jest.config.js

const nextJest = require("next/jest");

const createJestConfig = nextJest({
  // Provide the path to your Next.js app to load next.config.js and .env.local files in your test environment
  dir: "./",
});

// Add any custom config to be passed to Jest
const customJestConfig = {
  // Add more setup options before each test is run
  setupFilesAfterEnv: ["<rootDir>/jest.setup.js", "core-js"],
  // if using TypeScript with a baseUrl set to the root directory then you need the below for alias' to work
  moduleDirectories: ["node_modules", "<rootDir>/"],
  testEnvironment: "jest-environment-jsdom",
  moduleNameMapper: {
    "^uuid$": "uuid",
    "@navikt/ds-css": "jest-transform-stub",
  },
  testEnvironmentOptions: {
    customExportConditions: [""],
  },
  setupFiles: ["./jest.polyfills.js"],
};

// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
module.exports = createJestConfig(customJestConfig);