foam-framework/core/bootFOAMAppsv2.js

MVC metaprogramming framework

/**
 * @license
 * Copyright 2013 Google Inc. All Rights Reserved.
 *
 * 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 files = [
    'FOAMmodels'
];

if ( ! this.FOAM_BOOT_DIR ) FOAM_BOOT_DIR = '/';

var withFOAM = function(extra, cb) {
   var script;
    (function loadNextFile() {
        if ( script ) document.body.removeChild(script);
        var file = files.shift();
        while ( Array.isArray(file) && file[1]()) {
          file = files.shift();
        }
        if ( Array.isArray(file) ) file = file[0];
        if (!file) {
            file = extra ? extra.shift() : undefined;
            if (!file) {
                cb();
                return;
            }
        }
        var script = document.createElement('script');
        script.src = FOAM_BOOT_DIR + file + '.js';
        script.onload = loadNextFile;
        document.body.appendChild(script);
    })();
};