jest.config.js

module.exports = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  roots: ['<rootDir>/src', '<rootDir>/tests'],
  testMatch: [
    '**/__tests__/**/*.ts',
    '**/?(*.)+(spec|test).ts'
  ],
  transform: {
    '^.+\\.ts$': 'ts-jest',
  },
  collectCoverageFrom: [
    'src/**/*.ts',
    '!src/**/*.d.ts',
    '!src/index.html',
    '!src/app.ts', // Exclude main app file from coverage
  ],
  coverageDirectory: 'coverage',
  coverageReporters: [
    'text',
    'lcov',
    'html'
  ],
  setupFilesAfterEnv: ['<rootDir>/tests/setup.ts'],
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1'
  },
  transformIgnorePatterns: [
    'node_modules/(?!(nanoid|otpauth)/)'
  ],
  testTimeout: 30000,
  verbose: true,
  clearMocks: true,
  resetMocks: true,
  restoreMocks: true
};