        excludePrefix = options.excludePrefix,
+        callbacks = options.callbacks || {};
 
     layers.forEach(function(layer) {
         server[layer] = loadComponents(options.rootPath + "/" + layer, layer);
@@ -81,6 +82,10 @@ module.exports = function(server, options) {
             }
         });
 
+        if(callbacks[layer]){
+            callbacks[layer]();
+        }
+
         return components;
     }
 

test/LayersTest.js

@@ -18,3 +18,22 @@ test("Ensure loader loads layers", function(t) {
     t.equal(server.services.testService.testServiceFunction(), "A Test value", "Test service function is present and returns correct value");
     t.end();
 });
+
+test("test layer callback", function(t) {
+    var layers = require('../layers'),
+        server = {};
+
+    var called = false;
+
+    layers(server, {
+        rootPath: __dirname + "/../testLayers",
+        callbacks: {
+            controllers: function(){
+                called = true;
+            }
+        }
+    });
+
+    t.ok(called, "Callback was hit");
+    t.end();
+});