jest.config.js

module.exports = {
  testEnvironment: 'jsdom',
  setupFilesAfterEnv: ['<rootDir>/src/setupTests.js'],
  moduleNameMapper: {
    '\\.(css|less|scss|sass)$': 'identity-obj-proxy',
  },
  transform: {
    '^.+\\.(js|jsx|ts|tsx)$': 'babel-jest',
  },
  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx', 'json'],
  testMatch: [
    '<rootDir>/src/**/__tests__/**/*.(js|jsx|ts|tsx)',
    '<rootDir>/src/**/?(*.)(test|spec).(js|jsx|ts|tsx)',
  ],
  collectCoverageFrom: [
    'src/**/*.(js|jsx|ts|tsx)',
    '!src/**/*.d.ts',
    '!src/index.js',
    '!src/reportWebVitals.js',
    '!src/setupTests.js',
  ],
  coverageThreshold: {
    global: {
      branches: 70,
      functions: 70,
      lines: 70,
      statements: 70,
    },
  },
  testTimeout: 10000,
};