import { getLocationHash } from '../lib/utils/url_utility'; const lineNumberRe = /^(L|LC)[0-9]+/; const updateLineNumbersOnBlobPermalinks = (linksToUpdate) => { const hash = getLocationHash(); if (hash && lineNumberRe.test(hash)) { const hashUrlString = `#${hash}`; [].concat(Array.prototype.slice.call(linksToUpdate)).forEach((permalinkButton) => { const baseHref = permalinkButton.dataset.originalHref || (() => { const href = permalinkButton.getAttribute('href'); // eslint-disable-next-line no-param-reassign permalinkButton.dataset.originalHref = href; return href; })(); permalinkButton.setAttribute('href', `${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;