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>/jest.setup.js'],
  testEnvironment: 'jest-environment-jsdom',
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },
  testMatch: [
    '<rootDir>/src/**/__tests__/**/*.{js,jsx,ts,tsx}',
    '<rootDir>/src/**/*.{spec,test}.{js,jsx,ts,tsx}',
    '!**/*.d.ts',
  ],
  collectCoverageFrom: [
    'src/**/*.{js,jsx,ts,tsx}',
    '!src/**/*.d.ts',
    '!src/types/**/*',
  ],
  testEnvironmentOptions: {
    customExportConditions: [''],
  },
  // Transform ESM modules - update to handle more ESM packages
  transformIgnorePatterns: [
    '/node_modules/(?!(.pnpm/)?((uuid|nanoid|@mswjs|msw|@sinclair|@floating-ui|@popperjs|react-day-picker|date-fns|internmap|d3-|delaunator|robust-predicates).*))',
  ],
};

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