module.exports = { preset: 'ts-jest', testEnvironment: 'node', roots: ['/src'], testMatch: ['**/__tests__/**/*.ts', '**/?(*.)+(spec|test).ts'], transform: { '^.+\\.ts$': 'ts-jest', }, collectCoverageFrom: [ 'src/**/*.ts', '!src/**/*.d.ts', ], coverageDirectory: 'coverage', coverageReporters: ['text', 'lcov', 'html'], };