jest.config.js

module.exports = {
    browser                 : true,
    verbose                 : true,
    moduleFileExtensions    : ['js', 'jsx', 'json'],
    setupFiles              : ['raf/polyfill', '<rootDir>/__tests__/setupTests.js'],
    testPathIgnorePatterns  : ['node_modules', '__tests__/setupTests.js'],
    moduleDirectories       : ['src', '__tests__', 'node_modules'],
    transformIgnorePatterns : ['/node_modules\/(?!antd\/dist)/'],
    moduleNameMapper        : {
        '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$' :
        '<rootDir>/mocks/fileMock.js',
        '\\.(css|scss)$' : '<rootDir>/__mocks__/fileMock.js',

        '^@actions(.*)$'    : '<rootDir>/src/actions$1',
        '^@components(.*)$' : '<rootDir>/src/components$1',
        '^@containers(.*)$' : '<rootDir>/src/containers$1',
        '^@reducers(.*)$'   : '<rootDir>/src/reducers$1',
        '^@utils(.*)$'      : '<rootDir>/app/utils$1'
    }
};