refactor(net): net.Socket compatability improvements

src/js/internal/net.ts

@@ -1,4 +1,19 @@
 const [addServerName, upgradeDuplexToTLS, isNamedPipeSocket] = $zig("socket.zig", "createNodeTLSBinding");
 const { SocketAddress } = $zig("node_net_binding.zig", "createBinding");
 
-export default { addServerName, upgradeDuplexToTLS, isNamedPipeSocket, SocketAddress };
+const bunTlsSymbol = Symbol.for("::buntls::");
+const bunSocketServerHandlers = Symbol.for("::bunsocket_serverhandlers::");
+const bunSocketServerConnections = Symbol.for("::bunnetserverconnections::");
+const bunSocketServerOptions = Symbol.for("::bunnetserveroptions::");
+
+export default {
+  addServerName,
+  upgradeDuplexToTLS,
+  isNamedPipeSocket,
+  SocketAddress,
+  // symbols
+  bunTlsSymbol,
+  bunSocketServerHandlers,
+  bunSocketServerConnections,
+  bunSocketServerOptions,
+};

src/js/internal/net/ip.ts

@@ -0,0 +1,39 @@
+// IPv4 Segment
+const v4Seg = "(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])";
+const v4Str = `(?:${v4Seg}\\.){3}${v4Seg}`;
+var IPv4Reg;
+
+// IPv6 Segment
+const v6Seg = "(?:[0-9a-fA-F]{1,4})";
+var IPv6Reg;
+
+function isIPv4(s): boolean {
+  return (IPv4Reg ??= new RegExp(`^${v4Str}$`)).test(s);
+}
+
+function isIPv6(s): boolean {
+  return (IPv6Reg ??= new RegExp(
+    "^(?:" +
+      `(?:${v6Seg}:){7}(?:${v6Seg}|:)|` +
+      `(?:${v6Seg}:){6}(?:${v4Str}|:${v6Seg}|:)|` +
+      `(?:${v6Seg}:){5}(?::${v4Str}|(?::${v6Seg}){1,2}|:)|` +
+      `(?:${v6Seg}:){4}(?:(?::${v6Seg}){0,1}:${v4Str}|(?::${v6Seg}){1,3}|:)|` +
+      `(?:${v6Seg}:){3}(?:(?::${v6Seg}){0,2}:${v4Str}|(?::${v6Seg}){1,4}|:)|` +
+      `(?:${v6Seg}:){2}(?:(?::${v6Seg}){0,3}:${v4Str}|(?::${v6Seg}){1,5}|:)|` +
+      `(?:${v6Seg}:){1}(?:(?::${v6Seg}){0,4}:${v4Str}|(?::${v6Seg}){1,6}|:)|` +
+      `(?::(?:(?::${v6Seg}){0,5}:${v4Str}|(?::${v6Seg}){1,7}|:))` +
+      ")(?:%[0-9a-zA-Z-.:]{1,})?$",
+  )).test(s);
+}
+
+function isIP(s): 0 | 4 | 6 {
+  if (isIPv4(s)) return 4;
+  if (isIPv6(s)) return 6;
+  return 0;
+}
+
+export default {
+  isIP,
+  isIPv4,
+  isIPv6,
+};