demarches-normaliennes/app/components/editable_champ/departements_component.rb

class EditableChamp::DepartementsComponent < EditableChamp::EditableChampBaseComponent
  include ApplicationHelper

  private

  def options
    APIGeoService.departements.map { ["#{_1[:code]} – #{_1[:name]}", _1[:code]] }
  end

  def select_options
    { selected: @champ.selected }.merge(@champ.mandatory? ? { prompt: '' } : { include_blank: '' })
  end
end