jest.config.js

module.exports = {
  rootDir: __dirname,
  testEnvironment: 'jsdom',
  globals: {
    __DEV__: true
  },
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
    '^test/(.*)$': '<rootDir>/test/$1'
  },
  testMatch: ['<rootDir>/test/**/*.spec.js'],
  testPathIgnorePatterns: ['/node_modules/'],
  setupFilesAfterEnv: ['./test/setup.js'],
  transform: {
    '^.+\\.js$': '<rootDir>/node_modules/babel-jest'
  },
  coverageDirectory: 'coverage',
  coverageReporters: ['json', 'lcov', 'text-summary', 'clover'],
  collectCoverageFrom: [
    'src/**/*.js',
    '!src/index.cjs.js'
  ]
}