module.exports = {
  preset: null,
  testEnvironment: 'jest-environment-jsdom',
  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
  extensionsToTreatAsEsm: ['.ts', '.tsx'],
  moduleNameMapper: {
    '\\\\.(css|less|scss|sass)$': 'identity-obj-proxy',
    '\\\\.(gif|ttf|eot|svg|png)$': 'jest-transform-stub',
    '^@/(.*)$': '<rootDir>/client/src/$1',
    '^@shared/(.*)$': '<rootDir>/shared/$1',
  },
  transform: {
    '^.+\\\\.tsx?$': 'babel-jest',
  },
  transformIgnorePatterns: [
    'node_modules/(?!(wouter|lucide-react)/)',
  ],
  testMatch: [
    '<rootDir>/client/src/**/__tests__/**/*.(ts|tsx)',
    '<rootDir>/client/src/**/*.(test|spec).(ts|tsx)',
  ],
  // ES Module support
  extensionsToTreatAsEsm: ['.ts', '.tsx'],
  globals: {
    'babel-jest': {
      useESM: true,
    },
  },
};