Contents

# encoding: utf-8
module Middleman
  module Presentation
    module Helpers
      # Meta daa helper
      module Metadata
        def metadata_markup(requested_fields, allowed_fields)
          requested_fields = Array(requested_fields).map(&:to_sym)
          allowed_fields   = Array(allowed_fields).map(&:to_sym)
          unknown_fields   = requested_fields - allowed_fields

          fail ArgumentError, Middleman::Presentation.t('errors.unknown_metadata_fields', fields: unknown_fields.to_list, count: unknown_fields.size) unless unknown_fields.blank?

          Erubis::Eruby.new(template).result(fields: requested_fields).chomp
        end

        private

        def template
          <<-EOS.strip_heredoc
          <%- fields.each do |f| -%>
          <span class="mp-meta-<%= f %>"><%= Middleman::Presentation.config.public_send f %></span>
          <%- end -%>
          EOS
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
middleman-presentation-helpers-0.1.0.beta	lib/middleman-presentation-helpers/helpers/metadata.rb