fix(compiler-sfc): support const enum

packages/compiler-sfc/__tests__/__snapshots__/compileScript.spec.ts.snap

@@ -540,6 +540,21 @@ return { a, b, c, d, x }
 }"
 `;
 
+exports[`SFC compile <script setup> with TypeScript const Enum 1`] = `
+"import { defineComponent as _defineComponent } from 'vue'
+const enum Foo { A = 123 }
+        
+export default _defineComponent({
+  setup(__props, { expose }) {
+  expose()
+
+        
+return { Foo }
+}
+
+})"
+`;
+
 exports[`SFC compile <script setup> with TypeScript defineEmits w/ type (exported interface) 1`] = `
 "import { defineComponent as _defineComponent } from 'vue'
 export interface Emits { (e: 'foo' | 'bar'): void }

packages/compiler-sfc/__tests__/compileScript.spec.ts

@@ -794,6 +794,18 @@ const emit = defineEmits(['a', 'b'])
         Foo: BindingTypes.SETUP_CONST
       })
     })
+
+    test('const Enum', () => {
+      const { content, bindings } = compile(
+        `<script setup lang="ts">
+        const enum Foo { A = 123 }
+        </script>`
+      )
+      assertCode(content)
+      expect(bindings).toStrictEqual({
+        Foo: BindingTypes.SETUP_CONST
+      })
+    })
   })
 
   describe('async/await detection', () => {