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Fix markdown anchor re-clicking (#21931) (#21946)

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Backport #21931. The hashchange event did not fire on re-click of a
active anchor. Instead, use the click event which always fires.

Fixes: https://github.com/go-gitea/gitea/issues/21680

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: zeripath <art27@cantab.net>
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silverwind 2022-11-26 17:21:13 +01:00 committed by GitHub
parent b56d269cf8
commit cddceb9dca
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1 changed files with 9 additions and 6 deletions
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15
web_src/js/markup/anchors.js
View file

@ -2,10 +2,11 @@ import {svg} from '../svg.js';
const headingSelector = '.markup h1, .markup h2, .markup h3, .markup h4, .markup h5, .markup h6';
function scrollToAnchor() {
if (document.querySelector(':target')) return;
if (!window.location.hash || window.location.hash.length <= 1) return;
const id = decodeURIComponent(window.location.hash.substring(1));
function scrollToAnchor(hash, initial) {
// abort if the browser has already scrolled to another anchor during page load
if (initial && document.querySelector(':target')) return;
if (hash?.length <= 1) return;
const id = decodeURIComponent(hash.substring(1));
const el = document.getElementById(`user-content-${id}`);
if (el) {
el.scrollIntoView();
@ -24,9 +25,11 @@ export function initMarkupAnchors() {
a.classList.add('anchor');
a.setAttribute('href', `#${encodeURIComponent(originalId)}`);
a.innerHTML = svg('octicon-link');
a.addEventListener('click', (e) => {
scrollToAnchor(e.currentTarget.getAttribute('href'), false);
});
heading.prepend(a);
}
scrollToAnchor();
window.addEventListener('hashchange', scrollToAnchor);
scrollToAnchor(window.location.hash, true);
}