Initialize routes per Rails::Engine Initializer

README.md

@@ -70,15 +70,7 @@ Add an initializer to your Rails project in which you tell Smurfville where it c
     if defined?(Smurfville)
       Smurfville.sass_directory = Rails.root.join('app', 'assets', 'stylesheets').to_s
     end
-
-Mount the `Smurfville::Engine` in your routes:
-
-    # config/routes.rb
 
-    if defined?(Smurfville)
-      mount Smurfville::Engine => "/smurfville"
-    end
-
 Restart your server and you should be able to access the SMURF pages, e.g. `yourapp.com/smurfville/colors`
 
 ## Screenshot

lib/smurfville/engine.rb

@@ -1,5 +1,11 @@
 module Smurfville
   class Engine < ::Rails::Engine
     isolate_namespace Smurfville
+
+    initializer "smurfville.routes" do |app|
+      app.routes.prepend do
+        mount Smurfville::Engine => "/smurfville"
+      end
+    end
   end
 end

test/dummy/config/routes.rb

@@ -1,4 +1,2 @@
 Rails.application.routes.draw do
-
-  mount Smurfville::Engine => "/smurfville"
 end