Method isValidType

src/common/format/GeoJSON.js:593–623

* @function GeoJSONFormat.prototype.isValidType * @description 检查一个 GeoJSON 对象是否和给定的类型相符的合法的对象。 * @returns {boolean} GeoJSON 是否是给定类型的合法对象。 * @private

(obj, type)

     *  @private
     */
    isValidType(obj, type) {
        var valid = false;
        switch (type) {
            case "Geometry":
                if (Util.indexOf(
                    ["Point", "MultiPoint", "LineString", "MultiLineString",
                        "Polygon", "MultiPolygon", "Box", "GeometryCollection"
                    ],
                    obj.type) == -1) {
                    // unsupported geometry type
                    //console.error("Unsupported geometry type: " +
                    // obj.type);
                } else {
                    valid = true;
                }
                break;
            case "FeatureCollection":
                // allow for any type to be converted to a feature collection
                valid = true;
                break;
            default:
                // for Feature types must match
                if (obj.type == type) {
                    valid = true;
                } else {
                    //console.error("Cannot convert types from " +
                    //obj.type + " to " + type);
                }
        }
        return valid;
    }
    /** 
     * @static
     * @version 12.1.0