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 = {
  setupFilesAfterEnv: ['<rootDir>/setupTests.ts'],
  testEnvironment: 'jest-environment-jsdom',
  collectCoverageFrom: [
    '**/*.{js,jsx,ts,tsx}',
    '!**/*.d.ts',
    '!**/node_modules/**',
  ],
  testPathIgnorePatterns: ['<rootDir>/.next/', '<rootDir>/node_modules/'],
  transform: {
    '^.+\\.mjs$': 'babel-jest',
  },
  moduleNameMapper: {
    '@/components/(.*)': '<rootDir>/src/components/$1',
    '@/content/(.*)': '<rootDir>/content/$1',
    '@/contexts/(.*)': '<rootDir>/src/contexts/$1',
    '@/mocks/(.*)': '<rootDir>/src/__mocks__/$1',
  },
};

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