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-rw-r--r--actionpack/CHANGELOG2
-rw-r--r--actionpack/lib/action_view/base.rb23
-rw-r--r--actionpack/test/controller/new_render_test.rb6
-rw-r--r--actionpack/test/fixtures/test/greeting.js.rjs1
4 files changed, 30 insertions, 2 deletions
diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index b141f26288..4413ed3477 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* Added that requests with JavaScript as the priority mime type in the accept header and no format extension in the parameters will be treated as though their format was :js when it comes to determining which template to render. This makes it possible for JS requests to automatically render action.js.rjs files without an explicit respond_to block [DHH]
+
* Tests for distance_of_time_in_words with TimeWithZone instances. Closes #10914 [ernesto.jimenez]
* Remove support for multivalued (e.g., '&'-delimited) cookies. [Jamis Buck]
diff --git a/actionpack/lib/action_view/base.rb b/actionpack/lib/action_view/base.rb
index 9217d5ae0c..f5346bd480 100644
--- a/actionpack/lib/action_view/base.rb
+++ b/actionpack/lib/action_view/base.rb
@@ -344,10 +344,29 @@ If you are rendering a subtemplate, you must now use controller-like partial syn
end
# symbolized version of the :format parameter of the request, or :html by default.
+ #
+ # EXCEPTION: If the :format parameter is not set, the Accept header will be examined for
+ # whether it contains the JavaScript mime type as its first priority. If that's the case,
+ # it will be used. This ensures that Ajax applications can use the same URL to support both
+ # JavaScript and non-JavaScript users.
def template_format
return @template_format if @template_format
- format = controller && controller.respond_to?(:request) && controller.request.parameters[:format]
- @template_format = format.blank? ? :html : format.to_sym
+
+ if controller && controller.respond_to?(:request)
+ parameter_format = controller.request.parameters[:format]
+ accept_format = controller.request.accepts.first
+
+ case
+ when parameter_format.blank? && accept_format != :js
+ @template_format = :html
+ when parameter_format.blank? && accept_format == :js
+ @template_format = :js
+ else
+ @template_format = parameter_format.to_sym
+ end
+ else
+ @template_format = :html
+ end
end
private
diff --git a/actionpack/test/controller/new_render_test.rb b/actionpack/test/controller/new_render_test.rb
index 4d62647e8b..928c46cb6d 100644
--- a/actionpack/test/controller/new_render_test.rb
+++ b/actionpack/test/controller/new_render_test.rb
@@ -550,6 +550,12 @@ EOS
assert_equal "<p>This is grand!</p>\n", @response.body
end
+ def test_render_with_default_from_accept_header
+ @request.env["HTTP_ACCEPT"] = "text/javascript"
+ get :greeting
+ assert_equal "$(\"body\").visualEffect(\"highlight\");", @response.body
+ end
+
def test_render_rjs_with_default
get :delete_with_js
assert_equal %!Element.remove("person");\nnew Effect.Highlight(\"project-4\",{});!, @response.body
diff --git a/actionpack/test/fixtures/test/greeting.js.rjs b/actionpack/test/fixtures/test/greeting.js.rjs
new file mode 100644
index 0000000000..469fcd8e15
--- /dev/null
+++ b/actionpack/test/fixtures/test/greeting.js.rjs
@@ -0,0 +1 @@
+page[:body].visual_effect :highlight \ No newline at end of file