import { Directive } from "@angular/core" ; @ Directive ( { selector : "FacebookLoginButton" } ) export class FacebookLoginButtonDirective { } @ Directive ( { selector : "FacebookShareButton" } ) export class FacebookShareButtonDirective { } @ Directive ( { selector : "FacebookSendButton" } ) export class FacebookSendButtonDirective { } export const DIRECTIVES = [ FacebookLoginButtonDirective , FacebookShareButtonDirective , FacebookSendButtonDirective ] ;