Module: RailsViewAnnotator

Defined in:
lib/rails_view_annotator/version.rb,
lib/rails_view_annotator/action_view/partial_renderer.rb

Defined Under Namespace

Modules: InstanceMethods

Constant Summary collapse

VERSION = 
"0.0.9"

Class Method Summary collapse

Class Method Details

.augment_partial_renderer(klass) ⇒ Object 



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# File 'lib/rails_view_annotator/action_view/partial_renderer.rb', line 2

def self.augment_partial_renderer klass
  render = klass.instance_method :render
  klass.send(:define_method, :render) do |*args|
    inner = render.bind(self).call(*args)
    return unless identifier
    short_identifier = Pathname.new(identifier).relative_path_from Rails.root

    r = /^#{Regexp.escape(Rails.root.to_s)}\/([^:]+:\d+)/
    caller.find { |line| line.match r }
    called_from = context = $1

    descriptor = "#{short_identifier} (from #{called_from})"

    if not inner.blank?
      comment_pattern = "%{partial}"

      template_formats = Array(args[1][:formats])
      if template_formats.include?(:js)
        comment_pattern = "/* begin: %{comment} */\n#{comment_pattern}/* end: %{comment} */"
      elsif template_formats.empty? || template_formats.include?(:html)
        comment_pattern = "<!-- begin: %{comment} -->\n#{comment_pattern}<!-- end: %{comment} -->"
      end

      (comment_pattern % {:partial => inner, :comment => descriptor}).html_safe
    end
  end
  klass.send(:include, InstanceMethods)
end