Price Scraper.js

const axios = require('axios');
const cheerio = require('cheerio');
const cron = require('node-cron');

const productPage =
  'https://www.cyberpuerta.mx/Computo-Hardware/Monitores/Monitores/Monitor-Gamer-Curvo-ASUS-ROG-Strix-XG35VQ-LED-35-Quad-HD-Ultra-Wide-FreeSync-100Hz-HDMI-Negro-Gris-Rojo.html?nosto=shop_api_home0_1';
const selector = '.priceText';
const desiredPrice = 15000;

async function getHTML(url) {
  const { data } = await axios.get(url).catch(() => {
    console.log("Couldn't get the page ☹️");
  });
  return data;
}

const currencyStringToNumber = string => Number(string.replace(/[^0-9.-]+/g, ''));
function scrapPrice(html) {
  const $ = cheerio.load(html);
  const price = $(selector)
    .text()
    .trim();
  return price;
}

cron.schedule('0 * * * *', async () => {
  console.log('running a task every hour ⏲️');
  const html = await getHTML(productPage).catch(console.log);
  const currentPrice = currencyStringToNumber(scrapPrice(html));
  if (currentPrice < desiredPrice) {
    console.log('Congratulations! you just saved some bucks 💵');
  }
});