superset/superset-frontend/src/featureFlags.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 { FeatureFlag, FeatureFlagMap } from '@superset-ui/core';

export function initFeatureFlags(featureFlags?: FeatureFlagMap) {
  if (!window.featureFlags) {
    window.featureFlags = featureFlags || {};
  }
}

export function isFeatureEnabled(feature: FeatureFlag) {
  try {
    return !!window.featureFlags[feature];
  } catch (error) {
    // eslint-disable-next-line no-console
    console.error(`Failed to query feature flag ${feature} (see error below)`);
    // eslint-disable-next-line no-console
    console.error(error);
    return false;
  }
}