From 1a04fba10b6462303c65f1095da86ce05c14f1f4 Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Wed, 29 Mar 2023 21:01:52 +0800
Subject: [PATCH] fix(compiler-sfc): infer object type for empty type literal

---
 packages/compiler-sfc/src/compileScript.ts | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/packages/compiler-sfc/src/compileScript.ts b/packages/compiler-sfc/src/compileScript.ts
index 279a41d08..af54641f4 100644
--- a/packages/compiler-sfc/src/compileScript.ts
+++ b/packages/compiler-sfc/src/compileScript.ts
@@ -2040,16 +2040,16 @@ function inferRuntimeType(
       // TODO (nice to have) generate runtime property validation
       const types = new Set<string>()
       for (const m of node.members) {
-        switch (m.type) {
-          case 'TSCallSignatureDeclaration':
-          case 'TSConstructSignatureDeclaration':
-            types.add('Function')
-            break
-          default:
-            types.add('Object')
+        if (
+          m.type === 'TSCallSignatureDeclaration' ||
+          m.type === 'TSConstructSignatureDeclaration'
+        ) {
+          types.add('Function')
+        } else {
+          types.add('Object')
         }
       }
-      return Array.from(types)
+      return types.size ? Array.from(types) : ['Object']
     }
     case 'TSFunctionType':
       return ['Function']