Pre-compile emberjs handlebars templates with browserify

gistfile1.js

var path = require('path')
var vm = require('vm')
var handlebarsjs = fs.readFileSync(__dirname + '/vendor/handlebars.js', 'utf8')
var emberjs = fs.readFileSync(__dirname + '/vendor/ember/ember.js', 'utf8')

browserify.register('handlebars', function (body, file) {
  //dummy jQuery
  var jQuery = function () { return jQuery }
  jQuery.ready = function () { return jQuery }
  jQuery.inArray = function () { return jQuery }
  jQuery.jquery = "1.8.2"
  jQuery.event = { fixHooks: {} }

  //dummy DOM element
  var element = {
    firstChild: function () { return element },
    innerHTML: function () { return element }
  }

  var sandbox = {
    // DOM
    document: {
      createRange: false,
      createElement: function () { return element }
    },

    // Console
    console: console,

    // jQuery
    jQuery: jQuery,
    $: jQuery,

    // handlebars template to compile
    template: body,

    // compiled handlebars template
    templatejs: null
  }

  // window
  sandbox.window = sandbox

  // create a context for the vm using the sandbox data
  var context = vm.createContext(sandbox)

  // load Handlebars and Ember into the sandbox
  vm.runInContext(handlebarsjs, context, 'ember.js')
  vm.runInContext(emberjs, context, 'ember.js')

  //compile the handlebars template inside the vm context
  vm.runInContext('templatejs = Ember.Handlebars.precompile(template).toString()', context)

  //name the template and return
  var fileName = path.basename(file)
  return 'Ember.TEMPLATES["' +
    fileName.replace(/.handlebars/, '') +
    '"] = Ember.Handlebars.template(' + context.templatejs + ');'
})

See https://github.com/substack/node-browserify/blob/master/doc/methods.markdown#bregisterext-fn for more details