resolve_asset_source

# File actionview/lib/action_view/helpers/asset_tag_helper.rb, line 603
        def resolve_asset_source(asset_type, source, skip_pipeline)
          if source.is_a?(Symbol) || source.is_a?(String)
            path_to_asset(source, type: asset_type.to_sym, skip_pipeline: skip_pipeline)
          else
            polymorphic_url(source)
          end
        rescue NoMethodError => e
          raise ArgumentError, "Can't resolve #{asset_type} into URL: #{e}"
        end