export function isValidName(name: string): boolean {
  return /^[a-z][a-z0-9]{2,31}$/.test(name);
}

export function validateName(name: string): string {
  if (!/^[a-z]/.test(name)) throw new Error("Must start with lowercase letter");
  if (name.length < 3) throw new Error("Too short");
  if (name.length > 32) throw new Error("Too long");
  if (!isValidName(name)) throw new Error("Lowercase letters and numbers only");
  return name;
}