Method _toFeature

src/openlayers/overlay/theme/Theme.js:582–585

(feature)

    //统一处理 ol.feature所有 geometry 类型
    _toFeature(feature) {
        let geoFeature = (new GeoJSON()).writeFeature(feature);
        return new GeoJSONFormat().read(geoFeature, "Feature");
    }

}