repo_description: MongoDB object modeling designed to work in an asynchronous environment.
repo_topics: mongo mongodb nodejs odm orm
code: 'use strict';
  
  /**
   * If `val` is an object, returns constructor name, if possible. Otherwise returns undefined.
   * @api private
   */
  
  module.exports = function getConstructorName(val) {
    if (val == null) {
      return void 0;
    }
    if (typeof val.constructor !== 'function') {
      return void 0;
    }
    return val.constructor.name;
  };
  