redux-devtools/packages/redux-devtools-instrument/jest.config.cjs

module.exports = {
  extensionsToTreatAsEsm: ['.ts'],
  moduleNameMapper: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
  },
  transform: {
    '^.+\\.ts$': ['ts-jest', { tsconfig: 'tsconfig.test.json', useESM: true }],
  },
};