lib/client: added optional callback function to client.prototype.connect(); issue brianc#52

Author: booo

lib/client.js

@@ -28,7 +28,7 @@ sys.inherits(Client, EventEmitter);
 
 var p = Client.prototype;
 
-p.connect = function() {
+p.connect = function(callback) {
   var self = this;
   var con = this.connection;
   if(this.host && this.host.indexOf('/') === 0) {
@@ -84,11 +84,17 @@ p.connect = function() {
       }
     });
 
-    self.emit('connect');
+    if (!callback) {
+      self.emit('connect');
+    } else {
+      callback(null,self);
+      //remove callback for proper error handling after the connect event
+      callback = null;
+    }
 
     con.on('notification', function(msg) {
       self.emit('notification', msg);
-    })
+    });
 
   });
 
@@ -103,7 +109,11 @@ p.connect = function() {
 
   con.on('error', function(error) {
     if(!self.activeQuery) {
-      self.emit('error', error);
+      if(!callback) {
+        self.emit('error', error);
+      } else {
+        callback(error);
+      }
     } else {
       //need to sync after error during a prepared statement
       if(self.activeQuery.isPreparedStatement) {
@@ -116,7 +126,7 @@ p.connect = function() {
 
   con.on('notice', function(msg) {
     self.emit('notice', msg);
-  })
+  });
 
 };