jest.config.js

module.exports = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  roots: ['<rootDir>/tests'],
  testMatch: ['**/__tests__/**/*.ts', '**/?(*.)+(spec|test).ts'],
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
  collectCoverageFrom: [
    'src/**/*.ts',
    '!src/plugin.ts',
    '!src/extractors/**',
    '!src/utils/debug.ts',
    '!src/utils/network.ts',
    '!src/ui/**',
    '!**/*.d.ts'
  ],
  coverageThreshold: {
    global: {
      branches: 50,
      functions: 50,
      lines: 50,
      statements: 50
    }
  },
  setupFilesAfterEnv: ['<rootDir>/tests/setup.ts'],
  transform: {
    '^.+\\.ts$': ['ts-jest', {
      tsconfig: {
        target: 'ES2017',
        module: 'commonjs',
        esModuleInterop: true,
        allowSyntheticDefaultImports: true,
        skipLibCheck: true,
        strict: true
      }
    }]
  }
};