jest.config.js

module.exports = {
  testEnvironment: 'node',
  moduleFileExtensions: ['js', 'json', 'ts'],
  rootDir: './',
  moduleDirectories: ['<rootDir>', 'node_modules'],
  modulePaths: ['<rootDir>'],
  testRegex: '.*\\.spec\\.ts$',
  preset: 'ts-jest',
  transform: {
    '^.+\\.(t|j)s$': 'ts-jest',
  },
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },
  testPathIgnorePatterns: [
    '/node_modules./',
    '<rootDir>/(coverage|dist|lib|tmp)./',
  ],
  coverageReporters: ['text', 'lcov', 'cobertura', 'json-summary'],
  coveragePathIgnorePatterns: [
    'node_modules',
    'test-config',
    'interfaces',
    'jestGlobalMocks.ts',
    '.exception.ts',
    '.interceptor.ts',
    '.entity.ts',
    '.facade.usecase.ts',
    '.model.ts',
    'prisma',
    '.module.ts',
    '<rootDir>/src/app/main.ts',
    '.mock.ts',
  ],
  collectCoverageFrom: [
    'src/**/*.ts',
    '!src/**/index.ts',
    '!*/node_modules/**',
    '!<rootDir>/src/main.ts',
  ],
  coverageThreshold: {
    global: {
      branches: 10,
      functions: 10,
      lines: 10,
      statements: 10,
    },
  },
  coverageDirectory: 'coverage',
};