From ef5481c2718988b0c81bc31ea881b316baf949d3 Mon Sep 17 00:00:00 2001
From: Alan Agius <17563226+alan-agius4@users.noreply.github.com>
Date: Thu, 16 Apr 2026 08:05:52 +0000
Subject: [PATCH] fix(@angular-devkit/build-angular): ensure route has leading
 slash in prerender builder

Ensures that the route always starts with a leading slash when calling the render function, preventing potential issues with relative paths or incorrect URL resolution during prerendering.
---
 .../build_angular/src/builders/prerender/index.ts               | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/angular_devkit/build_angular/src/builders/prerender/index.ts b/packages/angular_devkit/build_angular/src/builders/prerender/index.ts
index 9ebbd4402b94..5fa433f26e8c 100644
--- a/packages/angular_devkit/build_angular/src/builders/prerender/index.ts
+++ b/packages/angular_devkit/build_angular/src/builders/prerender/index.ts
@@ -217,7 +217,7 @@ async function _renderUniversal(
               inlineCriticalCss: !!normalizedStylesOptimization.inlineCritical,
               minifyCss: !!normalizedStylesOptimization.minify,
               outputPath,
-              route,
+              route: route[0] === '/' ? route : '/' + route,
               serverBundlePath,
             };