Client emits error instead of throwing.

Author: randunel

lib/abstract_socket.js

@@ -43,20 +43,28 @@ exports.createServer = function(listener) {
     return new AbstractSocketServer(listener);
 };
 
-
 exports.connect = exports.createConnection = function(name, connectListener) {
+    const defaultOptions = {
+        readable: true,
+        writable: true
+    };
+
     let err = socket();
     if (err < 0) {
-        throw errnoException(err, 'socket');
+        const sock = new net.Socket(defaultOptions);
+        setImmediate(() => sock.emit('error', errnoException(err, 'socket')));
+        return sock;
     }
 
-    const options = {fd: err, readable: true, writable: true};
+    const options = Object.assign({fd: err}, defaultOptions);
 
     // yes, connect is synchronous, so sue me
     err = connect(err, name);
     if (err < 0) {
         close(options.fd);
-        throw errnoException(err, 'connect');
+        const sock = new net.Socket(defaultOptions);
+        setImmediate(() => sock.emit('error', errnoException(err, 'connect')));
+        return sock;
     }
 
     const sock = new net.Socket(options);