fixup! fix: do not wrongly suggest that a lang attribute is missing when finding comments

Author: maxlath

packages/vite-plugin-svelte/src/utils/error.js

@@ -128,12 +128,12 @@ export function enhanceCompileError(err, originalCode, preprocessors) {
 	if (couldBeFixedByCssPreprocessor(err.code)) {
 		// Reference from Svelte: https://github.com/sveltejs/svelte/blob/9926347ad9dbdd0f3324d5538e25dcb7f5e442f8/packages/svelte/src/compiler/preprocess/index.js#L257
 		const styleRe =
-			/<style((?:\s+[^=>'"/]+=(?:"[^"]*"|'[^']*'|[^>\s]+)|\s+[^=>'"/]+)*\s*)(?:\/>|>([\S\s]*?)<\/style>)/g;
+			/<!--[^]*?-->|<style((?:\s+[^=>'"/]+=(?:"[^"]*"|'[^']*'|[^>\s]+)|\s+[^=>'"/]+)*\s*)(?:\/>|>([\S\s]*?)<\/style>)/g;
 
 		let m;
 		while ((m = styleRe.exec(originalCode))) {
 			// Warn missing lang attribute
-			if (!m[1]?.includes('lang=')) {
+			if (!m[0]?.startsWith('<!--') && !m[1]?.includes('lang=')) {
 				additionalMessages.push('Did you forget to add a lang attribute to your style tag?');
 			}
 			// Warn missing style preprocessor