Declarative Metadata (Angular 2.0 directive)

directive.js

// AtScript
@Directive({
  selector: '[blink]'
})
class Blink {
  constructor(elment:Element, options:Options, timeout:Timeout) {}
}

// ES6
class Blink {
  constructor(elment, options, timeout) {}
}
Blink.annotations = [new Directive({selector: '[blink]'})];
Blink.parameters = [Element, Options, Timeout];

// ES5
function Blink(elment, options, timeout) {}

Blink.annotations = [new Directive({selector: '[blink]'})];
Blink.parameters = [Element, Options, Timeout];