From 96396c4ed853652ea311d006b4ebe6af15b40684 Mon Sep 17 00:00:00 2001
From: Joe Mou <dev@mou.fo>
Date: Wed, 27 May 2026 14:02:36 -0400
Subject: Add repo-scoped search support for issues and PRs

We do not support hybrid issue/PR search. Any searches on the issues
endpoint will redirect to an explicit issue-only search.
---
 src/index.ts        | 26 +++++++++++++++++++++++++-
 src/scraper.test.ts | 15 +++++++++++++++
 src/scraper.ts      | 20 ++++++++++----------
 3 files changed, 50 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/index.ts b/src/index.ts
index eb3a0ee..db9915f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -70,7 +70,31 @@ app.get("/:owner/:repo/raw/:branch/:path{.*}", async (c) => {
 
 app.get("/:owner/:repo/issues", async (c) => {
   const { owner, repo } = c.req.param();
-  return tryRender(c, "issues.eta", getGitHubIssues(owner, repo));
+  const q = c.req.query("q");
+
+  // GitHub supports combined issue/PR search, apparently for legacy. We just
+  // redirect to issue-only search.
+  if (q && !/\bis:issue\b/.test(q)) {
+    return c.redirect(`/${owner}/${repo}/issues?q=${encodeURIComponent(`is:issue ${q}`)}`);
+  }
+
+  return tryRender(c, "issues.eta", getGitHubIssues(owner, repo, { q }));
+});
+
+app.get("/:owner/:repo/search", async (c) => {
+  const { owner, repo } = c.req.param();
+  const q = c.req.query("q") ?? "";
+  const type = c.req.query("type") ?? "issues";
+
+  if (type === "issues") {
+    return c.redirect(`/${owner}/${repo}/issues?q=${encodeURIComponent(q)}`);
+  }
+
+  // Redirect unhandled search types (like code, which requires sign in anyway).
+  c.header("Referrer-Policy", "no-referrer");
+  return c.redirect(
+    `https://github.com/${owner}/${repo}/search?${new URLSearchParams(c.req.query()).toString()}`,
+  );
 });
 
 app.get("/:owner/:repo/commits/:branch/:path{.*}?", async (c) => {
diff --git a/src/scraper.test.ts b/src/scraper.test.ts
index 42ddd6e..236b0f5 100644
--- a/src/scraper.test.ts
+++ b/src/scraper.test.ts
@@ -127,6 +127,7 @@ describe("GitHub scraper", () => {
 
       assert.strictEqual(data.repo.owner, "actions");
       assert.strictEqual(data.repo.name, "deploy-pages");
+      assert.strictEqual(data.q, undefined);
 
       const issue402 = data.issues.find((issue) => issue.number === 402);
       assert.ok(issue402);
@@ -135,6 +136,20 @@ describe("GitHub scraper", () => {
       assert.strictEqual(issue402.createdAt, "2025-07-03T19:07:08Z");
     });
 
+    it("should fetch filtered issues with q", async () => {
+      const data = await getGitHubIssues("actions", "deploy-pages", {
+        q: "is:issue state:closed",
+      });
+
+      assert.strictEqual(data.repo.owner, "actions");
+      assert.strictEqual(data.repo.name, "deploy-pages");
+      assert.strictEqual(data.q, "is:issue state:closed");
+      const issue417 = data.issues.find((issue) => issue.number === 417);
+      assert.ok(issue417);
+      assert.strictEqual(issue417.title, "Chats");
+      assert.ok(data.issues.every((issue) => issue.title !== ""));
+    });
+
     it("should fetch commits", async () => {
       const data = await getGitHubCommits("actions", "deploy-pages", "main", "");
 
diff --git a/src/scraper.ts b/src/scraper.ts
index 04a685b..2412e49 100644
--- a/src/scraper.ts
+++ b/src/scraper.ts
@@ -258,6 +258,7 @@ interface Issue {
 
 export interface GitHubIssues extends GitHubCommon {
   issues: Issue[];
+  q?: string;
 }
 
 export interface GitHubCommits extends GitHubNav {
@@ -513,9 +514,14 @@ export async function getGitHubBlob(
   });
 }
 
-export async function getGitHubIssues(owner: string, repo: string): Promise<GitHubIssues> {
-  const html = await fetchGitHubPage(`${owner}/${repo}/issues`);
-
+export async function getGitHubIssues(
+  owner: string,
+  repo: string,
+  // We only support is:issue searches (no PR results).
+  { q }: { q?: string } = {},
+): Promise<GitHubIssues> {
+  const suffix = q ? `?q=${encodeURIComponent(q)}` : "";
+  const html = await fetchGitHubPage(`${owner}/${repo}/issues${suffix}`);
   const payload = parsePayload(html);
 
   let issuesQuery: IssueIndexPageQuery | undefined;
@@ -534,13 +540,7 @@ export async function getGitHubIssues(owner: string, repo: string): Promise<GitH
     return { number, title: finalTitle, state, createdAt };
   });
 
-  return {
-    repo: {
-      owner,
-      name: repo,
-    },
-    issues,
-  };
+  return { repo: { owner, name: repo }, issues, q };
 }
 
 export async function getGitHubCommits(
-- 
cgit v1.3.1