calculate ipv4 broadcast address typescript

getBroadcastAddress.ts

function getBroadcastAddress({ address, netmask }: NetworkInterfaceInfo) {
  const addressBytes = address.split(".").map(Number);
  const netmaskBytes = netmask.split(".").map(Number);
  const subnetBytes = netmaskBytes.map(
    (_, index) => addressBytes[index] & netmaskBytes[index]
  );
  const broadcastBytes = netmaskBytes.map(
    (_, index) => subnetBytes[index] | (~netmaskBytes[index] + 256)  
  );
  return broadcastBytes.map(String).join(".")
}

/*
  // test
  getBroadcastAddress({ address: "192.168.1.93", netmask: "255.255.255.0" }) == '192.168.1.255'
*/