Method: Worldwide::Zip#outcode

Defined in:
lib/worldwide/zip.rb

#outcode(country_code:, zip:) ⇒ Object

Returns the “outcode” (first portion) of a postcode for a country that uses the UK style. Returns the “forward sortation area” (first portion) of a postal code for Canada. Returns the “routing key” (first portion) of a postal code for Ireland. Otherwise, returns the full zip.



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# File 'lib/worldwide/zip.rb', line 157

def outcode(country_code:, zip:)
  @split_code_countries ||= Set.new(GB_STYLE_ZIP_COUNTRIES).add("CA").add("IE")

  return zip unless @split_code_countries.include?(country_code.to_s.upcase)

  normalize(country_code: country_code, zip: zip)&.split(" ")&.first
end