module.exports = {
    testEnvironment: 'jsdom',
    setupFilesAfterEnv: ['@testing-library/jest-dom/extend-expect'],
    transform: {
      "^.+\\.jsx?$": "babel-jest",
      '^.+\\.mjs': 'babel-jest',
    },
    transformIgnorePatterns: [
        '/node_modules/',
        'node_modules/(?!(d3|other-module-to-transform)/)',
        '\\.css$',
      ],
    moduleNameMapper: {
        '\\.(svg)$': '<rootDir>/__mocks__/svgMock.js',
        '\\.(css|less|sass|scss)$': '<rootDir>/__mocks__/styleMock.js',
        '^d3$': '<rootDir>/node_modules/d3/src/index.js',
      },
  };