@sabertazimi/react-scripts/config/jest/babelTransform.js

Configuration and scripts for Bod CLI.

// @remove-on-eject-begin
/**
 * Copyright (c) 2014-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
// @remove-on-eject-end

const babelJest = require('babel-jest').default

const hasJsxRuntime = (() => {
  if (process.env.DISABLE_NEW_JSX_TRANSFORM === 'true') {
    return false
  }

  try {
    require.resolve('react/jsx-runtime')
    return true
  } catch (e) {
    return false
  }
})()

module.exports = babelJest.createTransformer({
  presets: [
    [
      require.resolve('babel-preset-react-app'),
      {
        runtime: hasJsxRuntime ? 'automatic' : 'classic',
      },
    ],
  ],
  babelrc: false,
  configFile: false,
})