var isIPv4 = function(s) {
  return IPv4Reg.test(s);
}, isIPv6 = function(s) {
  return IPv6Reg.test(s);
}, isIP = function(s) {
  if (isIPv4(s))
    return 4;
  if (isIPv6(s))
    return 6;
  return 0;
}, createConnection = function(port, host, connectListener) {
  if (typeof port === "object")
    return new Socket(port).connect(port, host, connectListener);
  return new Socket().connect(port, host, connectListener);
}, emitErrorNextTick = function(self, error) {
  self.emit("error", error);
}, emitListeningNextTick = function(self, onListen) {
  if (typeof onListen === "function")
    try {
      onListen();
    } catch (err) {
      self.emit("error", err);
    }
  self.emit("listening");
}, createServer = function(options, connectionListener) {
  return new Server(options, connectionListener);
}, v4Seg = "(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])", v4Str = "((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])", IPv4Reg = new RegExp("^((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$"), v6Seg = "(?:[0-9a-fA-F]{1,4})", IPv6Reg = new RegExp("^((?:(?:[0-9a-fA-F]{1,4}):){7}(?:(?:[0-9a-fA-F]{1,4})|:)|(?:(?:[0-9a-fA-F]{1,4}):){6}(?:((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])|:(?:[0-9a-fA-F]{1,4})|:)|(?:(?:[0-9a-fA-F]{1,4}):){5}(?::((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])|(:(?:[0-9a-fA-F]{1,4})){1,2}|:)|(?:(?:[0-9a-fA-F]{1,4}):){4}(?:(:(?:[0-9a-fA-F]{1,4})){0,1}:((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])|(:(?:[0-9a-fA-F]{1,4})){1,3}|:)|(?:(?:[0-9a-fA-F]{1,4}):){3}(?:(:(?:[0-9a-fA-F]{1,4})){0,2}:((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])|(:(?:[0-9a-fA-F]{1,4})){1,4}|:)|(?:(?:[0-9a-fA-F]{1,4}):){2}(?:(:(?:[0-9a-fA-F]{1,4})){0,3}:((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])|(:(?:[0-9a-fA-F]{1,4})){1,5}|:)|(?:(?:[0-9a-fA-F]{1,4}):){1}(?:(:(?:[0-9a-fA-F]{1,4})){0,4}:((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])|(:(?:[0-9a-fA-F]{1,4})){1,6}|:)|(?::((?::(?:[0-9a-fA-F]{1,4})){0,5}:((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])|(?::(?:[0-9a-fA-F]{1,4})){1,7}|:)))(%[0-9a-zA-Z-.:]{1,})?$"), { Bun, createFIFO, Object } = import.meta.primordials, { connect: bunConnect } = Bun, { Duplex } = import.meta.require("node:stream"), { EventEmitter } = import.meta.require("node:events"), { setTimeout } = globalThis, bunTlsSymbol = Symbol.for("::buntls::"), bunSocketServerHandlers = Symbol.for("::bunsocket_serverhandlers::"), bunSocketServerConnections = Symbol.for("::bunnetserverconnections::"), bunSocketServerOptions = Symbol.for("::bunnetserveroptions::"), SocketClass, Socket = function(InternalSocket) {
  return SocketClass = InternalSocket, Object.defineProperty(SocketClass.prototype, Symbol.toStringTag, {
    value: "Socket",
    enumerable: !1
  }), Object.defineProperty(function Socket(options) {
    return new InternalSocket(options);
  }, Symbol.hasInstance, {
    value(instance) {
      return instance instanceof InternalSocket;
    }
  });
}(class Socket2 extends Duplex {
  static #Handlers = {
    close: Socket2.#Close,
    connectError(socket, error) {
      socket.data.emit("error", error);
    },
    data({ data: self }, buffer) {
      self.bytesRead += buffer.length;
      const queue = self.#readQueue;
      if (queue.isEmpty()) {
        if (self.push(buffer))
          return;
      }
      queue.push(buffer);
    },
    drain: Socket2.#Drain,
    end: Socket2.#Close,
    error(socket, error) {
      const self = socket.data, callback = self.#writeCallback;
      if (callback)
        self.#writeCallback = null, callback(error);
      self.emit("error", error);
    },
    open(socket) {
      const self = socket.data;
      socket.timeout(self.timeout), socket.ref(), self.#socket = socket, self.connecting = !1, self.emit("connect", self), Socket2.#Drain(socket);
    },
    handshake(socket, success, verifyError) {
      const { data: self } = socket;
      if (self._securePending = !1, self.secureConnecting = !1, self._secureEstablished = !!success, self._requestCert || self._rejectUnauthorized) {
        if (verifyError) {
          if (self.authorized = !1, self.authorizationError = verifyError.code || verifyError.message, self._rejectUnauthorized) {
