From ba4cec31b91da60555892c381b00c2fa5b3e0e39 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=E4=B8=89=E5=92=B2=E6=99=BA=E5=AD=90=20Kevin=20Deng?=
 <sxzz@sxzz.moe>
Date: Thu, 30 Mar 2023 14:49:28 +0800
Subject: [PATCH] fix(compiler-sfc): infer runtime type in defineProps (#7972)

---
 packages/compiler-sfc/src/compileScript.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/packages/compiler-sfc/src/compileScript.ts b/packages/compiler-sfc/src/compileScript.ts
index 96ea7df18b..61b4b7c0ee 100644
--- a/packages/compiler-sfc/src/compileScript.ts
+++ b/packages/compiler-sfc/src/compileScript.ts
@@ -2129,7 +2129,7 @@ function inferRuntimeType(
         case 'BigIntLiteral':
           return ['Number']
         default:
-          return [`UNKNOWN`]
+          return [UNKNOWN_TYPE]
       }
 
     case 'TSTypeReference':
@@ -2177,6 +2177,7 @@ function inferRuntimeType(
                 declaredTypes
               ).filter(t => t !== 'null')
             }
+            break
           case 'Extract':
             if (node.typeParameters && node.typeParameters.params[1]) {
               return inferRuntimeType(
@@ -2184,6 +2185,7 @@ function inferRuntimeType(
                 declaredTypes
               )
             }
+            break
           case 'Exclude':
           case 'OmitThisParameter':
             if (node.typeParameters && node.typeParameters.params[0]) {
@@ -2192,9 +2194,10 @@ function inferRuntimeType(
                 declaredTypes
               )
             }
-          // cannot infer, fallback to UNKNOWN: ThisParameterType
+            break
         }
       }
+      // cannot infer, fallback to UNKNOWN: ThisParameterType
       return [UNKNOWN_TYPE]
 
     case 'TSParenthesizedType':
-- 
2.47.3