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

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