import { geo } from 'ultimap';
import { Strategy } from 'ultimap/strategy/leaflet';

geo.byStrategy(new Strategy.Leaflet()).map.create(holder_element, {
    center: [57.767131, 40.928349],
    zoom: 16,
}).load();
                    

<script src="https://api-maps.yandex.ru/2.1/?lang=ru_RU" type="text/javascript"></script>
                    

import { geo } from 'ultimap';
import { Strategy } from 'ultimap/strategy/yandex';

geo.map.byStrategy(new Strategy.Yandex()).map.create(holder_element, {
    center: [57.767131, 40.928349],
    zoom: 16,
}).load();