redux-devtools/packages/redux-devtools-ui/jest.config.js

module.exports = {
  preset: 'ts-jest',
  setupFilesAfterEnv: ['<rootDir>/tests/setup.ts'],
  testEnvironment: 'jsdom',
  moduleNameMapper: {
    '\\.css$': '<rootDir>/tests/__mocks__/styleMock.ts',
  },
};