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-rw-r--r--actionview/lib/action_view/helpers/translation_helper.rb10
1 files changed, 10 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/translation_helper.rb b/actionview/lib/action_view/helpers/translation_helper.rb
index 4c4d2c4457..152e1b1211 100644
--- a/actionview/lib/action_view/helpers/translation_helper.rb
+++ b/actionview/lib/action_view/helpers/translation_helper.rb
@@ -6,7 +6,15 @@ module ActionView
# = Action View Translation Helpers
module Helpers
module TranslationHelper
+ extend ActiveSupport::Concern
+
include TagHelper
+
+ included do
+ mattr_accessor :debug_missing_translation
+ self.debug_missing_translation = true
+ end
+
# Delegates to <tt>I18n#translate</tt> but also performs three additional
# functions.
#
@@ -95,6 +103,8 @@ module ActionView
title << ", " << interpolations.map { |k, v| "#{k}: #{ERB::Util.html_escape(v)}" }.join(', ')
end
+ return title unless ActionView::Base.debug_missing_translation
+
content_tag('span', keys.last.to_s.titleize, class: 'translation_missing', title: title)
end
end