formatDate.js

export const formatDate = (date) => {
  let result
  if (date) {
    const dateObj = new Date(date)

    if (isToday(dateObj)) {
      result = 'Today'

    } else if (isYesterday(dateObj)) {
      result = 'Yesterday'

    } else if (!isThisYear(dateObj)) {
      result = format(dateObj, 'MMMM d, yyyy')

    } else {
      result = format(dateObj, 'MMMM d')

    }
    
  } else {
    throw new Error('No date')  
  }
  
  return result
}