szQocks

f = () => {
  return {
    ...fields
  }
}

f = () => {
  ...fields
}

f = () => ({
  ...fields
})

через css хочу скрыть его, когда пуст

.wishlist_products_counter_number:empty {
    display: none;
}

function groupValues(arr, defaultValue = null) {
  const keys = [...new Set(arr.flatMap(Object.keys))];
  return arr.reduce((acc, n) => {
    keys.forEach(k => acc[k].push(Object.hasOwn(n, k) ? n[k] : defaultValue));
    return acc;
  }, Object.fromEntries(keys.map(k => [ k, [] ])));
}


const result = groupValues(arr);

const groupValues = (arr, defaultValue = null) =>
  arr.reduce((acc, n, i, a) => (
    Object
      .keys(n)
      .forEach(k => (acc[k] ??= Array(a.length).fill(defaultValue))[i] = n[k]),
    acc
  ), {});

* {
  user-select: none;
}

window.onload = () => {

  const popUp = document.getElementById('cookiePopup');

  function showPopup() {
    popUp.classList.add('show');
    popUp.classList.remove('hide');
  }

  function hidePopup() {
    popUp.classList.add('hide');
    popUp.classList.remove('show');
  }

  document.getElementById('acceptCookie').addEventListener('click', () => {
    localStorage.setItem('cookieAccepted', '1');
    hidePopup();
  });

  if (localStorage.getItem('cookieAccepted') === '1') {
    hidePopup();
  } else {
    showPopup();
  }

};

Как сверстать такой каталог?

const nodemailer = require('nodemailer');
const directTransport = require('nodemailer-direct-transport');
const fromHost = `mysite.com`;
const from = 'site' + '@' + "gmail.com";

console.log('Email will be sent from:');
console.log(from, '\n');

// Ask for email address
const to = prompt('Enter your email address ').trim();

// Генерируем код
const trueVerificationCode = Math.round(Math.random() * (10e5 - 1)).toString();

const transport = nodemailer.createTransport(directTransport({
  name: fromHost
}));
let y = trueVerificationCode;
// Отправляем письмо
transport.sendMail({
  from, to,
  subject: 'Verify your email address',
  html: `
         <div style="width:100%;display:flex;flex-direction:column;justify-content:center;
         align-items:center;background:lightblue;padding:50px;box-sizing:border-box;">
         <h1>Verify your email address</h1>
         <p>Site has tried to verify your email address "${to}".
         If this wasn't you, ignore and delete this email. Otherwise, the verification code is bellow:</p>
         <div style="padding:50px;background:lightgray;border-radius:10px;font-size:30px;
         font-family:monospace;">${trueVerificationCode}</div></div>
        `
}, (err, data) => {
  if (err) {
    console.error('There was an error:', err);
  } else {
    console.log('\nVerification email sent, check your inbox\n');
    const userVerificationCode = prompt('Enter your verification code ');
    if (userVerificationCode == trueVerificationCode) {
      console.log('Email address verified');
    } else {
      console.log('Code incorrect');
    }
  }
});