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-fixed-jsdom',
  testEnvironmentOptions: {
    customExportConditions: [''],
  },
  coverageReporters: ['lcov', 'text'],
  collectCoverageFrom: [
    '<rootDir>/app/**/*.{ts,tsx}',
    '!<rootDir>/app/mocks/**/*.{ts,tsx}',
    '!<rootDir>/app/types/**/*.{ts,tsx}',
  ],
};

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