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Fix line-button issue after file selection in file tree (#34574)

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Fix the issue where the line-button fails to work after selecting a file
from the file tree.

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
Kerwin Bryant
2025-06-02 09:52:12 +08:00
committed by GitHub
parent bb6377d080
commit 74858dc5ae
3 changed files with 35 additions and 11 deletions
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13
web_src/js/features/repo-code.ts
View File

@ -110,10 +110,15 @@ function showLineButton() {
}
export function initRepoCodeView() {
if (!document.querySelector('.code-view .lines-num')) return;
// When viewing a file or blame, there is always a ".file-view" element,
// but the ".code-view" class is only present when viewing the "code" of a file; it is not present when viewing a PDF file.
// Since the ".file-view" will be dynamically reloaded when navigating via the left file tree (eg: view a PDF file, then view a source code file, etc.)
// the "code-view" related event listeners should always be added when the current page contains ".file-view" element.
if (!document.querySelector('.repo-view-container .file-view')) return;
// "file code view" and "blame" pages need this "line number button" feature
let selRangeStart: string;
addDelegatedEventListener(document, 'click', '.lines-num span', (el: HTMLElement, e: KeyboardEvent) => {
addDelegatedEventListener(document, 'click', '.code-view .lines-num span', (el: HTMLElement, e: KeyboardEvent) => {
if (!selRangeStart || !e.shiftKey) {
selRangeStart = el.getAttribute('id');
selectRange(selRangeStart);
@ -125,12 +130,14 @@ export function initRepoCodeView() {
showLineButton();
});
// apply the selected range from the URL hash
const onHashChange = () => {
if (!window.location.hash) return;
if (!document.querySelector('.code-view .lines-num')) return;
const range = window.location.hash.substring(1);
const first = selectRange(range);
if (first) {
// set scrollRestoration to 'manual' when there is a hash in url, so that the scroll position will not be remembered after refreshing
// set scrollRestoration to 'manual' when there is a hash in the URL, so that the scroll position will not be remembered after refreshing
if (window.history.scrollRestoration !== 'manual') window.history.scrollRestoration = 'manual';
first.scrollIntoView({block: 'start'});
showLineButton();