Method graphemeAt

src/utils/Cursor.ts:980–984

(pos: number)

  }

  private graphemeAt(pos: number): string {
    if (pos >= this.text.length) return ''
    const nextOff = this.measuredText.nextOffset(pos)
    return this.text.slice(pos, nextOff)
  }

  private isOverWhitespace(): boolean {
    const currentChar = this.text[this.offset] ?? ''