mirror of
https://github.com/angular/angular
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59c152833e
This is only for the anchors on the same document for now. Commit also includes some reformating. fixes #64303 PR Close #64309
40 lines
1.2 KiB
TypeScript
40 lines
1.2 KiB
TypeScript
/*!
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.dev/license
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*/
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import {JSDOM} from 'jsdom';
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/** Whether the link provided is external to the application. */
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export function isExternalLink(href: string | undefined | null) {
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return href?.startsWith('http') ?? false;
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}
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/** Provide the correct target for the anchor tag based on the link provided. */
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export function anchorTarget(href: string | undefined | null) {
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return isExternalLink(href) ? ` target="_blank"` : '';
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}
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/**
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*
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* @param htmlString
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* @returns the first unknown anchor found or undefined if all anchors are valid
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*/
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export function hasUnknownAnchors(htmlString: string) {
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const fragment = JSDOM.fragment(htmlString);
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const anchors = fragment.querySelectorAll('a');
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return Array.from(anchors).find((anchor) => {
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const href = anchor.getAttribute('href');
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if (href?.startsWith('#')) {
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const id = href.slice(1);
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const target = fragment.getElementById(id);
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if (!target) {
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return href;
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}
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}
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return undefined;
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});
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}
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