## Jest ### Example jest setup ```ts module.exports = { setupFilesAfterEnv: ['./scripts/jest.setup.js'], preset: 'ts-jest', testEnvironment: 'node', testMatch: ['**/__tests__/**/*.test.ts', '**/?(*.)+(test).ts'], moduleDirectories: ['node_modules', 'src'], moduleNameMapper: { '^src/(.*)$': '/src/$1', // Map src to the source folder '^ts-injex$': '/node_modules/ts-injex/src', // Map ts-injex to the source folder }, transformIgnorePatterns: [ 'node_modules/(?!ts-injex)' // **Dont** ignore ts-injex on preset `ts-jest` ], }; ```