jest.config.mjs

import nextJest from 'next/jest.js'
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
/** @type {import('jest').Config} */
const config = {
  // Add more setup options before each test is run
  // setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
  collectCoverage: true,
  coverageProvider: 'v8',
  collectCoverageFrom: [
    '**/*.{js,jsx,ts,tsx}',
    '!**/*.stories.{js,jsx,ts,tsx}',
    '!**/*.d.ts',
    '!**/node_modules/**',
    '!<rootDir>/out/**',
    '!<rootDir>/.next/**',
    '!<rootDir>/*.config.js',
    '!<rootDir>/coverage/**',
  ],
  // forceCoverageMatch: ['**/*.{js,jsx,ts,tsx}'],
  testEnvironment: 'jest-environment-jsdom',
  moduleFileExtensions: ['js', 'jsx', 'ts', 'tsx'],
  transform: {
    '^.+\\.(js|jsx|ts|tsx)$': 'ts-jest',
  },
  testRegex: '(/tests/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$',
  rootDir: './', 
  roots: ["<rootDir>/src/", "<rootDir>/tests/"],
  coverageDirectory: './coverage',
}

// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
export default createJestConfig(config)