Function graphemeWidth

src/ink/termio/parser.ts:63–69

(grapheme: string)

}

function graphemeWidth(grapheme: string): 1 | 2 {
  if (hasMultipleCodepoints(grapheme)) return 2
  const codePoint = grapheme.codePointAt(0)
  if (codePoint === undefined) return 1
  if (isEmoji(codePoint) || isEastAsianWide(codePoint)) return 2
  return 1
}

function* segmentGraphemes(str: string): Generator<Grapheme> {
  // Terminal C0 line controls must remain individual actions even when the