_safeGet.js

define([], function() {

  /**
   * Gets the value at `key`, unless `key` is "__proto__".
   *
   * @private
   * @param {Object} object The object to query.
   * @param {string} key The key of the property to get.
   * @returns {*} Returns the property value.
   */
  function safeGet(object, key) {
    if (key == '__proto__') {
      return;
    }

    return object[key];
  }

  return safeGet;
});