tree-ast-grep-mcp/jest.config.js

Simple, direct ast-grep wrapper for AI coding agents. Zero abstractions, maximum performance.

/**
 * Jest configuration for tree-ast-grep-mcp
 * Alternative testing setup for teams preferring Jest
 */

export default {
  preset: 'ts-jest/presets/default-esm',
  extensionsToTreatAsEsm: ['.ts'],
  moduleNameMapping: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
  },
  testEnvironment: 'node',
  roots: ['<rootDir>/src', '<rootDir>/tests'],
  testMatch: [
    '**/__tests__/**/*.(test|spec).(ts|js)',
    '**/*.(test|spec).(ts|js)'
  ],
  transform: {
    '^.+\\.ts$': ['ts-jest', {
      useESM: true,
      tsconfig: {
        module: 'esnext',
        target: 'es2022'
      }
    }]
  },
  collectCoverageFrom: [
    'src/**/*.{ts,js}',
    '!src/**/*.d.ts',
    '!src/**/index.ts'
  ],
  coverageDirectory: 'coverage',
  coverageReporters: [
    'text',
    'lcov',
    'html'
  ],
  testTimeout: 30000,
  setupFilesAfterEnv: ['<rootDir>/tests/setup.js'],
  verbose: true,
  maxWorkers: '50%'
};