Class: HoTModuLe::ComponentRenderer

Inherits:
Bridgetown::Builder
  • Object
show all
Defined in:
lib/hot_module/component_renderer.rb

Instance Method Summary collapse

Instance Method Details

#build ⇒ Object 



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# File 'lib/hot_module/component_renderer.rb', line 5

def build
  render_html_modules
end

#render_html_modules ⇒ Object

rubocop:todo Metrics



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# File 'lib/hot_module/component_renderer.rb', line 10

def render_html_modules
  inspect_html do |doc, resource|
    view_context = Bridgetown::ERBView.new(resource)

    HoTModuLe.registered_elements.each do |component|
      tag_name = component.tag_name
      doc.xpath("//#{tag_name}").reverse.each do |node|
        if node["hmod:ignore"]
          node.remove_attribute("hmod:ignore")
          next
        end

        attrs = node.attributes.transform_values(&:value)
        attrs.reject! { |k| k.start_with?("hmod:") }

        new_attrs = {}
        attrs.each do |k, v|
          next unless k.start_with?("arg:")

          new_key = k.delete_prefix("arg:")
          attrs.delete(k)
          new_attrs[new_key] = resource.instance_eval(v)
        end
        attrs.merge!(new_attrs)
        attrs.transform_keys!(&:to_sym)

        new_node = node.replace(
          component.new(**attrs).render_in(view_context, rendering_mode: :node) { node.children }
        )
        new_node.remove_attribute("hmod:ignore")
      end
    rescue StandardError => e
      Bridgetown.logger.error "Unable to render <#{tag_name}> (#{component}) in #{resource.path}"
      raise e
    end
  end
end