Fix memory leak in dev server

dist/functions/server/web-pages/generate-web-html.js

@@ -77,8 +77,16 @@ export default async function genWebHTML({ component: Main, pageProps, bundledMa
     let htmlBody;
     let render_error;
     let has_render_error = false;
+    const render_timeout_ms = global.BUNEXT_CONFIG.ssr_render_timeout_ms ||
+        AppData["DefaultSSRRenderTimeoutMs"];
+    // Without a deadline, a Suspense boundary that never settles keeps the
+    // request (and its whole render tree) alive forever. The timer is
+    // cleared once the render ends so finished requests don't linger.
+    const render_abort = new AbortController();
+    const render_timeout = setTimeout(() => render_abort.abort(new RenderTimeoutError(`Page render timed out after ${render_timeout_ms}ms`)), render_timeout_ms);
     try {
         const stream = await renderToReadableStream(final_component, {
+            signal: render_abort.signal,
             onError(error) {
                 if (error?.message?.includes('unique "key" prop'))
                     return;
@@ -86,12 +94,16 @@ export default async function genWebHTML({ component: Main, pageProps, bundledMa
                     has_render_error = true;
                     render_error = error;
                 }
-                original_console.error(error);
+                // A timeout has no useful stack; it's logged upstream.
+                if (!(error instanceof RenderTimeoutError)) {
+                    original_console.error(error);
+                }
             },
         });
         htmlBody = await new Response(stream).text();
     }
     finally {
+        clearTimeout(render_timeout);
         restoreConsole();
     }
     // A component crash during SSR must surface as a proper error (handled
@@ -103,6 +115,8 @@ export default async function genWebHTML({ component: Main, pageProps, bundledMa
     html += htmlBody;
     return html;
 }
+class RenderTimeoutError extends Error {
+}
 let original_console = console;
 let silenced_renders = 0;
 /**