superset-frontend/babel.config.js

/**
 * 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.
 */
const packageConfig = require('./package');

module.exports = {
  sourceMaps: true,
  sourceType: 'module',
  retainLines: true,
  presets: [
    [
      '@babel/preset-env',
      {
        useBuiltIns: 'usage',
        corejs: 3,
        loose: true,
        modules: false,
        shippedProposals: true,
        targets: packageConfig.browserslist,
      },
    ],
    [
      '@babel/preset-react',
      {
        development: process.env.BABEL_ENV === 'development',
        runtime: 'automatic',
      },
    ],
    '@babel/preset-typescript',
  ],
  plugins: [
    'lodash',
    '@babel/plugin-syntax-dynamic-import',
    '@babel/plugin-transform-export-namespace-from',
    ['@babel/plugin-transform-class-properties', { loose: true }],
    ['@babel/plugin-transform-optional-chaining', { loose: true }],
    ['@babel/plugin-transform-private-methods', { loose: true }],
    ['@babel/plugin-transform-nullish-coalescing-operator', { loose: true }],
    ['@babel/plugin-transform-runtime', { corejs: 3 }],
    // only used in packages/superset-ui-core/src/chart/components/reactify.tsx
    ['babel-plugin-typescript-to-proptypes', { loose: true }],
    'react-hot-loader/babel',
    [
      '@emotion/babel-plugin',
      {
        autoLabel: 'dev-only',
        labelFormat: '[local]',
      },
    ],
  ],
  env: {
    // Setup a different config for tests as they run in node instead of a browser
    test: {
      presets: [
        [
          '@babel/preset-env',
          {
            useBuiltIns: 'usage',
            corejs: 3,
            loose: true,
            shippedProposals: true,
            modules: 'auto',
            targets: { node: 'current' },
          },
        ],
        [
          '@babel/preset-react',
          {
            development: process.env.BABEL_ENV === 'development',
            runtime: 'automatic',
          },
        ],
        '@babel/preset-typescript',
      ],
      plugins: [
        'babel-plugin-dynamic-import-node',
        '@babel/plugin-transform-modules-commonjs',
        '@babel/plugin-transform-export-namespace-from',
      ],
    },
    // build instrumented code for testing code coverage with Cypress
    instrumented: {
      plugins: [
        [
          'istanbul',
          {
            exclude: ['plugins/**/*', 'packages/**/*'],
          },
        ],
      ],
    },
    production: {
      plugins: [
        [
          'babel-plugin-jsx-remove-data-test-id',
          {
            attributes: 'data-test',
          },
        ],
      ],
    },
    testableProduction: {
      plugins: [],
    },
  },
  overrides: [
    {
      test: './plugins/plugin-chart-handlebars/node_modules/just-handlebars-helpers/*',
      sourceType: 'unambiguous',
    },
  ],
};