Function isWebmFormat

yvlu/yvlu.ts:50–59

(buffer: Buffer)

  });
  return Promise.race([promise, timeout]).finally(() => clearTimeout(timer));
}

const avatarCache = new Map<string, Buffer | undefined>();

function stableEntityKey(entity: any): string | undefined {
  const raw = entity?.id ?? entity?.userId ?? entity?.channelId ?? entity?.chatId ?? entity?.accessHash ?? entity;
  if (!raw) return undefined;
  try {
    return typeof raw === "bigint" ? raw.toString() : JSON.stringify(raw, (_, v) => typeof v === "bigint" ? v.toString() : v);
  } catch (_) {
    return String(raw);
  }
}