Function getOffsetFormatter

src/time/localized-time.ts:137–148

(timezone?: string)

}

function getOffsetFormatter(timezone?: string): Intl.DateTimeFormat {
  const key = timezone ?? '';
  let formatter = offsetFormatterCache.get(key);
  if (!formatter) {
    formatter = new Intl.DateTimeFormat('en-US', {
      timeZone: timezone,
      timeZoneName: 'shortOffset'
    });
    offsetFormatterCache.set(key, formatter);
  }
  return formatter;
}

function buildDateParts(date: Date, timezone?: string): DateParts {
  const dateFormat = getPartsFormatter(timezone);