@glowlamp/control-sequences/src/move_cursor_up.js

Builds ANSI control sequences for terminals

import CSI from './control_sequence_introducer';

/**
 *
 * @param {int} n
 * @returns {MoveCursorUp}
 */
export default function moveCursorUp(n = 1) {
  return n === 0 ? '' : `${CSI}${n}A`;
}