Fix a Bug with webpacker generator (#1106)

* intial commit

* Fix missing newline at end of webpacker_assets_generator.rb

Add missing newline at end of file for consistency.

Author: lodewiges

config/application.rb

@@ -14,7 +14,7 @@ class Application < Rails::Application
     # Please, add to the `ignore` list any other `lib` subdirectories that do
     # not contain `.rb` files, or that should not be reloaded or eager loaded.
     # Common ones are `templates`, `generators`, or `middleware`, for example.
-    config.autoload_lib(ignore: %w[assets tasks generators])
+    config.autoload_lib(ignore: %w[assets tasks])
 
     # Configuration for the application, engines, and railties goes here.
     #

lib/generators/rails/webpacker_assets/webpacker_assets_generator.rb

@@ -1,12 +1,18 @@
-module Rails
-  class WebpackerAssetsGenerator < Rails::Generators::NamedBase
-    def create_assets_file
-      create_file "app/javascript/packs/#{file_name}.js", <<-FILE
-    your content
-      FILE
-      create_file "app/assets/stylesheets/#{file_name}.scss", <<-FILE
-    your content
-      FILE
+require 'rails/generators'
+
+module Generators
+  module Rails
+    module WebpackerAssets
+      class WebpackerAssetsGenerator < ::Rails::Generators::NamedBase
+        def create_assets_file
+          create_file "app/javascript/packs/#{file_name}.js", <<-FILE
+        // your content
+          FILE
+          create_file "app/assets/stylesheets/#{file_name}.scss", <<-FILE
+        // your content
+          FILE
+        end
+      end
     end
   end
 end