// Moved from widgets/map3d/lib/mapCore.ts to resolve FSD layer violation
// (features/ must not import from widgets/).

export function getMapTilerKey(): string | null {
  const k = import.meta.env.VITE_MAPTILER_KEY;
  if (typeof k !== 'string') return null;
  const v = k.trim();
  return v ? v : null;
}