jest.config.js

module.exports = {
  globalSetup: 'jest-environment-puppeteer/setup',
  globalTeardown: 'jest-environment-puppeteer/teardown',
  setupFiles: ['./source/jest-setup.js'],
  roots: ['./source'],
  coverageReporters: ['lcov'],
  collectCoverageFrom: [
    'source/**/*.js',
    '!source/vendor/**',
    '!source/demo/**',
    '!source/jest-*.js',
    '!source/TestUtils.js',
    '!**/*.example.js',
  ],
  testRegex: '.(jest|e2e|ssr).js$',
  verbose: true,
};