Function reduceNumCount

packages/intl-numberformat/scripts/extract-numbers.ts:36–55

(d: T)

] as Array<DecimalFormatNum>

function reduceNumCount<
  T extends
    Numbers['decimalFormats-numberSystem-latn']['long']['decimalFormat'],
>(d: T): Record<DecimalFormatNum, LDMLPluralRuleMap<string>> {
  return COUNTS.reduce(
    (all: Record<DecimalFormatNum, LDMLPluralRuleMap<string>>, num) => {
      all[num] = collapseSingleValuePluralRule(
        PLURAL_RULES.reduce(
          (all: LDMLPluralRuleMap<string>, pl) => {
            all[pl] = d[`${num}-count-${pl}` as '1000-count-one']
            return all
          },
          {other: d[`${num}-count-other` as '1000-count-other']}
        )
      )
      return all
    },
    {} as Record<DecimalFormatNum, LDMLPluralRuleMap<string>>
  )
}

function extractNumbers(d: Numbers): RawNumberData {
  const nu =