Format date using moment and locale

formatDate.js

import moment from 'moment';

export default ({ year, month, day }) => {
  const locale = 'en-US';
  const val = moment()
    .year(year)
    .month(month)
    .date(day);
  moment.locale(locale);
  const formatter = moment.localeData().longDateFormat('L');
  return moment(val).format(formatter);
};