app.po.ts

import { browser, by, element } from "protractor";
import { promise } from "selenium-webdriver";

export class AppPage {
  public navigateTo(): promise.Promise< any > {
    return browser.get("/");
  }

  public getParagraphText(): promise.Promise<string> {
    return element(by.css("app-root h1")).getText();
  }
}