GitLab: jump between diff files with J/K
Adds J and K shortcuts to quickly scroll between successive changed files in a merge request.
Code to copy
// Use J and K keys to jump between diff files in a merge request
function files() {
return Array.prototype.slice.call(document.querySelectorAll('.diff-file'));
}
function jump(dir) {
const list = files();
if (!list.length) { return; }
const y = window.scrollY + 80;
let idx = list.findIndex(function (f) { return f.offsetTop > y; });
if (dir < 0) { idx = idx <= 0 ? 0 : idx - 1; }
else if (idx === -1) { idx = list.length - 1; }
const target = list[Math.max(0, Math.min(idx, list.length - 1))];
if (target) { window.scrollTo({ top: target.offsetTop - 60, behavior: 'smooth' }); }
}
document.addEventListener('keydown', function (e) {
const tag = (e.target.tagName || '').toLowerCase();
if (tag === 'input' || tag === 'textarea' || e.target.isContentEditable) { return; }
if (e.key === 'j') { jump(1); }
else if (e.key === 'k') { jump(-1); }
});How to use this example
- Copy the code with the button above.
- Install JustZix (2 minutes) and open the extension on the target page.
- Add a new rule matching that page.
- Paste the code into the rule's JavaScript panel and save — it runs on every page visit.
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