// xjs.js - Combined build (example)
// This file is auto-generated/merged in production.
// For dev, it imports animal and layer from window if loaded separately.

(function(global) {
  // If we are in a merged environment, Layer and animal might be defined in closures above.
  // But here we simulate the final structure.
  
  // Ensure we have a global entry point if not already
  const x = global.animal || {};
  
  // Extend animal with Layer features if not present
  if (global.Layer && !x.Layer) {
    x.Layer = global.Layer;
  }
  
  // Export to global 'x' or 'xjs' as short alias?
  // global.x = x; 
  
})(typeof window !== 'undefined' ? window : this);