orionsoft-react-scripts/node_modules/babel-jest/build/index.js

Orionsoft Configuration and scripts for Create React App.

/**
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * 
 */

'use strict';




const babel = require('babel-core');
const jestPreset = require('babel-preset-jest');

const createTransformer = options => {
  options = Object.assign({}, options, {
    auxiliaryCommentBefore: ' istanbul ignore next ',
    presets: (options && options.presets || []).concat([jestPreset]),
    retainLines: true });

  delete options.cacheDirectory;

  return {
    canInstrument: true,
    process(
    src,
    filename,
    config,
    preprocessorOptions)
    {
      let plugins = options.plugins || [];

      if (preprocessorOptions && preprocessorOptions.instrument) {
        plugins = plugins.concat(require('babel-plugin-istanbul').default);
      }

      if (babel.util.canCompile(filename)) {
        return babel.transform(
        src,
        Object.assign({}, options, { filename, plugins })).
        code;
      }
      return src;
    } };

};

module.exports = createTransformer();
module.exports.createTransformer = createTransformer;