YUI config

yui-config

      YUI({
        comboBase: '/yui3?',
        combine: true,
        root: 'build/',
        groups: {
          contrib: {
            comboBase: '/yui3-contrib?',
            combine: true,
            // explicitly list the modules and deps, this improves combohandler bundling of
            // script requests
            patterns: {
              'my-': {},
              'mycss-': { type: 'css' }
            }
          }
        }
      }).use('widget', 'my-module-bar', function (Y) {
      });