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>/$1',
  },
  testMatch: [
    '**/__tests__/**/*.test.[jt]s?(x)',
    '**/?(*.)+(spec|test).[jt]s?(x)',
  ],
  testPathIgnorePatterns: ['<rootDir>/e2e/'],
  collectCoverageFrom: [
    'components/**/*.{ts,tsx}',
    'lib/**/*.{ts,tsx}',
    'actions/**/*.{ts,tsx}',
    '!**/*.d.ts',
    '!**/node_modules/**',
  ],
  transformIgnorePatterns: [
    '/node_modules/(?!jose|@panva|openid-client|oauth4webapi|next-auth|@next-auth)/',
  ],
  moduleDirectories: ['node_modules', '<rootDir>/'],
}

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