public url = 'localhost:8080';
    getFiles() {
        if (jQuery)
            jQuery.ajax({
                url: this.url + '/test'
            });   
return Promise.resolve(Files);
}


^ got this on the client , they do get called. 


Also using : 

app.all('/', function (req, res, next) {
    console.log('got here');
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    next();
});

on the server.