angular-cn/modules/@angular/platform-browser-dynamic/testing/dom_test_component_renderer.ts

28 lines
874 B
TypeScript

import {TestComponentRenderer} from '@angular/compiler/testing';
import {Inject, Injectable} from '@angular/core';
import {DOCUMENT} from '@angular/platform-browser';
import {el} from '@angular/platform-browser/testing';
import {getDOM} from '../platform_browser_private';
/**
* A DOM based implementation of the TestComponentRenderer.
*/
@Injectable()
export class DOMTestComponentRenderer extends TestComponentRenderer {
constructor(@Inject(DOCUMENT) private _doc: any /** TODO #9100 */) { super(); }
insertRootElement(rootElId: string) {
let rootEl = el(`<div id="${rootElId}"></div>`);
// TODO(juliemr): can/should this be optional?
let oldRoots = getDOM().querySelectorAll(this._doc, '[id^=root]');
for (let i = 0; i < oldRoots.length; i++) {
getDOM().remove(oldRoots[i]);
}
getDOM().appendChild(this._doc.body, rootEl);
}
}