Shumai-tec

class GPSExtension {
  constructor() {
    this.latitude = 'まだ取得してません';
    this.longitude = 'まだ取得してません';

    if (navigator.geolocation) {
      navigator.geolocation.getCurrentPosition((pos) => {
        this.latitude = pos.coords.latitude;
        this.longitude = pos.coords.longitude;
      }, (err) => {