alfresco-ng2-components/demo-shell-ng2/app/components/common/MaterialDesignLiteUpgradeElement.ts

import {Directive, AfterViewInit} from 'angular2/core';
declare var componentHandler;

@Directive({
    selector: '[mdl]'
})
export class MDL implements AfterViewInit {
    ngAfterViewInit() {
        componentHandler.upgradeAllRegistered();
    }
}