jest.config.js

module.exports = {
  moduleFileExtensions: ['ts', 'js', 'json'],
  rootDir: './src',
  testRegex: '.*\\.spec\\.ts$',
  transform: {
    '^.+\\.(t|j)s$': 'ts-jest',
  },
  collectCoverageFrom: ['**/*.(t|j)s'],
  moduleDirectories: ['<rootDir>/', 'node_modules'],
  coveragePathIgnorePatterns: [
    '/node_modules/',
    'src/main.ts',
    '/node_modules/',
    '/dist/',
    '/mongo/',
    '/public/',
    '/config/',
  ],
  coverageDirectory: '../coverage',
  collectCoverage: true,
  coverageReporters: ['html', 'text', 'json', 'lcov'],
  testEnvironment: 'node',
  moduleNameMapper: {
    '^modules/(.*)$': '<rootDir>/modules/$1',
    '^shared/(.*)$': '<rootDir>/shared/$1',
    '^config/(.*)$': '<rootDir>/config/$1',
    '^auth/(.*)$': '<rootDir>/auth/$1',
  },
  testPathIgnorePatterns: [
    '<rootDir>/config/',
    '<rootDir>/coverage/',
    '<rootDir>/dist/',
    '<rootDir>/mongo/',
    '<rootDir>/node_modules/',
    '<rootDir>/public/',
  ],
};