Function serializeDate

http/unstable_structured_fields.ts:1366–1375

(value: Date)

}

function serializeDate(value: Date): string {
  const timestamp = Math.floor(value.getTime() / 1000);
  if (!Number.isFinite(timestamp)) {
    throw new TypeError("Invalid date");
  }
  if (timestamp < -MAX_INTEGER || timestamp > MAX_INTEGER) {
    throw new TypeError("Date out of range");
  }
  return `@${timestamp}`;
}

function serializeDisplayString(value: string): string {
  const bytes = UTF8_ENCODER.encode(value);