From dbf1275987d4d9724eab471f1600fba9a50aefb8 Mon Sep 17 00:00:00 2001
From: Florian Lefebvre <contact@florian-lefebvre.dev>
Date: Mon, 6 Jan 2025 15:52:37 +0100
Subject: [PATCH] fix: pass server island route to astro:build:done routes
 (#12907)

---
 .changeset/metal-phones-cross.md       | 5 +++++
 packages/astro/src/core/build/index.ts | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/metal-phones-cross.md

diff --git a/.changeset/metal-phones-cross.md b/.changeset/metal-phones-cross.md
new file mode 100644
index 0000000000..d4e5f6f866
--- /dev/null
+++ b/.changeset/metal-phones-cross.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes a regression around the server islands route, which was not passed to the adapters `astro:build:done` hook
diff --git a/packages/astro/src/core/build/index.ts b/packages/astro/src/core/build/index.ts
index cc00172af5..5db6ff7586 100644
--- a/packages/astro/src/core/build/index.ts
+++ b/packages/astro/src/core/build/index.ts
@@ -29,6 +29,7 @@ import { collectPagesData } from './page-data.js';
 import { staticBuild, viteBuild } from './static-build.js';
 import type { StaticBuildOptions } from './types.js';
 import { getTimeStat } from './util.js';
+import { getServerIslandRouteData } from '../server-islands/endpoint.js';
 
 export interface BuildOptions {
 	/**
@@ -232,7 +233,8 @@ class AstroBuilder {
 			pages: pageNames,
 			routes: Object.values(allPages)
 				.flat()
-				.map((pageData) => pageData.route),
+				.map((pageData) => pageData.route)
+				.concat(hasServerIslands ? getServerIslandRouteData(this.settings.config) : []),
 			logging: this.logger,
 		});