Gio.NetworkAddress

const Gio = imports.gi.Gio;

let networkAddress = new Gio.NetworkAddress({
    hostname: value,
    port: value,
    scheme: value,
});
  

Gio.NetworkAddress provides an easy way to resolve a hostname and then attempt to connect to that host, handling the possibility of multiple IP addresses and multiple address families.

See Gio.SocketConnectable for and example of using the connectable interface.