Extract two initials from name string

initials.js

const makeInitial = (name) => {
    const rgx = new RegExp(/(\p{L}{1})\p{L}+/, 'gu');

    let initials = [...name.matchAll(rgx)] || [];

    return (
        (initials.shift()?.[1] || '') + (initials.pop()?.[1] || '')
    ).toUpperCase();
}