ui/node_modules/cli-cursor/index.js

'use strict';
const restoreCursor = require('restore-cursor');

let isHidden = false;

exports.show = (writableStream = process.stderr) => {
	if (!writableStream.isTTY) {
		return;
	}

	isHidden = false;
	writableStream.write('\u001B[?25h');
};

exports.hide = (writableStream = process.stderr) => {
	if (!writableStream.isTTY) {
		return;
	}

	restoreCursor();
	isHidden = true;
	writableStream.write('\u001B[?25l');
};

exports.toggle = (force, writableStream) => {
	if (force !== undefined) {
		isHidden = force;
	}

	if (isHidden) {
		exports.show(writableStream);
	} else {
		exports.hide(writableStream);
	}
};