Browserify + NPM + Rails config variables cleanly shared with javascript

app.js.coffee

dm = require('lib/data_manager')
config = dm.load('data/with.json')

data-slash-with.json.erb

{
  "application": {
    "name": "<%= AppConfig.Application.brand %>"
  }
}

data_manager.js.coffee

path = require('path')

class DataManager
  @load: (file, name) ->
    responseData = null
    cleanPath = path.normalize(file)
    $.ajax({
      url: path.join('/assets', cleanPath)
      async: false
      dataType: 'json'
    }).done (data) => responseData = data
    return responseData

module.exports = DataManager