Function epochFromDate

packages/@internationalized/date/src/conversion.ts:31–43

(date: AnyDateTime)

import {Mutable} from './utils';

export function epochFromDate(date: AnyDateTime): number {
  date = toCalendar(date, new GregorianCalendar());
  let year = getExtendedYear(date.era, date.year);
  return epochFromParts(
    year,
    date.month,
    date.day,
    date.hour,
    date.minute,
    date.second,
    date.millisecond
  );
}

function epochFromParts(
  year: number,