jest.config.js

/** @type {import('ts-jest').JestConfigWithTsJest} */
export default {
  preset: 'ts-jest/presets/default-esm',
  testEnvironment: 'node',
  extensionsToTreatAsEsm: ['.ts'],
  moduleNameMapper: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
  },
  transform: {
    '^.+\\.tsx?$': ['ts-jest', { useESM: true }],
  },
  transformIgnorePatterns: [
    'node_modules/(?!(@modelcontextprotocol)/)'
  ],
  testMatch: ['**/src/**/__tests__/**/*.test.ts'],
  collectCoverageFrom: [
    '**/src/**/*.ts',
    '!**/src/**/__tests__/**',
    '!**/dist/**',
  ],
};