Function firstGrapheme

src/utils/intl.ts:26–31

(text: string)

 * Returns '' for empty strings.
 */
export function firstGrapheme(text: string): string {
  if (!text) return ''
  const segments = getGraphemeSegmenter().segment(text)
  const first = segments[Symbol.iterator]().next().value
  return first?.segment ?? ''
}

/**
 * Extract the last grapheme cluster from a string.