lodash/_hashGet.js

define(['./_nativeCreate'], function(nativeCreate) {

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

  /** Used to stand-in for `undefined` hash values. */
  var HASH_UNDEFINED = '__lodash_hash_undefined__';

  /** Used for built-in method references. */
  var objectProto = Object.prototype;

  /** Used to check objects for own properties. */
  var hasOwnProperty = objectProto.hasOwnProperty;

  /**
   * Gets the hash value for `key`.
   *
   * @private
   * @param {Object} hash The hash to query.
   * @param {string} key The key of the value to get.
   * @returns {*} Returns the entry value.
   */
  function hashGet(hash, key) {
    if (nativeCreate) {
      var result = hash[key];
      return result === HASH_UNDEFINED ? undefined : result;
    }
    return hasOwnProperty.call(hash, key) ? hash[key] : undefined;
  }

  return hashGet;
});