Module: ViewComponent::Styles::Component

Defined in:
lib/view_component/styles/component.rb

Instance Method Summary collapse

Instance Method Details

#asset_exists?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/view_component/styles/component.rb', line 6

def asset_exists?(path)
  if Rails.configuration.assets.compile
    # Dynamic compilation
    Rails.application.assets.find_asset(path).present?
  else
    # Pre-compiled
    Rails.application.assets_manifest.assets[path].present?
  end
end

#component_stylesheet_name ⇒ Object 



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# File 'lib/view_component/styles/component.rb', line 16

def component_stylesheet_name
  "#{name.underscore}.css"
end

#inherited(subclass) ⇒ Object 



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# File 'lib/view_component/styles/component.rb', line 20

def inherited(subclass)
  super
  subclass.include(ViewComponent::Styles::Helper)

  component_stylesheet_name = subclass.component_stylesheet_name

  subclass.prepend(Module.new.tap do |m|
    m.class_eval(<<-RUBY, __FILE__, __LINE__ + 1)
      # def before_render
      #   super
      #   return unless self.class.asset_exists?("example")
      #   singleton_stylesheet_link_tag("example")
      # end
      def before_render
        super
        return unless self.class.asset_exists?(#{component_stylesheet_name.inspect})
        singleton_stylesheet_link_tag(#{component_stylesheet_name.inspect})
      end
    RUBY
  end)
end