1
App.ts屬性不使用打字稿
import { $, WebElement } from 'protractor';
export class App {
public appName: WebElement;
constructor() {
this.appName = $('#appName');
}
}
app.e2e.test.ts
import { browser, $ } from 'protractor';
import { App } from '../pageobjects/App'
const BASE_URL = 'http://localhost:1344';
describe('App',() => {
beforeEach(() => {
browser.get(BASE_URL);
});
it('should load the Sites UI homepage',() => {
console.log(App.appName);
});
});
任何想法,爲什麼我不能訪問App.ts
定義的屬性類型上存在?
錯誤:
> tsc -p tsconfig.test.json && protractor dist/protractor.config.js
test/e2e/app.e2e.test.ts(15,28): error TS2339: Property 'appName' does not exist on type 'typeof App'.
您正試圖在typeof應用上訪問它,而不是在類的實例上。您需要在訪問屬性之前創建該類的實例。也許讀一下關於類和類實例之間的區別會有所幫助。 :) https://www.quora.com/What-is-difference-between-an-object-a-class-and-an-instance – toskv