jest.config.js

module.exports = {
  clearMocks: true,
  collectCoverageFrom: [
    'src/**/*.{js,jsx}',
    '!src/__tests__/**',
    '!src/entry/index.js',
    '!src/entry/server.js',
    '!src/utils/customMessages.js',
    '!webpack.config.js',
  ],
  coverageDirectory: 'coverage',
  coveragePathIgnorePatterns: ['/node_modules/', '/__tests__'],
  coverageReporters: ['json', 'text', 'lcov', 'clover'],
  moduleDirectories: ['node_modules'],
  moduleFileExtensions: ['js', 'json', 'jsx'],
  moduleNameMapper: {
    '\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$':
        'jest-transform-stub',
    '\\.(css|scss|sass)$': 'identity-obj-proxy',
  },
  setupFiles: ['<rootDir>/tests.config.js'],
  snapshotSerializers: ['enzyme-to-json/serializer'],
  testEnvironment: 'jsdom',
  testMatch: ['src/__tests__/**/*.test.js?(x)', '**/?(*.)+(spec|test).js?(x)'],
  testURL: 'http://localhost',
  transformIgnorePatterns: ['<rootDir>/node_modules/'],
  verbose: false,
  reporters: [
    'default',
    [
      'jest-html-reporters',
      {
        publicPath: './coverage/html-report',
        filename: 'report.html',
        expand: true,
      },
    ],
  ],
  collectCoverage: true,
};