Angular2 translate component/directive

translate.ts

import {Directive, ElementRef, Input} from "angular2/core";
import {TranslateService} from "ng2-translate";

@Directive({
	selector: '[translate]'
})
export class Translate {
	constructor(private translateService:TranslateService, private element:ElementRef) {
	}

	@Input('translate')
	set translate(key:string) {
		let self = this;
		this.translateService.get(key).subscribe(value => this.element.nativeElement.innerHTML = value);
	}
}