var app = angular.module("testApp", []);

​

function Component(moduleOrName: string | ng.IModule, selector: string, options: {

  controllerAs?: string,

  template?: string,

  templateUrl?: string

}) {

  return (controller: Function) => {

    var module = typeof moduleOrName === "string" ? angular.module(moduleOrName) : moduleOrName;

    module.component(selector, angular.extend(options, { controller: controller }));

  }

}

​

@Component(app, 'testComponent', {

  controllerAs: 'ct',

  template: `

    <div>

      <input type="text" ng-model="ct.count">

      <button type="button" ng-click="ct.decrement();">-</button>

      <button type="button" ng-click="ct.increment();">+</button>

    </div>

  `

})

class CounterTest {

  count = 0;

  increment() {

    this.count++;

  }

  decrement() {

    this.count--;

  }

}

​