Class: InertiaRails::Renderer

Inherits:
Object
  • Object
show all
Defined in:
lib/inertia_rails/renderer.rb

Instance Method Summary collapse

Constructor Details

#initialize(component, controller, request, response, render_method, **options) ⇒ Renderer

Returns a new instance of Renderer.



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# File 'lib/inertia_rails/renderer.rb', line 15

def initialize(component, controller, request, response, render_method, **options)
  if component.is_a?(Hash) && options.key?(:props)
    raise ArgumentError,
          'Parameter `props` is not allowed when passing a Hash as the first argument'
  end

  @controller = controller
  @configuration = controller.__send__(:inertia_configuration)
  @request = request
  @response = response
  @render_method = render_method
  @view_data = options.fetch(:view_data, {})
  @encrypt_history = options.fetch(:encrypt_history, @configuration.encrypt_history)
  @clear_history = options.fetch(:clear_history, controller.session[:inertia_clear_history] || false)
  @preserve_fragment = options.fetch(:preserve_fragment, controller.session[:inertia_preserve_fragment] || false)
  @layout_override = options.fetch(:layout) { @configuration.layout }
  @ssr_cache = options[:ssr_cache]

  deep_merge = options.fetch(:deep_merge, @configuration.deep_merge_shared_data)
  passed_props = options.fetch(:props,
                               component.is_a?(Hash) ? component : @controller.__send__(:inertia_view_assigns))
  shared = shared_data
  @shared_keys = @configuration.expose_shared_prop_keys ? extract_shared_keys(shared) : nil
  @props = merge_props(shared, passed_props, deep_merge)

  @component = resolve_component(component)

  @controller.instance_variable_set('@_inertia_rendering', true)
  controller.inertia_meta.add(options[:meta]) if options[:meta]
end

Instance Method Details

#render ⇒ Object 



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# File 'lib/inertia_rails/renderer.rb', line 46

def render
  @response.headers['Vary'] = if @response.headers['Vary'].blank?
                                'X-Inertia'
                              else
                                "#{@response.headers['Vary']}, X-Inertia"
                              end
  if @request.inertia?
    @response.set_header('X-Inertia', 'true')
    @render_method.call json: page.to_json, status: @response.status, content_type: Mime[:json]
  else
    ssr = @configuration.ssr_enabled && ssr_render
    if ssr
      @controller.instance_variable_set('@_inertia_ssr_head', ssr['head'].join.html_safe)
      @render_method.call html: ssr['body'].html_safe, layout: layout, locals: @view_data.merge(page: page)
    else
      @controller.instance_variable_set('@_inertia_page', page)
      @render_method.call template: 'inertia', layout: layout, locals: @view_data.merge(page: page)
    end
  end
end