From: daiwei <daiwei521@126.com>
Date: Thu, 25 Dec 2025 09:26:24 +0000 (+0800)
Subject: chore(runtime-vapor): improve Teleport tree-shaking with duck typing
X-Git-Tag: v3.6.0-beta.2~17
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da6ddaca325caca3a6772ec98386d4e741777a71;p=thirdparty%2Fvuejs%2Fcore.git

chore(runtime-vapor): improve Teleport tree-shaking with duck typing
---

diff --git a/packages/runtime-vapor/src/components/Teleport.ts b/packages/runtime-vapor/src/components/Teleport.ts
index 83feee9b3c..4a54ac3bec 100644
--- a/packages/runtime-vapor/src/components/Teleport.ts
+++ b/packages/runtime-vapor/src/components/Teleport.ts
@@ -334,10 +334,14 @@ export class TeleportFragment extends VaporFragment {
   }
 }
 
+/**
+ * Use duck typing to check for VaporTeleport instead of direct reference
+ * to VaporTeleportImpl, allowing tree-shaking when Teleport is not used.
+ */
 export function isVaporTeleport(
   value: unknown,
 ): value is typeof VaporTeleportImpl {
-  return value === VaporTeleportImpl
+  return !!(value && (value as any).__isTeleport && (value as any).__vapor)
 }
 
 function locateTeleportEndAnchor(