content.js

// Matches commit-author links like:
//   /org/repo/commits?author=username
//   /org/repo/commits/branch?author=username
// Rewrites them to: /username (the user's profile)
const AUTHOR_COMMIT_LINK = /^\/[^/]+\/[^/]+\/commits(\/[^?]*)?\?author=(.+)$/;

function rewriteLinks() {
  const links = document.querySelectorAll('a[href*="commits?author="], a[href*="commits/?author="]');
  for (const link of links) {
    const path = link.pathname + link.search;
    const match = path.match(AUTHOR_COMMIT_LINK);
    if (match) {
      const username = decodeURIComponent(match[2]);
      link.href = `https://github.com/${username}`;
    }
  }
}

rewriteLinks();

// GitHub uses Turbo (pjax-style navigation), so we need to catch DOM changes
let pending = null;
const observer = new MutationObserver(() => {
  if (pending) return;
  pending = requestAnimationFrame(() => {
    rewriteLinks();
    pending = null;
  });
});
observer.observe(document.body, { childList: true, subtree: true });