            self.destroy(verifyError);
            return;
          }
        }
      } else
        self.authorized = !0;
      self.emit("secureConnect", verifyError);
    },
    timeout(socket) {
      const self = socket.data;
      self.emit("timeout", self);
    },
    binaryType: "buffer"
  };
  static #Close(socket) {
    const self = socket.data;
    if (self.#closed)
      return;
    self.#closed = !0, self.#socket = null;
    const queue = self.#readQueue;
    if (queue.isEmpty()) {
      if (self.push(null))
        return;
    }
    queue.push(null);
  }
  static #Drain(socket) {
    const self = socket.data, callback = self.#writeCallback;
    if (callback) {
      const chunk = self.#writeChunk, written = socket.write(chunk);
      if (self.bytesWritten += written, written < chunk.length)
        self.#writeChunk = chunk.slice(written);
      else
        self.#writeCallback = null, self.#writeChunk = null, callback(null);
    }
  }
  static [bunSocketServerHandlers] = {
    data: Socket2.#Handlers.data,
    close(socket) {
      Socket2.#Handlers.close(socket), this.data[bunSocketServerConnections]--;
    },
    end(socket) {
      Socket2.#Handlers.end(socket), this.data[bunSocketServerConnections]--;
    },
    open(socket) {
      const self = this.data, options = self[bunSocketServerOptions], { pauseOnConnect, connectionListener, InternalSocketClass, requestCert, rejectUnauthorized } = options, _socket = new InternalSocketClass({});
      if (_socket.isServer = !0, _socket._requestCert = requestCert, _socket._rejectUnauthorized = rejectUnauthorized, _socket.#attach(this.localPort, socket), self.maxConnections && self[bunSocketServerConnections] >= self.maxConnections) {
        const data = {
          localAddress: _socket.localAddress,
          localPort: _socket.localPort,
          localFamily: _socket.localFamily,
          remoteAddress: _socket.remoteAddress,
          remotePort: _socket.remotePort,
          remoteFamily: _socket.remoteFamily || "IPv4"
        };
        socket.end(), self.emit("drop", data);
        return;
      }
      if (!pauseOnConnect)
        _socket.resume();
      if (self[bunSocketServerConnections]++, typeof connectionListener == "function")
        if (InternalSocketClass.name === "TLSSocket")
          self.once("secureConnection", () => connectionListener(_socket));
        else
          connectionListener(_socket);
      self.emit("connection", _socket);
    },
    handshake({ data: self }, success, verifyError) {
      if (self._securePending = !1, self.secureConnecting = !1, self._secureEstablished = !!success, self._requestCert || self._rejectUnauthorized) {
        if (verifyError) {
          if (self.authorized = !1, self.authorizationError = verifyError.code || verifyError.message, self._rejectUnauthorized) {
            self.destroy(verifyError);
            return;
          }
        }
      } else
        self.authorized = !0;
      self.emit("secureConnect", verifyError);
    },
    error(socket, error) {
      Socket2.#Handlers.error(socket, error), this.data.emit("error", error);
    },
    timeout: Socket2.#Handlers.timeout,
    connectError: Socket2.#Handlers.connectError,
    drain: Socket2.#Handlers.drain,
    binaryType: "buffer"
  };
  bytesRead = 0;
  bytesWritten = 0;
  #closed = !1;
  connecting = !1;
  localAddress = "127.0.0.1";
  #readQueue = createFIFO();
  remotePort;
  #socket;
  timeout = 0;
  #writeCallback;
  #writeChunk;
  #pendingRead;
  isServer = !1;
  constructor(options) {
    const { signal, write, read, allowHalfOpen = !1, ...opts } = options || {};
    super({
      ...opts,
      allowHalfOpen,
      readable: !0,
      writable: !0
    });
    this.#pendingRead = void 0, signal?.once("abort", () => this.destroy()), this.once("connect", () => this.emit("ready"));
  }
  address() {
    return {
      address: this.localAddress,
      family: this.localFamily,
      port: this.localPort
    };
  }
  get bufferSize() {
    return this.writableLength;
  }
  #attach(port, socket) {
