export default {
preset: 'ts-jest',
testEnvironment: 'node',
roots: ['<rootDir>/src'],
testMatch: [
'**/__tests__/**/*.test.ts',
'**/__tests__/**/*.spec.ts'
],
transform: {
'^.+\\.ts$': ['ts-jest', {
useESM: true,
tsconfig: {
module: 'ESNext',
moduleResolution: 'node',
esModuleInterop: true
}
}],
},
transformIgnorePatterns: [
'node_modules/(?!@modelcontextprotocol)',
],
collectCoverageFrom: [
'src/**/*.ts',
'!src/**/*.d.ts',
'!src/index.ts',
'!src/__tests__/**/*',
'!src/**/__mocks__/**/*'
],
coverageDirectory: 'coverage',
coverageReporters: ['text', 'lcov', 'html', 'json-summary'],
coverageThreshold: {
global: {
branches: 70,
functions: 75,
lines: 80,
statements: 80
}
},
moduleNameMapper: {
'^(\\.{1,2}/.*)\\.js$': '$1',
},
extensionsToTreatAsEsm: ['.ts'],
testTimeout: 10000,
verbose: true,
testPathIgnorePatterns: [
'/node_modules/',
'/dist/',
'/coverage/'
],
setupFilesAfterEnv: ['<rootDir>/src/__tests__/setup.ts'],
collectCoverage: false, // Enable via CLI with --coverage
maxWorkers: '50%'
};