Backbone.Marionette with Grunt and Browserify

application.js

var LayoutView = require('./views/LayoutView.js');

new LayoutView();

gruntfile.js

module.exports = function(grunt) {

	grunt.initConfig({

		pkg: grunt.file.readJSON('package.json'),

		browserify: {
			vendor: {
				src: 'src/js/vendor.js',
				dest: 'dist/js/vendor.js',
				options: {
					alias: [
						'./node_modules/handlebars/runtime.js:handlebars',
						'./node_modules/lodash/dist/lodash.underscore.js:underscore',
						'jquery:',
						'backbone:',
						'backbone.marionette:'
					]
				}
			},
			application: {
				src: 'src/js/application.js',
				dest: 'dist/js/application.js',
				options: {
					browserifyOptions: {
						debug: true
					},
					external: [
						'handlebars', 'underscore', 'jquery', 'backbone', 'backbone.marionette'
					]
				}
			}
		},

		watch: {
			scripts: {
				files: 'src/js/**/*.js',
				tasks: ['browserify:application'],
			}
		}

	});

	grunt.loadNpmTasks('grunt-contrib-watch');
	grunt.loadNpmTasks('grunt-browserify');

	grunt.registerTask('default', ['browserify:vendor', 'browserify:application', 'watch']);
};

LayoutView.js

var Marionette = require('backbone.marionette'),
    _ = require('underscore'); // return lodash instance

module.exports = Marionette.LayoutView.extend({

	initialize: function () {
	  console.log('Lodash version', _.VERSION);
	}
	
});

package.json

{
  "name": "sample",
  "version": "1.0.0",
  "description": "Your Application",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "grunt": "^0.4.5",
    "grunt-browserify": "^3.0.1",
    "grunt-contrib-watch": "^0.6.1"
  },
  "dependencies": {
    "backbone": "^1.1.2",
    "handlebars": "^2.0.0",
    "jquery": "^2.1.1",
    "lodash": "^2.4.1",
    "backbone.marionette": "^2.2.1"
  }
}

vendor.js

require('backbone').$ = require('jquery');