Use optional chaining to catch null error codes in error.js (#1054)

* 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. * chore: add changeset --------- Co-authored-by: dominikg <[email protected]> (cherry picked from commit 47184d4)
sveltejs · Dec 18, 2024 · 1a91581 · 1a91581
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diff --git a/.changeset/giant-plants-learn.md 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
diff --git 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_');
 }
 
 /**