    this.remotePort = port, socket.data = this, socket.timeout(this.timeout), socket.ref(), this.#socket = socket, this.connecting = !1, this.emit("connect", this), Socket2.#Drain(socket);
  }
  connect(port, host, connectListener) {
    var path;
    if (typeof port === "string") {
      if (path = port, port = void 0, typeof host === "function")
        connectListener = host, host = void 0;
    } else if (typeof host == "function") {
      if (typeof port === "string")
        path = port, port = void 0;
      connectListener = host, host = void 0;
    }
    if (typeof port == "object") {
      var {
        port,
        host,
        path,
        localAddress,
        localPort,
        family,
        hints,
        lookup,
        noDelay,
        keepAlive,
        keepAliveInitialDelay,
        requestCert,
        rejectUnauthorized,
        pauseOnConnect,
        servername
      } = port;
      this.servername = servername;
    }
    if (!pauseOnConnect)
      this.resume();
    this.connecting = !0, this.remotePort = port;
    const bunTLS = this[bunTlsSymbol];
    var tls = void 0;
    if (typeof bunTLS === "function") {
      if (tls = bunTLS.call(this, port, host, !0), this._requestCert = !0, this._rejectUnauthorized = rejectUnauthorized, tls)
        if (typeof tls !== "object")
          tls = {
            rejectUnauthorized,
            requestCert: !0
          };
        else
          tls.rejectUnauthorized = rejectUnauthorized, tls.requestCert = !0;
      if (this.authorized = !1, this.secureConnecting = !0, this._secureEstablished = !1, this._securePending = !0, connectListener)
        this.on("secureConnect", connectListener);
    } else if (connectListener)
      this.on("connect", connectListener);
    return bunConnect(path ? {
      data: this,
      unix: path,
      socket: Socket2.#Handlers,
      tls
    } : {
      data: this,
      hostname: host || "localhost",
      port,
      socket: Socket2.#Handlers,
      tls
    }), this;
  }
  _destroy(err, callback) {
    this.#socket?.end(), callback(err);
  }
  _final(callback) {
    this.#socket?.end(), callback();
  }
  get localAddress() {
    return "127.0.0.1";
  }
  get localFamily() {
    return "IPv4";
  }
  get localPort() {
    return this.#socket?.localPort;
  }
  get pending() {
    return this.connecting;
  }
  _read(size) {
    const queue = this.#readQueue;
    let chunk;
    while (chunk = queue.peek()) {
      if (!this.push(chunk))
        return;
      queue.shift();
    }
  }
  get readyState() {
    if (this.connecting)
      return "opening";
    if (this.readable)
      return this.writable ? "open" : "readOnly";
    else
      return this.writable ? "writeOnly" : "closed";
  }
  ref() {
    this.#socket?.ref();
  }
  get remoteAddress() {
    return this.#socket?.remoteAddress;
  }
  get remoteFamily() {
    return "IPv4";
  }
  resetAndDestroy() {
    this.#socket?.end();
  }
  setKeepAlive(enable = !1, initialDelay = 0) {
    return this;
  }
  setNoDelay(noDelay = !0) {
    return this;
  }
  setTimeout(timeout, callback) {
    if (this.#socket?.timeout(timeout), this.timeout = timeout, callback)
      this.once("timeout", callback);
    return this;
  }
  unref() {
    this.#socket?.unref();
  }
  _write(chunk, encoding, callback) {
    if (typeof chunk == "string" && encoding !== "utf8")
      chunk = Buffer.from(chunk, encoding);
    var written = this.#socket?.write(chunk);
    if (written == chunk.length)
      callback();
    else if (this.#writeCallback)
      callback(new Error("overlapping _write()"));
    else {
      if (written > 0)
        if (typeof chunk == "string")
          chunk = chunk.slice(written);
        else
          chunk = chunk.subarray(written);
      this.#writeCallback = callback, this.#writeChunk = chunk;
    }
  }
}), connect = createConnection;

class Server extends EventEmitter {
  #server;
  #listening = !1;
  [bunSocketServerConnections] = 0;
  [bunSocketServerOptions];
  maxConnections = 0;
  constructor(options, connectionListener) {
    super();
    if (typeof options === "function")
      connectionListener = options, options = {};
    else if (options == null || typeof options === "object")
      options = { ...options };
    else
