angular-docs-cn/packages/upgrade/test/common/test_helpers.ts

36 lines
1.1 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
export function html(html: string): Element {
// Don't return `body` itself, because using it as a `$rootElement` for ng1
// will attach `$injector` to it and that will affect subsequent tests.
const body = document.body;
body.innerHTML = `<div>${html.trim()}</div>`;
const div = document.body.firstChild as Element;
if (div.childNodes.length === 1 && div.firstChild instanceof HTMLElement) {
return div.firstChild;
}
return div;
}
export function multiTrim(text: string | null | undefined, allSpace = false): string {
if (typeof text == 'string') {
const repl = allSpace ? '' : ' ';
return text.replace(/\n/g, '').replace(/\s+/g, repl).trim();
}
throw new Error('Argument can not be undefined.');
}
export function nodes(html: string) {
const div = document.createElement('div');
div.innerHTML = html.trim();
return Array.prototype.slice.call(div.childNodes);
}