jest.config.js

module.exports = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  roots: ['<rootDir>/tests', '<rootDir>/src'],
  testMatch: [
    '**/__tests__/**/*.+(ts|tsx|js)',
    '**/?(*.)+(spec|test).+(ts|tsx|js)'
  ],
  transform: {
    '^.+\\.(ts|tsx)$': 'ts-jest',
  },
  collectCoverageFrom: [
    'src/**/*.{ts,tsx}',
    'controllers/**/*.ts',
    'services/**/*.ts',
    '!src/**/*.d.ts',
    '!src/types/**',
    '!**/node_modules/**',
    '!**/dist/**'
  ],
  coverageDirectory: 'coverage',
  coverageReporters: [
    'text',
    'lcov',
    'html',
    'json-summary'
  ],
  coverageThreshold: {
    global: {
      branches: 70,
      functions: 70,
      lines: 70,
      statements: 70
    }
  },
  setupFilesAfterEnv: ['<rootDir>/tests/setup.ts'],
  testTimeout: 10000,
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1'
  },
  globalSetup: '<rootDir>/tests/globalSetup.ts',
  globalTeardown: '<rootDir>/tests/globalTeardown.ts',
  testPathIgnorePatterns: [
    '<rootDir>/node_modules/',
    '<rootDir>/dist/',
    '<rootDir>/build/'
  ]
};