      throw new Error("bun-net-polyfill: invalid arguments");
    const { maxConnections } = options;
    this.maxConnections = Number.isSafeInteger(maxConnections) && maxConnections > 0 ? maxConnections : 0, options.connectionListener = connectionListener, this[bunSocketServerOptions] = options;
  }
  ref() {
    return this.#server?.ref(), this;
  }
  unref() {
    return this.#server?.unref(), this;
  }
  close(callback) {
    if (this.#server) {
      if (this.#server.stop(!0), this.#server = null, this.#listening = !1, this[bunSocketServerConnections] = 0, this.emit("close"), typeof callback === "function")
        callback();
      return this;
    }
    if (typeof callback === "function") {
      const error = new Error("Server is not running");
      error.code = "ERR_SERVER_NOT_RUNNING", callback(error);
    }
    return this;
  }
  address() {
    const server = this.#server;
    if (server) {
      const unix = server.unix;
      if (unix)
        return unix;
      let address = server.hostname;
      const type = isIP(address), port = server.port;
      if (typeof port === "number")
        return {
          port,
          address,
          family: type ? `IPv${type}` : void 0
        };
      if (type)
        return {
          address,
          family: type ? `IPv${type}` : void 0
        };
      return address;
    }
    return null;
  }
  getConnections(callback) {
    if (typeof callback === "function")
      callback(null, this.#server ? this[bunSocketServerConnections] : 0);
    return this;
  }
  listen(port, hostname, onListen) {
    let backlog, path, exclusive = !1;
    if (typeof port === "string") {
      if (Number.isSafeInteger(hostname)) {
        if (hostname > 0)
          backlog = hostname;
      } else if (typeof hostname === "function")
        onListen = hostname;
      path = port, hostname = void 0, port = void 0;
    } else {
      if (typeof hostname === "function")
        onListen = hostname, hostname = void 0;
      if (typeof port === "function")
        onListen = port, port = 0;
      else if (typeof port === "object") {
        const options = port;
        options.signal?.addEventListener("abort", () => this.close()), hostname = options.host, exclusive = options.exclusive === !0;
        const path2 = options.path;
        if (port = options.port, !Number.isSafeInteger(port) || port < 0)
          if (path2)
            hostname = path2, port = void 0;
          else {
            let message = 'The argument \'options\' must have the property "port" or "path"';
            try {
              message = `${message}. Received ${JSON.stringify(options)}`;
            } catch {
            }
            const error = new TypeError(message);
            throw error.code = "ERR_INVALID_ARG_VALUE", error;
          }
        else if (!Number.isSafeInteger(port) || port < 0)
          port = 0;
        if (typeof port.callback === "function")
          onListen = port?.callback;
      } else if (!Number.isSafeInteger(port) || port < 0)
        port = 0;
      hostname = hostname || "::";
    }
    try {
      var tls = void 0, TLSSocketClass = void 0;
      const bunTLS = this[bunTlsSymbol];
      if (typeof bunTLS === "function")
        [tls, TLSSocketClass] = bunTLS.call(this, port, hostname, !1);
      this[bunSocketServerOptions].InternalSocketClass = TLSSocketClass || SocketClass, this.#server = Bun.listen(path ? {
        exclusive,
        unix: path,
        tls,
        socket: SocketClass[bunSocketServerHandlers]
      } : {
        exclusive,
        port,
        hostname,
        tls,
        socket: SocketClass[bunSocketServerHandlers]
      }), this.#server.data = this, this.#listening = !0, setTimeout(emitListeningNextTick, 1, this, onListen);
    } catch (err) {
      this.#listening = !1, setTimeout(emitErrorNextTick, 1, this, err);
    }
    return this;
  }
}
var net_default = {
  createServer,
  Server,
  createConnection,
  connect,
  isIP,
  isIPv4,
  isIPv6,
  Socket,
  [Symbol.for("CommonJS")]: 0,
  [Symbol.for("::bunternal::")]: SocketClass
};
export {
  isIPv6,
  isIPv4,
  isIP,
  net_default as default,
  createServer,
  createConnection,
  connect,
  Socket,
  Server
};