formatDate.js

const formatDate = ( dateStr ) => {
  let returned = '';
  if( 'Intl' in window ) {
    const dateObj = new Date( dateStr );
    const options = {
      month: 'long',
      timeZone: 'America/Los_Angeles',
      day: 'numeric',
      year: 'numeric'
    };

    let dte = new Intl.DateTimeFormat( 'en-US', options ).format( dateObj );

    returned = dte;
  }
  return returned;
}