promessa.js

function yahooJapan() {
  for(let i = 0; i < 3; i++) {
    console.log('request')

    const request = require('sync-request');
    request('GET', 'https://www.yahoo.co.jp/', {
      headers: {
        'user-agent': 'example-user-agent',
      },
    });
  }
}

function promessa() {
  return Promise.resolve()
}

function blah() {
  console.log('inicio blah')
  promessa().then(() => yahooJapan())
  console.log('final blah')
}

blah()