(function (I) {
  I.getGPS = function () {
    return new Promise(resolve => {
      if (!navigator.geolocation) { resolve(null); return; }
      navigator.geolocation.getCurrentPosition(
        p => resolve({ lat: p.coords.latitude, lng: p.coords.longitude, accuracy: p.coords.accuracy }),
        () => resolve(null),
        { enableHighAccuracy: true, timeout: 5000, maximumAge: 30000 }
      );
    });
  };
})(window.App.Infrastructure);