getCityName.js

/**
 * @param {Object} locations
 * @param {Number} locations.lat
 * @param {Number} locations.lon
 */

export default async function (locations) {
  const lat = locations.lat;
  const lng = locations.lng;

  const geocoder = new google.maps.Geocoder();
  const latLng = new google.maps.LatLng(lat, lng);

  const currentData = await new Promise(function(resolve, reject) {
    geocoder.geocode(
      { latLng },
      (results, status) => {
        if (status === google.maps.GeocoderStatus.OK) {
          resolve(results.filter(item => item.types[0] === 'administrative_area_level_1'));
        } else {
          reject('No results found');
        }
      },
    );
  });

  console.log(currentData);

  // const currentCityName = currentData[0] ? currentData[0].formatted_address : '';
  // console.log(currentCityName);

  return '';
}