Reinstate Base#render_to_string. Introduce AbstractController#render_to_string which stringifies render_to_body.

1 files changed, 11 insertions, 1 deletions

diff --git a/actionpack/lib/action_controller/abstract/renderer.rb b/actionpack/lib/action_controller/abstract/renderer.rb
index eb248652a8..2a68f048bd 100644
--- a/actionpack/lib/action_controller/abstract/renderer.rb
+++ b/actionpack/lib/action_controller/abstract/renderer.rb
@@ -20,7 +20,7 @@ module AbstractController
       self.response_body = render_to_body(options)
     end
     
-    # Raw rendering of a template.
+    # Raw rendering of a template to a Rack-compatible body.
     # ====
     # @option _prefix<String> The template's path prefix
     # @option _layout<String> The relative path to the layout template to use
@@ -33,6 +33,16 @@ module AbstractController
       _render_template(template, options)
     end
 
+    # Raw rendering of a template to a string.
+    # ====
+    # @option _prefix<String> The template's path prefix
+    # @option _layout<String> The relative path to the layout template to use
+    # 
+    # :api: plugin
+    def render_to_string(options = {})
+      Rack::Utils.body_to_s(render_to_body(options)).to_ary.join
+    end
+
     def _render_template(template, options)
       _action_view._render_template_with_layout(template)
     end