gitlab-org--gitlab-foss/app/assets/javascripts/blob/blob_line_permalink_updater.js

35 lines
1.2 KiB
JavaScript

const lineNumberRe = /^L[0-9]+/;
const updateLineNumbersOnBlobPermalinks = (linksToUpdate) => {
const hash = gl.utils.getLocationHash();
if (hash && lineNumberRe.test(hash)) {
const hashUrlString = `#${hash}`;
[].concat(Array.prototype.slice.call(linksToUpdate)).forEach((permalinkButton) => {
const baseHref = permalinkButton.getAttribute('data-original-href') || (() => {
const href = permalinkButton.getAttribute('href');
permalinkButton.setAttribute('data-original-href', href);
return href;
})();
permalinkButton.setAttribute('href', `${baseHref}${hashUrlString}`);
});
}
};
function BlobLinePermalinkUpdater(blobContentHolder, lineNumberSelector, elementsToUpdate) {
const updateBlameAndBlobPermalinkCb = () => {
// Wait for the hash to update from the LineHighlighter callback
setTimeout(() => {
updateLineNumbersOnBlobPermalinks(elementsToUpdate);
}, 0);
};
blobContentHolder.addEventListener('click', (e) => {
if (e.target.matches(lineNumberSelector)) {
updateBlameAndBlobPermalinkCb();
}
});
updateBlameAndBlobPermalinkCb();
}
export default BlobLinePermalinkUpdater;