mobility-toolbox-js/common/utils/getLayersAsFlatArray.js

Toolbox for JavaScript applications in the domains of mobility and logistics.

// TODO: I use any to avoid circular dependency  with common/layers/layer
const getLayersAsFlatArray = (layersOrLayer) => {
    let layers = layersOrLayer;
    if (!Array.isArray(layers)) {
        layers = [layersOrLayer];
    }
    let flatLayers = [];
    layers.forEach((layer) => {
        var _a, _b;
        flatLayers.push(layer);
        // Handle children property and ol.layer.Group
        const children = layer.children ||
            layer.get('children') ||
            ((_b = (_a = layer.getLayers) === null || _a === void 0 ? void 0 : _a.call(layer)) === null || _b === void 0 ? void 0 : _b.getArray());
        flatLayers = flatLayers.concat(getLayersAsFlatArray(children || []));
    });
    return flatLayers;
};
export default getLayersAsFlatArray;