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wbotelhos/country-code-to-emoji-flag.rb

Created February 12, 2021 12:41
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Country Code to Emoji Flag
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country-code-to-emoji-flag.rb
def country_code_to_flag(country_code)
code = country_code.to_s.upcase
return unless code =~ /\A[A-Z]{2}\z/
code.codepoints.map { |codepoint| (codepoint + 127_397).chr(Encoding::UTF_8) }.join
end
country_code_to_flag("BR")
# => "🇧🇷"
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