/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 *
 * Any modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. 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.
 */

require('core-js/stable');
require('regenerator-runtime/runtime');
require('custom-event-polyfill');

if (typeof window.Event === 'object') {
  // IE11 doesn't support unknown event types, required by react-use
  // https://github.com/streamich/react-use/issues/73
  window.Event = CustomEvent;
}

require('whatwg-fetch');
require('abortcontroller-polyfill/dist/polyfill-patch-fetch');
require('./vendor/childnode_remove_polyfill');
require('symbol-observable');