Has anyone implemented the following php script in dancer:  http://yuilibrary.com/gallery/show/eventsource What I wrote so far is: any ['get', 'post'] => '/chat/:session' => sub {    if ( param('view') ){        template 'view', { id => param('session') }, { layout => undef };    }else{        content_type "text/event-stream";        # check every so often to see if there's new data        while( 1 ) {            # sleep for a second - simulate waiting for data            sleep(1);            # check for poll-only header            if (  my $header = header("X-YUIEventSource-PollOnly") ){                # if it's a poll-only request, break the loop, which ends the request - the client will reconnect                last;            }            return 'data: ' . request->uri_base . request->path . '?view=1'; # Of course it will also end here, the loop does not continue        }        return 'data: ' . request->uri_base . request->path . '?view=1';    } }; I am still getting some errors in the : src.on("error", function(event){ console.log("Error!"); });