From 4bbaf732b4550d0475a62117631bb8b26d118516 Mon Sep 17 00:00:00 2001
From: Rich Harris <hello@rich-harris.dev>
Date: Thu, 2 Feb 2023 14:03:46 -0500
Subject: [PATCH] minor tweak

---
 packages/adapter-node/src/handler.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/adapter-node/src/handler.js b/packages/adapter-node/src/handler.js
index cd68657c1b52..650ab3ce6018 100644
--- a/packages/adapter-node/src/handler.js
+++ b/packages/adapter-node/src/handler.js
@@ -62,11 +62,11 @@ function serve_prerendered() {
 			return handler(req, res, next);
 		}
 
-		// redirect to counterpart
-		const counterpart_route = pathname.at(-1) === '/' ? pathname.slice(0, -1) : pathname + '/';
-		if (counterpart_route && prerendered.has(counterpart_route)) {
+		// remove or add trailing slash as appropriate
+		let location = pathname.at(-1) === '/' ? pathname.slice(0, -1) : pathname + '/';
+		if (prerendered.has(location)) {
 			const search = req.url.split('?')[1];
-			const location = `${counterpart_route}${search ? `?${search}` : ''}`;
+			if (search) location += `?${search}`;
 			res.writeHead(308, { location }).end();
 		} else {
 			next();