Function getExplicitThreshold

src/relative-time-element.ts:71–74

(el: RelativeTimeElement)

}

function getExplicitThreshold(el: RelativeTimeElement): string | null {
  const threshold = el.getAttribute('threshold')
  return threshold && isDuration(threshold) ? threshold : null
}

// Determine whether the user has a 12 (vs. 24) hour cycle preference via the
// browser's resolved DateTimeFormat options.