@e-group/utils/esm/shortUsername/shortUsername.js

eGroup team utils that share across projects.

export default function shortUsername(username) {
  if (!username || !username.length) return;
  const isEnglish = /^[A-Za-z0-9]*$/.test(username);

  if (isEnglish) {
    return username.charAt(0).toUpperCase();
  }

  return username.slice(-2);
}