Function cursorUp

src/ink/termio/csi.ts:129–131

(n = 1)

/** Move cursor up n lines (CSI n A) */
export function cursorUp(n = 1): string {
  return n === 0 ? '' : csi(n, 'A')
}

/** Move cursor down n lines (CSI n B) */
export function cursorDown(n = 1): string {