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create-react-app/packages/react-scripts/utils/createJestConfig.js
Dan Abramov e5bf5af296 Extract some utilities into a separate package (#723)
* Extract some utilities into a separate package

* Add utils dir to `files` in package.json

* Do not create an empty `utils` dir on eject
2016-09-23 20:53:08 +01:00

44 lines
1.5 KiB
JavaScript

/**
* Copyright (c) 2015-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.
*/
// Note: this file does not exist after ejecting.
const pathExists = require('path-exists');
const paths = require('../config/paths');
module.exports = (resolve, rootDir, isEjecting) => {
const setupFiles = [resolve('config/polyfills.js')];
if (pathExists.sync(paths.testsSetup)) {
// Use this instead of `paths.testsSetup` to avoid putting
// an absolute filename into configuration after ejecting.
setupFiles.push('<rootDir>/src/setupTests.js');
}
const config = {
moduleFileExtensions: ['jsx', 'js', 'json'],
moduleNameMapper: {
'^.+\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$': resolve('config/jest/FileStub.js'),
'^.+\\.css$': resolve('config/jest/CSSStub.js')
},
setupFiles: setupFiles,
testPathIgnorePatterns: ['<rootDir>/(build|docs|node_modules)/'],
testEnvironment: 'node',
testRegex: '(/__tests__/.*|\\.(test|spec))\\.(js|jsx)$',
};
if (rootDir) {
config.rootDir = rootDir;
}
if (!isEjecting) {
// This is unnecessary after ejecting because Jest
// will just use .babelrc in the project folder.
config.scriptPreprocessor = resolve('config/jest/transform.js');
}
return config;
};