v3/jest.config.js

module.exports = {
  preset: 'ts-jest/presets/js-with-babel',
  testEnvironment: 'enzyme',
  reporters: ['default'],
  setupFilesAfterEnv: ['jest-enzyme', 'jest-styled-components', './hack/jestSetup.ts'],
  snapshotSerializers: ['enzyme-to-json/serializer'],
  globals: {
    'ts-jest': {
      tsconfig: './tsconfig.test.json',
    },
  },
};