jest.config.json

{
    "moduleFileExtensions": ["js", "json", "jsx", "ts", "tsx", "node", "less", "d.ts"],
    "moduleNameMapper": {
        "\\.(css|jpg|png|svg|less)$": "<rootDir>/node_modules/jest-css-modules",
        "nav-(.*)-style": "<rootDir>/node_modules/jest-css-modules",
        "@navikt/ds-css": "<rootDir>/node_modules/jest-css-modules",
        "\\.\\/userContent": "<rootDir>/node_modules/jest-css-modules",
        "\\.\\/systemsStyles": "<rootDir>/node_modules/jest-css-modules",
        "\\.\\/header": "<rootDir>/node_modules/jest-css-modules",
        "^app/(.*)": "<rootDir>/src/app/$1",
        "uuid": "<rootDir>/node_modules/uuid"
    },
    "setupFiles": ["<rootDir>/testSetup.js"],
    "testPathIgnorePatterns": ["/node_modules/", "/dist/"],
    "testEnvironment": "jest-environment-jsdom",
    "testRegex": "(<rootDir>/test/.*|(\\.|/)(spec))\\.tsx?$",
    "transform": {
        "^.+\\.[t|j]sx?$": "babel-jest"
    },
    "transformIgnorePatterns": ["<rootDir>.*(node_modules)(?!.*nav.*).*$"],
    "unmockedModulePathPatterns": [
        "<rootDir>/node_modules/react",
        "<rootDir>/node_modules/react-router",
        "<rootDir>/node_modules/react-router-dom"
    ],
    "setupFilesAfterEnv": ["<rootDir>/src/test/testConfig.js"]
}