old_contents: 'use strict';
  
  /* create.js
   * Create new tree components through SPV lib.
   */
  
  function create(constructor, prototype){
    let NewComponent = function(){
      if (!new.target) return new NewComponent(...arguments);
      constructor.apply(this, arguments);
    }
  
    NewComponent.prototype = prototype;
    return NewComponent;
  }
  
  module.exports = create;
  
new_contents: 'use strict';
  
  /* create.js
   * Create new tree components through SPV lib.
   */
  
  module.exports = exports = create;
  
  function create(constructor, prototype){
    let NewComponent = function(){
      if (!new.target) return new NewComponent(...arguments);
      constructor.apply(this, arguments);
    }
  
    NewComponent.prototype = prototype;
    return NewComponent;
  }
  
subject: Add exports to object.