export.txt

component.js
    const alert = ({ title, message }) => {};
    const confirm = ({ title, message, cancelable }) => {};

    export { alert, confirm };

-----------------------

app.js
    import * as Notificable from '../component';

    Notificable.alert();

app.js
    import { alert } from '../component';

    alert();


=========================================================================



component.js
    const alert = ({ title, message }) => {};
    const confirm = ({ title, message, cancelable }) => {};

    export default alert;

------------------------
app.js
    import alert from './component';

    alert();

=========================================================================



component.js
    const alert = ({ title, message }) => {};
    const confirm = ({ title, message, cancelable }) => {};

    export confirm;
    export default alert;

------------------------
app.js
    import alert, { confirm } from './component';