tinyload.js

const readline = require("readline");

const TINYFACE = "• c •";
const BOOP     = "/)";
const LINE     = "~";
const HEART    = "❤";

function sleep(ms) {
	return new Promise(resolve => setTimeout(resolve, ms)).catch(() => {});
}

async function tinyload(length, delay) {
	if (length < 2) {
		throw "Length is too short";
	}

	let bar = new Array(length);
	bar[0] = HEART;

	for (i = 1; i < length; i++) {
		bar[i] = LINE;
	}

	process.stdout.write(BOOP + " " + bar.join(" ") + " " + TINYFACE);
	await sleep(delay);
	readline.cursorTo(process.stdout, 0);

	for (i = 0; i < length - 1; i++) {
		bar[i] = LINE;
		bar[i + 1] = HEART;

		process.stdout.write(BOOP + " " + bar.join(" ") + " " + TINYFACE);
		await sleep(delay);
		readline.cursorTo(process.stdout, 0);
	}
}

tinyload(10, 50);