UMD pattern for Angular directive

directive.js

!function(root, name, make) {
  (root.angular || require('angular')).module(name, []).directive(name, make = make())
  typeof module != 'undefined' && module.exports ? module.exports = make : root[name] = make
}(this, 'myDirective', function() {
  return function() {
    var angular = window.angular || require('angular')

    return {
      link: function (scope, element, atts) {
      }
    }
  }
});