superset/superset-frontend/temporary_superset_ui/superset-ui/plugins/plugin-chart-table/src/utils/extractOrderby.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 { QueryFormMetric } from '@superset-ui/core';

export function extractTimeseriesLimitMetric(
  timeSeriesLimitMetric?: QueryFormMetric[] | QueryFormMetric | null,
): QueryFormMetric[] {
  if (timeSeriesLimitMetric === undefined || timeSeriesLimitMetric === null) {
    return [];
  }
  if (Array.isArray(timeSeriesLimitMetric)) {
    return timeSeriesLimitMetric;
  }
  return [timeSeriesLimitMetric];
}