ts-npm-package-template/jest.config.cjs

module.exports = {
    preset: 'ts-jest',
    testEnvironment: 'node',
    testMatch: ['**/tests/**/*.spec.ts'],
    collectCoverageFrom: [
        '<rootDir>/src/**/*.ts',
        '!<rootDir>/src/types/**/*.ts'
    ],
    globals: {
        'ts-jest': {
            diagnostics: false,
            isolatedModules: true
        }
    }
};