= node f, field do
  .array_holder
    = f.fields_for field.name do |x|
      - if f.object.send(field.name).blank?
        = x.text_field nil, class: 'array_fields', id: nil
      - else
        - f.object.send(field.name).each do |entry|
          = x.text_field nil, value: entry, class: 'array_fields', id: nil