Function eraseLines

src/ink/termio/csi.ts:239–250

(n: number)

 * This erases each line and moves up, ending at column 1
 */
export function eraseLines(n: number): string {
  if (n <= 0) return ''
  let result = ''
  for (let i = 0; i < n; i++) {
    result += ERASE_LINE
    if (i < n - 1) {
      result += cursorUp(1)
    }
  }
  result += CURSOR_LEFT
  return result
}

// Scroll