babel.config.js

/*
 *    Copyright 2020 floragunn GmbH
 *
 * Licensed 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.
 */

module.exports = function (api) {
  // ensure env is test so that this config won't impact build or dev server
  if (api.env('test')) {
    return {
      presets: [
        require('@babel/preset-env'),
        require('@babel/preset-react'),
        require('@babel/preset-typescript'),
      ],
      plugins: [
        [require('@babel/plugin-transform-runtime'), { regenerator: true }],
        require('@babel/plugin-proposal-class-properties'),
        require('@babel/plugin-proposal-object-rest-spread'),
      ],
    };
  }

  return {};
};