lodash/_baseCreate.js

define(['./isObject'], function(isObject) {

  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
  var undefined;

  /** Built-in value references. */
  var objectCreate = Object.create;

  /**
   * The base implementation of `_.create` without support for assigning
   * properties to the created object.
   *
   * @private
   * @param {Object} proto The object to inherit from.
   * @returns {Object} Returns the new object.
   */
  var baseCreate = (function() {
    function object() {}
    return function(proto) {
      if (!isObject(proto)) {
        return {};
      }
      if (objectCreate) {
        return objectCreate(proto);
      }
      object.prototype = proto;
      var result = new object;
      object.prototype = undefined;
      return result;
    };
  }());

  return baseCreate;
});