GitHub pr counter

background.js

// background.js (robust counting + diagnostics)
chrome.action.onClicked.addListener(async () => {
  console.log("Extension clicked — starting PR count...");

  const tabs = await chrome.tabs.query({ url: "https://github.com/*" });
  if (!tabs.length) {
    console.warn("No matching GitHub tabs open.");
    return;
  }

  for (const tab of tabs) {
    try {
      const results = await chrome.scripting.executeScript({
        target: { tabId: tab.id },
        func: () => {
          const txt = el => (el && el.textContent ? el.textContent.trim() : "");
          const delay = ms => new Promise(r => setTimeout(r, ms));

          const scanOnce = () => {
            const anchors = Array.from(document.querySelectorAll('a[href*="/pull/"]'));
            const allPaths = new Set();
            anchors.forEach(a => {
              try { allPaths.add(new URL(a.href, location.origin).pathname); } catch(e) {}
            });

            // match anchors that appear inside an activity/timeline node that mentions "pull request" + verbs
            const matched = anchors.filter(a => {
              let node = a;
              for (let i = 0; i < 8 && node; i++) {
                const t = txt(node);
                if (/\bpull request\b/i.test(t) &&
                    /(created|opened|submitted|merged|closed|opened other|opened.*other)/i.test(t)) {
                  return true;
                }
                node = node.parentElement;
              }
              return false;
            });

            const explicitPaths = new Set(matched.map(a => {
              try { return new URL(a.href, location.origin).pathname; } catch(e) { return a.getAttribute('href'); }
            }));

            // summary patterns like "Opened 10 other pull requests in 2 repositories"
            let otherCount = 0;
            const summaryCandidate = Array.from(document.querySelectorAll('*')).find(el =>
              /\bOpened\s+\d+\s+other pull requests\b/i.test(txt(el)) ||
              /\bopened\s+\d+\s+other pull requests\b/i.test(txt(el)) ||
              /\bOpened\s+\d+\s+pull requests\b/i.test(txt(el))
            );
            if (summaryCandidate) {
              const m = txt(summaryCandidate).match(/(\d+)/);
              if (m) otherCount = parseInt(m[1], 10);
            }

            return {
              anchorsFound: anchors.length,
              uniquePRPaths: allPaths.size,
              matchedAnchors: matched.length,
              explicitPRs: explicitPaths.size,
              otherCount,
              total: explicitPaths.size + otherCount
            };
          };

          // retry a few times to let dynamic content render
          return (async () => {
            const maxRetries = 6;
            for (let i = 0; i <= maxRetries; i++) {
              const r = scanOnce();
              if (r.anchorsFound > 0 || i === maxRetries) {
                chrome.runtime.sendMessage({ __pr_counter_result: r, url: location.href });
                return r;
              }
              await delay(300);
            }
          })();
        }
      });
      console.log(`Injected into tab ${tab.id}`, results);
    } catch (err) {
      console.error('Injection error for tab', tab.id, err);
    }
  }
});

chrome.runtime.onMessage.addListener((message) => {
  if (message && message.__pr_counter_result) {
    const r = message.__pr_counter_result;
    console.log(`Results from ${message.url}`);
    console.log(`- anchorsFound: ${r.anchorsFound}`);
    // console.log(`- uniquePRPaths: ${r.uniquePRPaths}`);
    // console.log(`- matchedAnchors: ${r.matchedAnchors}`);
    // console.log(`- explicitPRs: ${r.explicitPRs}`);
    // console.log(`- otherCount: ${r.otherCount}`);
    // console.log(`- total: ${r.total}`);
  }
});

manifest.json

{
  "manifest_version": 3,
  "name": "GitHub PR Counter",
  "version": "1.0",
  "description": "Counts PRs from GitHub profile pages.",
  "permissions": [
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "https://github.com/*"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_title": "Count GitHub PRs"
  }
}