build.js

#!/usr/bin/env node
var browserify = require('browserify'),
    async      = require('async'),
    glob       = require('glob'),
    path       = require('path'),
    fs         = require('fs'),
    _bundleCounter = 0,
    _buildCounter  = 0,
    _pieces        = {};

var b = browserify()
  .require('./node_modules/rendr/node_modules/underscore/underscore.js', {expose: 'underscore'})
  .require('./node_modules/rendr/node_modules/backbone/backbone.js', {expose: 'backbone'})
  .require('./node_modules/rendr/node_modules/async/index.js', {expose: 'async'})
  .require('./node_modules/rendr/node_modules/handlebars/lib/handlebars.js', {expose: 'handlebars'})
  .require('./node_modules/rendr/node_modules/qs/index.js', {expose: 'qs'})
  .ignore('express')
  .ignore('validator');

function _bundle() {
  if (++_bundleCounter == 2) {
    b.bundle(function(err, source) {
      _build('bundle', source);
    });
  }
}
function _build(target, contents) {
  _pieces[target] = contents;

  if (++_buildCounter == 2) {
    process.stdout.write(_pieces.vendor);
    process.stdout.write("\n");
    process.stdout.write(_pieces.bundle);
  }
}

glob('./node_modules/rendr/{client,shared}/**/*.js', function(err, files) {
  if (err) {
    console.err(err);
    return;
  }

  files.forEach(function(file) {
    var exposed = file.replace(/^\.\/node_modules\/(.*?)\.js$/, '$1');
    b.require(file, {expose: exposed});
  });

  _bundle();
});
glob('./app/**/*.js', function(err, files) {
  if (err) {
    console.err(err);
    return;
  }

  files.forEach(function(file) {
    var exposed = file.replace(/^\.(.*?)\.js$/, '$1');
    b.require(file, {expose: exposed});
  });

  _bundle();
});
glob('./assets/vendor/**/*.js', function(err, files) {
  if (err) {
    console.err(err);
    return;
  }

  async.map(files, fs.readFile, function(err, sources) {
    _build('vendor', sources.join("\n"));
  });
});