module.exports = function(aurelia) {
  aurelia.bundle({
    js: [{
      moduleExpression: 'aurelia-skeleton-navigation/*',
      fileName: 'nav-app-build.js',
      options: {
        inject: true
      }
    }, {
      moduleExpression: 'aurelia-bootstrapper',
      fileName: 'aurelia-framework-build.js',
      options: {
        inject: true
      }
    }],
    template: {
      pattern: 'dist/*.html',
      outfile: 'bundle.html'
    }
  });
}


module.exports = function(aurelia) {
  aurelia.bundle({
    js: {
      app: {
        modules: [
          'aurelia-skeleton-navigation/*',
        ],
        options: {
          inject: true
        }
      },
      'aurelia-bundle': {
        modules: [
          'aurelia-bootstrapper',
          'aurelia-router',
          'aurelia-http-client'
        ],
        options: {
          inject: false
        }
      }
    },
    template: {
      app: {
        pattern: 'dist/*.html',
        inject: true,
      }
    }
  });
};

update config file example