Function isDateFormatOnly

packages/intl-datetimeformat/scripts/extract-dates.ts:39–48

(opts: Intl.DateTimeFormatOptions)

)

function isDateFormatOnly(opts: Intl.DateTimeFormatOptions) {
  return !Object.keys(opts).find(
    k =>
      k === 'hour' ||
      k === 'minute' ||
      k === 'second' ||
      k === 'timeZoneName' ||
      k === 'hour12'
  )
}

function isTimeFormatOnly(opts: Intl.DateTimeFormatOptions) {
  return !Object.keys(opts).find(