fixed empty/no script tag in vue component error

examples/example.vue

@@ -0,0 +1,33 @@
+<template>
+	<div>
+		<span>hello world
+		</span></div>
+</template>
+
+<script>
+// I am top level comment in this file.
+// I am second line of top level comment in this file.
+import threeLevelRelativePath from '../../../threeLevelRelativePath';
+import sameLevelRelativePath from './sameLevelRelativePath';
+import thirdParty from 'third-party';
+import React from 'react';
+export { random } from './random';
+import oneLevelRelativePath from '../oneLevelRelativePath';
+import otherthing from '@core/otherthing';
+import twoLevelRelativePath from '../../twoLevelRelativePath';
+import component from '@ui/hello';
+export default {
+    title: 'hello',
+};
+import fourLevelRelativePath from '../../../../fourLevelRelativePath';
+import something from '@server/something';
+
+function add(a, b) {
+    return a + b;
+}
+
+</script>
+
+<style>
+div { color: red; }
+</style>

src/preprocessors/vue-preprocessor.ts

@@ -2,10 +2,13 @@ import { PrettierOptions } from '../types';
 import { preprocessor } from './preprocessor';
 
 export function vuePreprocessor(code: string, options: PrettierOptions) {
-    const { parse } = require('@vue/compiler-sfc')
+    const { parse } = require('@vue/compiler-sfc');
     const { descriptor } = parse(code);
-    const content =
-        (descriptor.script ?? descriptor.scriptSetup)?.content ?? code;
+
+    const content = (descriptor.script ?? descriptor.scriptSetup)?.content;
+    if (!content) {
+        return code;
+    }
 
     return code.replace(content, `\n${preprocessor(content, options)}\n`);
 }