function codeAddress(address) {
    const fetchAddress = (resolve) => {
        const geocoder = new google.maps.Geocoder();
        const parseResult = (results, status) => {
            if (status !== google.maps.GeocoderStatus.OK) {
                resolve([])
                return;
            }
            resolve([
                results[0].geometry.location.lat(),
                results[0].geometry.location.lng()
            ]);
        };
        geocoder.geocode({ address: address, language: 'english' }, parseResult);
    }
    return new Promise(fetchAddress);
}

// uzycie

codeAddress('address').then(result => {
    console.log(result)
})