Format currency BR using toLocalString

formatCurrencyBRL.js

const formatCurrencyBRL = (price, showLeadingCurrency = true) => {
  price = Math.round(price * 100) / 100;

  const options = {
    style: showLeadingCurrency ? "currency" : "decimal",
    currency: "BRL",
    minimumFractionDigits: 2
  };

  return price.toLocaleString(
    "pt-Br",
    options
  );
};

console.log(formatCurrencyBRL(1500));