Sample split grunt-browserify config for vendors + applications files with react

browserify.js

var externalModules = [
    'fs',
    'events',
    'react',
    'react-addons',
    'lodash'
];

module.exports = {
    vendors: {
        src: ['.'],
        dest: 'js/vendors.js',
        options: {
          debug: true,
          alias: externalModules.map(function(module) {
            return module + ':';
          }),
          external: null
        }
    },
    dev: {
        options: {
            transform: ['reactify', 'brfs'],
            debug: true,
            external: externalModules
        },
        files: {
            'js/bundle.js': ['src/app.jsx'],
        }
    }
};