x.js

x.js

var _ = require('underscore');

config = {
    'compiled_cache_dir': '../css/tmp',

    'processors': {
        'js':     'java -jar YUICompressor.jar {input}',
        'coffee': ['coffee -c {input} {output}', 'js'],
        'less':   ['lessc', 'css']
        },

    'combined': {
        'c.carrier.js': [
            'portlets/carrier/profile.js',
            'portlets/carrier/a.profile.js'
            ],
        'other_file.js': [
            'portlets/carrier/profile.js'
            ],
        'c.carrier.css': [
            'portlets/carrier/profile.css'
            ]
        },

    'css_base_dir': './public/css',
    'js_base_dir': './public/js',

    'global_js_filename': 'c.global.js',
    'global_css_filename': 'c.global.css'
};


result = _.reduce(_.keys(config.combined || {}),
         function (memo, combined_file) {
             return _.reduce(config.combined[combined_file], function (inner_memo, current_file) {
                          if (inner_memo[current_file] === undefined) {
                              inner_memo[current_file] = [];
                          }
                          inner_memo[current_file].push(combined_file);
                          return inner_memo;
                      },
                      memo);
         },
                  {});