Function diff

frontend/src/utils/dateTimeUtils.js:45–46

(date1, date2, unit = 'millisecond')

  dayjs(dateTime).subtract(value, unit);

export const diff = (date1, date2, unit = 'millisecond') =>
  dayjs(date1).diff(date2, unit);

export const format = (dateTime, formatStr) =>
  dayjs(dateTime).format(formatStr);