grafana/public/app/plugins/panel/geomap/editor/DataLayersEditor.tsx

import React, { FC } from 'react';
import { StandardEditorProps, MapLayerOptions, PluginState, MapLayerRegistryItem } from '@grafana/data';
import { GeomapPanelOptions } from '../types';
import { LayerEditor } from './LayerEditor';
import { hasAlphaPanels } from 'app/core/config';

function dataLayerFilter(layer: MapLayerRegistryItem): boolean {
  if (layer.isBaseMap) {
    return false;
  }
  if (layer.state === PluginState.alpha) {
    return hasAlphaPanels;
  }
  return true;
}

// For now this supports a *single* data layer -- eventually we should support more than one
export const DataLayersEditor: FC<StandardEditorProps<MapLayerOptions[], any, GeomapPanelOptions>> = ({
  value,
  onChange,
  context,
}) => {
  return (
    <LayerEditor
      options={value?.length ? value[0] : undefined}
      data={context.data}
      onChange={(cfg) => {
        console.log('Change overlays:', cfg);
        onChange([cfg]);
      }}
      filter={dataLayerFilter}
    />
  );
};