console.clear()

​

var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg

var ARROW_ARG = /^([^(]+?)=>/

var FN_ARGS = /^[^(]*\(\s*([^)]*)\)/m

var FN_ARG_SPLIT = /,/

var FN_ARG = /^\s*(_?)(\S+?)\1\s*$/

​

function ext_args(fn) {

  var str = Function.prototype.toString.call(fn).replace(STRIP_COMMENTS, ''),

    args = str.match(ARROW_ARG) || str.match(FN_ARGS)

  return args

}

​

function controller(name, fn) {

  var $inject = [],

    args = ext_args(fn)[1]

  if (args === "") return;

  var $injectable = {

    $scope: { name: "SCOPE" },

    $element: { name: "ELEMENT" },

    $props: ["foo", "bar", "baz"]

  }

  args.split(FN_ARG_SPLIT).forEach(function(arg) {

    arg.replace(FN_ARG, function(all, underscore, name) {

      $inject.push($injectable[name])

    })

  })

  fn.apply(null, $inject)

}

​

controller("MyController1", function($scope, $element, $props) {

  console.group("MyController1")

  console.log(1, $scope)

  console.log(2, $element)

  console.log(3, $props)

  console.groupEnd("MyController1")

})

​

controller("MyController2", function($props, $scope, $element) {

  console.group("MyController2")

  console.log(1, $scope)

  console.log(2, $element)

  console.log(3, $props)

  console.groupEnd("MyController2")

})

​