Reduce duplication when generating translations

1 files changed, 3 insertions, 17 deletions

diff --git a/actionview/lib/action_view/helpers/tags/placeholderable.rb b/actionview/lib/action_view/helpers/tags/placeholderable.rb
index 690ba93ab5..0b15a11308 100644
--- a/actionview/lib/action_view/helpers/tags/placeholderable.rb
+++ b/actionview/lib/action_view/helpers/tags/placeholderable.rb
@@ -7,26 +7,12 @@ module ActionView
 
           if tag_value = @options[:placeholder]
             placeholder = tag_value if tag_value.is_a?(String)
-
-            object_name = @object_name.gsub(/\[(.*)_attributes\]\[\d+\]/, '.\1')
             method_and_value = tag_value.is_a?(TrueClass) ? @method_name : "#{@method_name}.#{tag_value}"
 
-            if object.respond_to?(:to_model)
-              model = object.to_model
-            end
-
-            if model
-              key = model.model_name.i18n_key
-              i18n_default = ["#{key}.#{method_and_value}".to_sym, ""]
-            end
-
-            i18n_default ||= ""
-            placeholder ||= I18n.t("#{object_name}.#{method_and_value}", :default => i18n_default, :scope => "helpers.placeholder").presence
-            placeholder ||= if model && model.class.respond_to?(:human_attribute_name)
-                          model.class.human_attribute_name(method_and_value)
-                        end
+            placeholder ||= Tags::Translator
+              .new(object, @object_name, method_and_value, "helpers.placeholder")
+              .call
             placeholder ||= @method_name.humanize
-
             @options[:placeholder] = placeholder
           end
         end