```ruby
module WebDriverUtils
  class << self
    def require_all_pages glob_path=nil
      glob_path ||= File.join(Rake.application.original_dir, 'page', '**', '*.rb')
      Dir.glob(glob_path) { |file| require_relative file }
    end

    def define_page_methods opts={}
      page_module   = opts[:page_module] || raise('must set page_module')
      target_class  = opts[:target_class] || raise('must set target_class')
      driver_object = opts[:driver] || raise('must set driver')
      page_module.constants.each do |page_class|
        # ButtonsPage => buttons_page
        # https://github.com/rails/rails/blob/daaa21bc7d20f2e4ff451637423a25ff2d5e75c7/activesupport/lib/active_support/inflector/methods.rb#L96
        page_name = page_class.to_s.gsub(/([a-z\d])([A-Z])/, '\1_\2').downcase
        target_class.send(:define_singleton_method, page_name) do
          page_module.const_get(page_class).new driver_object
        end
      end
    end
  end # class << self
end # module WebDriverUtils
```

Add watir alias for driver opt
user
```ruby
module WebDriverUtils
  class << self
    def require_all_pages glob_path=nil
      glob_path ||= File.join(Rake.application.original_dir, 'page', '**', '*.rb')
      Dir.glob(glob_path) { |file| require_relative file }
    end

    def define_page_methods opts={}
      page_module   = opts[:page_module] || raise('must set page_module')
      target_class  = opts[:target_class] || raise('must set target_class')
      driver_object = opts[:watir] || opts[:driver] || raise('must set driver')
      page_module.constants.each do |page_class|
        # ButtonsPage => buttons_page
        # https://github.com/rails/rails/blob/daaa21bc7d20f2e4ff451637423a25ff2d5e75c7/activesupport/lib/active_support/inflector/methods.rb#L96
        page_name = page_class.to_s.gsub(/([a-z\d])([A-Z])/, '\1_\2').downcase
        target_class.send(:define_singleton_method, page_name) do
          page_module.const_get(page_class).new driver_object
        end
      end
    end
  end # class << self
end # module WebDriverUtils
```
assistant