marko/compiler/taglib-loader/index.js

/*
* Copyright 2011 eBay Software Foundation
*
* 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.
*/

var loader = require('./loader');
var Taglib = require('./Taglib');

var cache = {};

function load(path) {
    // Only load a taglib once by caching the loaded taglibs using the file
    // system path as the key
    if (cache[path]) {
        return cache[path];
    }

    var taglib = cache[path] = new Taglib(path);

    loader.taglibLoader.loadTaglib(path, taglib);

    cache[path] = taglib;

    return taglib;
}

exports.load = load;