JS imports and exports in webpack env

data.js

const users = [
  { name: 'mario', premium: true },
  { name: 'luigi', premium: false },
  { name: 'yoshi', premium: true },
  { name: 'toad', premium: true },
  { name: 'peach', premium: false },
];

export const getPremUsers = (users) => {
  return users.filter((user) => {
    return user.premium === true;
  });
};

export default users;

// alternative way of exporting
// export {getPremUsers, users as default}