superset-frontend/packages/superset-frontend/src/dashboard/components/nativeFilters/state.ts

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import { useSelector } from 'react-redux';
import { useMemo } from 'react';
import { Filter, FilterConfiguration } from './types';

const defaultFilterConfiguration: Filter[] = [];

export function useFilterConfiguration() {
  return useSelector<any, FilterConfiguration>(
    state =>
      state.dashboardInfo?.metadata?.filter_configuration ||
      defaultFilterConfiguration,
  );
}

/**
 * returns the dashboard's filter configuration,
 * converted into a map of id -> filter
 */
export function useFilterConfigMap() {
  const filterConfig = useFilterConfiguration();
  return useMemo(
    () =>
      filterConfig.reduce((acc: Record<string, Filter>, filter: Filter) => {
        acc[filter.id] = filter;
        return acc;
      }, {} as Record<string, Filter>),
    [filterConfig],
  );
}