Ben / RubHub

type SessionUser = {
  id: string;
  username: string;
};

function readSessionUser(): SessionUser | null {
  const cookie = document.cookie
    .split('; ')
    .find((row) => row.startsWith('session_user='));

  if (!cookie) return null;

  try {
    const value = decodeURIComponent(cookie.split('=')[1]);
    const parsed = JSON.parse(value);
    if (parsed?.id && parsed?.username) {
      return {id: parsed.id, username: parsed.username};
    }
  } catch (_) {
    return null;
  }

  return null;
}

const browseLink = document.querySelector<HTMLAnchorElement>('#browse-link');
if (browseLink) {
  const user = readSessionUser();
  browseLink.href = user ? `/${user.username}/projects` : '/login';
}