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 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
  rootDir: './',
  collectCoverageFrom: [
    './pages/**/*.{js,jsx,ts,tsx}',
    './components/**/*.{js,jsx,ts,tsx}',
    './services/**/*.{js,jsx,ts,tsx}',
    '!.next/**/*',
    '!**/*.d.ts',
    '!**/node_modules/**',
  ],
  setupFilesAfterEnv: ['<rootDir>/setupTests.js'],
  testPathIgnorePatterns: ['<rootDir>/.next/', '<rootDir>/node_modules/'],
  moduleDirectories: ['node_modules', '<rootDir>/'],
  testEnvironment: 'jest-environment-jsdom',
  moduleNameMapper: {
    '\\.(scss|sass|css)$': 'identity-obj-proxy',
  },
};

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