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[rails.git] / config / initializers / field_error.rb
1 ActionView::Base.field_error_proc = proc do |html_tag, _instance|
2   class_attr_index = html_tag.index 'class="'
3
4   if class_attr_index
5     html_tag.insert class_attr_index + 7, "field_with_errors "
6   else
7     html_tag.insert html_tag.index(/\/?>/), ' class="field_with_errors"'
8   end
9 end