try to fix

Author: baseballyama

src/parser/index.ts

@@ -118,12 +118,16 @@ export function parseForESLint(code: string, options?: any): ParseResult {
 
   if (
     parserOptions.filePath &&
-    (parserOptions.filePath.endsWith(".svelte.js") ||
-      parserOptions.filePath.endsWith(".svelte.ts"))
+    !parserOptions.filePath.endsWith(".svelte") &&
+    // If no `filePath` is set in ESLint, "<input>" will be specified.
+    parserOptions.filePath !== "<input>"
   ) {
-    const svelteParseContext =
-      resolveSvelteParseContextForSvelteScript(svelteConfig);
-    return parseAsScript(code, parserOptions, svelteParseContext);
+    const trimmed = code.trim();
+    if (!trimmed.startsWith("<") && !trimmed.endsWith(">")) {
+      const svelteParseContext =
+        resolveSvelteParseContextForSvelteScript(svelteConfig);
+      return parseAsScript(code, parserOptions, svelteParseContext);
+    }
   }
 
   return parseAsSvelte(code, svelteConfig, parserOptions);