From 5b9f38920a219e9c2822c497662f98ad7b49c62d Mon Sep 17 00:00:00 2001
From: "T. R. Bernstein" <137705289+trbernstein@users.noreply.github.com>
Date: Wed, 18 Dec 2024 02:27:20 +0100
Subject: [PATCH 1/2] Use optional chaining to catch null error codes in
 error.js

Starting a new vite project and selecting svelte-ts template results in an error, because `code` var in error.js is null. Optional chaining resolves this issue.
---
 packages/vite-plugin-svelte/src/utils/error.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/vite-plugin-svelte/src/utils/error.js b/packages/vite-plugin-svelte/src/utils/error.js
index cbc375b2d..31e3c5af3 100644
--- a/packages/vite-plugin-svelte/src/utils/error.js
+++ b/packages/vite-plugin-svelte/src/utils/error.js
@@ -108,7 +108,7 @@ function formatFrameForVite(frame) {
  * @returns {boolean}
  */
 function couldBeFixedByCssPreprocessor(code) {
-	return code === 'expected_token' || code === 'unexpected_eof' || code.startsWith('css_');
+	return code === 'expected_token' || code === 'unexpected_eof' || code?.startsWith('css_');
 }
 
 /**

From 1fa6b180338f74e590b246dba77a3bc342e96294 Mon Sep 17 00:00:00 2001
From: dominikg <dominik.goepel@gmx.de>
Date: Wed, 18 Dec 2024 10:53:20 +0100
Subject: [PATCH 2/2] chore: add changeset

---
 .changeset/giant-plants-learn.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/giant-plants-learn.md

diff --git a/.changeset/giant-plants-learn.md b/.changeset/giant-plants-learn.md
new file mode 100644
index 000000000..5142ca7c4
--- /dev/null
+++ b/.changeset/giant-plants-learn.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/vite-plugin-svelte': patch
+---
+
+fix errorhandling to work with errors that don't have a code property