1// @esModuleInterop: true 2// @importHelpers: true 3// @noEmitHelpers: true 4// @target: es2017 5// @module: commonjs 6// @filename: types.d.ts 7declare module "tslib" { export const __exportStar: any; export const __importDefault: any; export const __importStar: any; } 8// @filename: utils/username.ts 9export const username = () => 'username'; 10// @filename: utils/index.ts 11export * from './username'; 12// @filename: hello.ts 13const sayHello = (name?: string) => void (`Hello, ${name}!`); 14 15export default sayHello; 16// @filename: index.ts 17import sayHello from "./hello"; 18import { username } from './utils'; 19 20sayHello(username());