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Contents
# frozen_string_literal: true
require "forwardable"
require "singleton"
require "yaml"
require "worldwide/regions_loader"
module Worldwide
class Regions
include Singleton
class << self
extend Forwardable
def_delegators :instance, :all, :region_by_cldr_code, :region
end
def initialize
@regions, @regions_by_cldr_code, @regions_by_iso_code = RegionsLoader.new.load_regions
end
def all
@regions
end
def region(cldr: nil, code: nil, name: nil)
unless exactly_one_present?(cldr, code, name)
raise ArgumentError, "Must specify exactly one of cldr:, code: or name:. (code: is preferred)"
end
result = if cldr
@regions_by_cldr_code[cldr.to_s.upcase]
elsif code
@regions_by_iso_code[code.to_s.upcase]
else # search by name
search_name = name.upcase
@regions.find do |r|
r.legacy_name&.upcase == search_name || r.full_name&.upcase == search_name ||
r.name_alternates.map(&:upcase).include?(search_name)
end
end
result || Worldwide.unknown_region
end
private
def exactly_one_present?(first, second, third)
a = Util.present?(first)
b = Util.present?(second)
c = Util.present?(third)
(a ^ b ^ c) && !(a && b && c)
end
end
end
Version data entries
35 entries across 35 versions & 1 rubygems