From f9006fb467855ae29e6fb49398b67023ffa7336a Mon Sep 17 00:00:00 2001
From: d9k <d9k@ya.ru>
Date: Fri, 29 Dec 2023 20:35:04 +0500
Subject: [PATCH] #292 serve build: return 404 on missing .map requests instead
 of try to render as HTML

---
 lib/middleware/serveStatic.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lib/middleware/serveStatic.ts b/lib/middleware/serveStatic.ts
index 4fc9e9f6..cafc5b44 100644
--- a/lib/middleware/serveStatic.ts
+++ b/lib/middleware/serveStatic.ts
@@ -56,6 +56,15 @@ export const serveStatic = (options: ServeStaticOptions = { root: "" }) => {
 
       return;
     } catch (_error) {
+      if (path.match("\.map$")) {
+        log.debug(`Static file: ${path} does not exist, returning 404`);
+
+        return new Response(
+          null,
+          { status: 404 },
+        );
+      }
+
       /**
        * This is so we can just continue the request if the above fetch fails,
        * since the static asset might not exist, and we want to avoid Deno APIs
@@ -64,6 +73,7 @@ export const serveStatic = (options: ServeStaticOptions = { root: "" }) => {
        * TODO: Maybe we should handle the type of error that fetch would throw?
        */
       log.debug(`Static file: ${path} does not exist, continuing`);
+
       await next();
     }
   };