From 9c7db6ef25d19e10c58949495cbe11b836331daa Mon Sep 17 00:00:00 2001
From: Nate Moore <nate@skypack.dev>
Date: Thu, 21 Apr 2022 11:49:55 -0500
Subject: [PATCH] fix(preact): use updateConfig hook

---
 .changeset/thick-beds-flow.md             | 5 +++++
 packages/integrations/preact/src/index.ts | 6 +++---
 2 files changed, 8 insertions(+), 3 deletions(-)
 create mode 100644 .changeset/thick-beds-flow.md

diff --git a/.changeset/thick-beds-flow.md b/.changeset/thick-beds-flow.md
new file mode 100644
index 000000000000..69f16946b0f1
--- /dev/null
+++ b/.changeset/thick-beds-flow.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/preact': patch
+---
+
+Fix integration to use updateConfig rather than returning a partial config object
diff --git a/packages/integrations/preact/src/index.ts b/packages/integrations/preact/src/index.ts
index 0b0896210acb..11d4e991508d 100644
--- a/packages/integrations/preact/src/index.ts
+++ b/packages/integrations/preact/src/index.ts
@@ -39,11 +39,11 @@ export default function (): AstroIntegration {
 	return {
 		name: '@astrojs/preact',
 		hooks: {
-			'astro:config:setup': ({ addRenderer }) => {
+			'astro:config:setup': ({ addRenderer, updateConfig }) => {
 				addRenderer(getRenderer());
-				return {
+				updateConfig({
 					vite: getViteConfiguration(),
-				};
+				})
 			},
 		},
 	};