jest.config.js

module.exports = {
    testEnvironment: 'node',
    transform: {
        '^.+\\.tsx?$': 'ts-jest'
    },
    collectCoverage: false,
    coverageDirectory: 'coverage',
    coverageReporters: [
        // 'lcov',
        'text',
    ],
    collectCoverageFrom: [
        'src/**/*.ts',
        '!src/**/*.spec.ts',
    ],
    testMatch: [
        '<rootDir>/src/**/*.spec.ts',
        '<rootDir>/src/example.ts',
    ],
    moduleFileExtensions: [
        'ts',
        'tsx',
        'js',
        'jsx',
        'json',
    ],
    modulePathIgnorePatterns: [
        '<rootDir>/dist',
    ],
    globals: {
        'ts-jest': {
            diagnostics: false,
            isolatedModules: true,
            tsConfig: {
                target: 'esnext',
            }
        },
    },
};