seyfert/vendor/gateway/calculateShardId.ts

import { GatewayManager } from "./manager/gatewayManager.ts";

export function calculateShardId(gateway: GatewayManager, guildId: bigint) {
  if (gateway.manager.totalShards === 1) return 0;

  return Number((guildId >> 22n) % BigInt(gateway.manager.totalShards - 1));
}