jest.config.js

module.exports = {
  moduleFileExtensions: ['js', 'json', 'ts'],
  rootDir: 'src',
  testRegex: '.*\\.spec\\.ts$',
  transform: {
    '^.+\\.(t|j)s$': 'ts-jest',
  },
  collectCoverageFrom: [
    '**/*.(t|j)s',
  ],
  coverageDirectory: '../coverage',
  testEnvironment: 'node',
  roots: ['<rootDir>', '<rootDir>/../test'],
  setupFilesAfterEnv: ['<rootDir>/../test/jest.setup.ts'],
  setupFiles: ['<rootDir>/../test/jest.env.ts'],
  testTimeout: 30000,
  globals: {
    'ts-jest': {
      tsconfig: {
        esModuleInterop: true,
        allowSyntheticDefaultImports: true,
      },
      diagnostics: false,
      isolatedModules: true,
    },
  },
  moduleNameMapper: {
    '^src/(.*)$': '<rootDir>/$1',
    '^@/(.*)$': '<rootDir>/$1',
    '^@modules/(.*)$': '<rootDir>/modules/$1',
    '^@common/(.*)$': '<rootDir>/common/$1',
    '^src/(.*)$': '<rootDir>/$1',
  },
  moduleDirectories: ['node_modules', '<rootDir>'],
};