agneta-platform/pages/scripts/helpers/fragment_cache.js

Agneta Platform - Integrate and customize business applications

/*   Copyright 2017 Agneta Network Applications, LLC.
 *
 *   Source file: pages/scripts/helpers/fragment_cache.js
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */
'use strict';

module.exports = function(locals) {

  var project = locals.project;
  var cache = {};

  function fragmentCache(id, fn) {
    if (this.cache && cache[id] != null) return cache[id];

    var result = cache[id] = fn();
    return result;
  }

  project.extend.helper.register('fragment_cache', fragmentCache);

};