allow whitespaces before closing '>'

packages/svelte/src/preprocessors.ts

@@ -127,7 +127,7 @@ function hasScriptTag(content: string): boolean {
   // They use this regex to find matching script tags that are passed to the `script` preprocessor hook:
   // https://github.com/sveltejs/svelte/blob/bb83eddfc623437528f24e9fe210885b446e72fa/src/compiler/preprocess/index.ts#L144
   // However, we remove the first part of the regex to not match HTML comments
-  const scriptTagRegex = /<script(\s[^]*?)?(?:>([^]*?)<\/script>|\/>)/gi;
+  const scriptTagRegex = /<script(\s[^]*?)?(?:>([^]*?)<\/script\s*>|\/>)/gi;
 
   // Regex testing is not a super safe way of checking for the presence of a <script> tag in the Svelte
   // component file but I think we can use it as a start.