日本語の文字数をカウントする.ts

mojisuu.ts

// https://zenn.dev/pandanoir/articles/how-to-count-strings
function countStringLength(text:string) : number {
  const segmenter = new Intl.Segmenter("ja-JP", { granularity: "grapheme" })
  const segments = [...segmenter.segment(text)]
  console.log(segments)

  return segments.length
}