gistfile1.coffee

window.global = window
global.modules = {}

imports = (moduleName) ->
  if not modules[moduleName]
    console.error "imports '#{moduleName}': module not found."
    return null

  else if modules[moduleName].exports
    return modules[moduleName].exports

  else if not modules[moduleName].closureCalled
    modules[moduleName].closureCalled = true
    modules[moduleName].closure.call undefined
    return modules[moduleName].exports

  else
    error = "#{moduleName}: circular module imports are not allowed. " +
            "Please read <docs/modules.md> for more details"
    console.error error
    return null

module = (name, closure) ->
  modules[name] = {}
  modules[name].exports = null
  modules[name].closure = closure
  modules[name].closureCalled = false

window.addEventListener 'load', =>
  mainModule = document.querySelector('html').dataset.component
  imports(mainModule).init()