code: function polygonStyleFunction(feature, resolution) {
    return new Style({
      stroke: new Stroke({
        color: 'blue',
        width: 1
      }),
      fill: new Fill({
        color: 'rgba(0, 0, 255, 0.1)'
      }),
      text: createTextStyle(feature, resolution, myDom.polygons)
    });
  }
docs: Polygons