From b895113a0ae347ecd81bd8866ae2d816ea20836b Mon Sep 17 00:00:00 2001
From: Alexander Niebuhr <alexander@nbhr.io>
Date: Tue, 14 Nov 2023 07:53:14 +0100
Subject: [PATCH] fix(assets): bundling regression for specific config on
 non-Node runtimes (#9087)

---
 .changeset/red-houses-explode.md                          | 5 +++++
 packages/astro/src/core/build/plugins/plugin-prerender.ts | 6 +++++-
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/red-houses-explode.md

diff --git a/.changeset/red-houses-explode.md b/.changeset/red-houses-explode.md
new file mode 100644
index 000000000000..d355327f34a6
--- /dev/null
+++ b/.changeset/red-houses-explode.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes the regression which broke bundling of image service for pre-rendered pages, which was introduced by [#8854](https://github.com/withastro/astro/pull/8854)
diff --git a/packages/astro/src/core/build/plugins/plugin-prerender.ts b/packages/astro/src/core/build/plugins/plugin-prerender.ts
index d3d5305e4f43..0584f15a6b59 100644
--- a/packages/astro/src/core/build/plugins/plugin-prerender.ts
+++ b/packages/astro/src/core/build/plugins/plugin-prerender.ts
@@ -12,7 +12,11 @@ function vitePluginPrerender(opts: StaticBuildOptions, internals: BuildInternals
 
 		outputOptions(outputOptions) {
 			extendManualChunks(outputOptions, {
-				before(id, meta) {
+				after(id, meta) {
+					// Split the Astro runtime into a separate chunk for readability
+					if (id.includes('astro/dist/runtime')) {
+						return 'astro';
+					}
 					const pageInfo = internals.pagesByViteID.get(id);
 					if (pageInfo) {
 						// prerendered pages should be split into their own chunk