jest.config.js

const nextJest = require('next/jest')

const createJestConfig = nextJest({ dir: './' })

const config = {
  testEnvironment: 'jest-environment-jsdom',
  setupFilesAfterEnv: ['<rootDir>/__tests__/jest.setup.js'],
  testPathIgnorePatterns: ['<rootDir>/.next/', '<rootDir>/node_modules/'],
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/$1',
  },
  testMatch: [
    '**/__tests__/**/*.test.ts?(x)',
    '**/?(*.)+(spec|test).ts?(x)',
  ],
  testTimeout: 10000,
  verbose: true,
  collectCoverage: true,
  collectCoverageFrom: [
    'lib/**/*.{ts,tsx}',
    'components/**/*.{ts,tsx}',
    'app/**/*.{ts,tsx}',
    '!**/*.d.ts',
    '!**/node_modules/**',
  ],
  coverageReporters: ['json', 'lcov', 'text', 'clover'],
}

module.exports = createJestConfig(config)