DFE-Digital/govuk-formbuilder

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lib/govuk_design_system_formbuilder/refinements/prefixable_array.rb

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module GOVUKDesignSystemFormBuilder
  module PrefixableArray
    refine Array do
      def prefix(text, delimiter: '-')
        map { |item| [text, item].join(delimiter.to_s) }
      end
    end
  end
end