text: /**
   * Copyright 2020 The AMP HTML Authors. All Rights Reserved.
   *
   * 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.
   */
  'use strict';
  
  const argv = require('minimist')(process.argv.slice(2));
  const {getReplacePlugin, getReplaceGlobalsPlugin} = require('./helpers');
  
  /**
   * Gets the config for babel transforms run during `amp [unit|integration|e2e]`.
   *
   * @return {!Object}
   */
  function getTestConfig() {
    const instanbulPlugin = [
      'istanbul',
      {
        exclude: [
          'ads/**/*.js',
          'build-system/**/*.js',
          'extensions/**/test/**/*.js',
          'third_party/**/*.js',
          'test/**/*.js',
          'testing/**/*.js',
        ],
      },
    ];
    const reactJsxPlugin = [
      '@babel/plugin-transform-react-jsx',
      {
        pragma: 'Preact.createElement',
        pragmaFrag: 'Preact.Fragment',
        useSpread: true,
      },
    ];
    const presetEnv = [
      '@babel/preset-env',
      {
        bugfixes: true,
        modules: 'commonjs',
        loose: true,
        targets: {'browsers': ['Last 2 versions']},
      },
    ];
    const replacePlugin = getReplacePlugin();
    const replaceGlobalsPlugin = getReplaceGlobalsPlugin();
    const testPlugins = [
      argv.coverage ? instanbulPlugin : null,
      replacePlugin,
      replaceGlobalsPlugin,
      './build-system/babel-plugins/babel-plugin-transform-json-import',
      './build-system/babel-plugins/babel-plugin-transform-json-configuration',
      './build-system/babel-plugins/babel-plugin-transform-fix-leading-comments',
      './build-system/babel-plugins/babel-plugin-transform-jss',
      './build-system/babel-plugins/babel-plugin-transform-promise-resolve',
      '@babel/plugin-transform-react-constant-elements',
      '@babel/plugin-transform-classes',
      reactJsxPlugin,
    ].filter(Boolean);
    const testPresets = [presetEnv];
    return {
      compact: false,
      plugins: testPlugins,
      presets: testPresets,
      sourceMaps: 'inline',
    };
  }
  
  module.exports = {
    getTestConfig,
  };
  