Module: Worldwide::Lists

Extended by:
Lists
Included in:
Lists
Defined in:
lib/worldwide/lists.rb

Instance Method Summary collapse

Instance Method Details

#format(data, join: :and, locale: I18n.locale) ⇒ Object

We assume that the data is expected to returned in the same order as it is received. We are aware of one counter example, Urdu, that we do not support.



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# File 'lib/worldwide/lists.rb', line 10

def format(data, join: :and, locale: I18n.locale)
  cldr_connector = case join
  when :and
    "default"
  when :or
    "or"
  when :narrow
    "narrow"
  else
    raise ArgumentError, "Unknown connector #{join}."
  end
  return "" if data.nil? || data.empty?
  return data.first if data.size == 1

  if data.size == 2
    str = Worldwide::Cldr.t("lists.#{cldr_connector}.2", locale: locale)
    str.sub!("{0}", data[0])
    str.sub!("{1}", data[1])
    return str
  end

  start = get_connector(cldr_connector, position: "start", locale: locale)
  middle = get_connector(cldr_connector, position: "middle", locale: locale)
  endd = get_connector(cldr_connector, position: "end", locale: locale)

  positions = [start] + ([middle] * (data.size - 3)) + [endd]
  data.zip(positions).join("")
end