From 19fd65f96fdb80e33252b18ae299b479234b70d7 Mon Sep 17 00:00:00 2001
From: dominikg <dominik.goepel@gmx.de>
Date: Mon, 5 Aug 2024 22:01:52 +0200
Subject: [PATCH] fix(hmr): ensure consistent use of compilerOptions.hmr during
 prebundling

---
 .changeset/odd-pens-protect.md                   | 5 +++++
 packages/vite-plugin-svelte/src/utils/esbuild.js | 9 +++------
 2 files changed, 8 insertions(+), 6 deletions(-)
 create mode 100644 .changeset/odd-pens-protect.md

diff --git a/.changeset/odd-pens-protect.md b/.changeset/odd-pens-protect.md
new file mode 100644
index 000000000..946f9b18a
--- /dev/null
+++ b/.changeset/odd-pens-protect.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/vite-plugin-svelte': patch
+---
+
+ensure consistent use of compileOptions.hmr also for prebundling
diff --git a/packages/vite-plugin-svelte/src/utils/esbuild.js b/packages/vite-plugin-svelte/src/utils/esbuild.js
index 8779408c9..5a1ca89b9 100644
--- a/packages/vite-plugin-svelte/src/utils/esbuild.js
+++ b/packages/vite-plugin-svelte/src/utils/esbuild.js
@@ -70,12 +70,9 @@ async function compileSvelte(options, { filename, code }, statsCollection) {
 		generate: 'client'
 	};
 
-	if (compileOptions.hmr) {
-		if (options.emitCss) {
-			const hash = `s-${safeBase64Hash(normalize(filename, options.root))}`;
-			compileOptions.cssHash = () => hash;
-		}
-		compileOptions.hmr = false;
+	if (compileOptions.hmr && options.emitCss) {
+		const hash = `s-${safeBase64Hash(normalize(filename, options.root))}`;
+		compileOptions.cssHash = () => hash;
 	}
 
 	let preprocessed;