fix: fix script parse error

Author: baiwusanyu-c

packages/core/runtime/handle-variable.ts

@@ -10,7 +10,13 @@ export function handleVBindVariable(
   ctx: IVueCSSVarsCtx,
 ) {
   const { descriptor } = parse(code)
-  const lang = descriptor?.script?.lang ?? 'js'
+  let lang = 'js'
+  if (descriptor?.scriptSetup?.lang)
+    lang = descriptor.scriptSetup.lang
+
+  if (descriptor?.script?.lang)
+    lang = descriptor.script.lang
+
   // ⭐TODO: 只支持 .vue ? jsx, tsx, js, ts ？
   if (!JSX_TSX_REG.test(`.${lang}`)) {
     ctx.isScriptSetup = !!descriptor.scriptSetup

play/vite/src/assets/css/foo.css

@@ -1,6 +1,6 @@
 #foo{
   color: v-bind-m(sassColor);
-  background: #ffebf8;
+  background: v-bind-m(sc2);
   width: 200px;
   height: 30px;
 }

play/vite/src/views/app/App.vue

@@ -1,4 +1,4 @@
-<script setup lang="ts">
+<script setup lang="tsx">
 import { reactive, ref } from 'vue'
 import Comp from '../../comp.vue'
 import Comp2 from '../../comp2.vue'
@@ -14,10 +14,10 @@ const appTheme4 = reactive({ color: 'red' })
 const appTheme5 = { color: 'red' }
 const appTheme6 = () => 'red'
 </script>
-<!--
-<script lang="ts">
+
+<script lang="tsx">
 const sc2 = 'red'
-</script> -->
+</script>
 <!-- <script lang="ts">
 import { defineComponent, reactive, ref } from 'vue'
 /* import Comp from './comp.vue' */