jest.config.js

/** @type {import('jest').Config} */
const config = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  roots: ['<rootDir>/src'],
  testMatch: ['**/__tests__/**/*.test.ts', '**/*.test.ts', '**/*.test.tsx'],
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },
  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
  collectCoverageFrom: [
    'src/**/*.{ts,tsx}',
    '!src/**/*.d.ts',
    '!src/types/**/*',
    '!src/app/**/layout.tsx',
    '!src/app/**/loading.tsx',
    '!src/app/**/error.tsx',
  ],
  coverageThreshold: {
    global: {
      branches: 80,
      functions: 80,
      lines: 80,
      statements: 80,
    },
  },
  transform: {
    '^.+\\.tsx?$': ['ts-jest', {
      tsconfig: 'tsconfig.json',
    }],
  },
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
  clearMocks: true,
  restoreMocks: true,
};

module.exports = config;