- if @champs.present?
  = fields_for @champ.input_name, @champ do |form|
    = turbo_stream.append dom_id(@champ, :rows), render(EditableChamp::RepetitionRowComponent.new(form: form, champ: @champ, row: @champs))
    - first_champ_id = @champs.map(&:focusable_input_id).compact.first
    - if first_champ_id
      = turbo_stream.focus(first_champ_id)