turkish.rb

#!/usr/bin/env ruby

module Turkish
  def self.native_downcased_alphabet
    'abcçdefgğhıijklmnoöprsştuüvyz'
  end

  def self.native_upcased_alphabet
    'ABCÇDEFGĞHIIJKLMNOÖPRSŞTUÜVYZ'
  end

  def self.extended_downcased_alphabet
    'aâbcçdeêfgğhıîijklmnoôöpqrsştuûüvwxyz'
  end

  def self.extended_upcased_alphabet
    'AÂBCÇDEÊFGĞHIÎİJKLMNOÔÖPQRSŞTUÛÜVWXYZ'
  end

  def self.character_ordinal
    return @character_ordinal if @character_ordinal
    @character_ordinal = {}
    (0..127).map(&:chr).join                      # in standard ascii table
      .sub(/[A-Z]+/, extended_upcased_alphabet)   # replace upcased letters
      .sub(/[a-z]+/, extended_downcased_alphabet) # replace downcased letters
      .split('').each_with_index do |c, i|        # store character ordinals
      @character_ordinal[c] = i                   # by using character indexes
    end
    @character_ordinal
  end

  refine Array do
    def sort
      lookup = Turkish.character_ordinal
      sort_by do |item|
        item.is_a?(String) ? item.chars.map { |c| lookup[c] || 0 } : super
      end
    end
  end
end

using Turkish

# rubocop:disable Metrics/MethodLength
def test
  p %w(
    şö
    a
    â
    i
    ı
    z
    î
    mc-roktas
    orbit-roktas
    ssh-aFeefaaa1234
    systemd-private-dlDwbA
    tmpFUPn84
    tmpHKgaWt
    tmpQPkwGD
    tmux-1001
    v4WIQiE
    vEF1Jkp
    vZYYuRW
    ycm_tempBjj3IN
    ycm_tempehpcPl
    ycm_tempRdI7WA
  ).sort
end

test if __FILE__ == $PROGRAM_NAME