Silventino

const readline = require('readline');
const rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

function askUser(question) {
  return new Promise((res) => {
    rl.question(`${question} `, async (userResponse) => {
      res(userResponse)

Silventino

const puppeteer = require('puppeteer');

async function buscaCEP(txtbusca) {
  try {
    const browser = await puppeteer.launch();
    const page = await browser.newPage();
    await page.goto('https://buscacepinter.correios.com.br/app/endereco/index.php', { waitUntil: 'networkidle2' });

    await page.waitForSelector('input[name=endereco]');