From: Thorsten Lünborg <t.luenborg@googlemail.com>
Date: Fri, 31 May 2024 15:49:18 +0000 (+0200)
Subject: fix(compat): ensure proper handling of render fuction from SFC using Vue.extend ... 
X-Git-Tag: v3.4.28~48
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c73847f2becc20f03cb9c68748eea92455e688ee;p=thirdparty%2Fvuejs%2Fcore.git

fix(compat): ensure proper handling of render fuction from SFC using Vue.extend (#7781)

close #7766
---

diff --git a/packages/runtime-core/src/compat/component.ts b/packages/runtime-core/src/compat/component.ts
index 84a76eb73a..da12e60c58 100644
--- a/packages/runtime-core/src/compat/component.ts
+++ b/packages/runtime-core/src/compat/component.ts
@@ -18,6 +18,15 @@ export function convertLegacyComponent(
 
   // 2.x constructor
   if (isFunction(comp) && comp.cid) {
+    // #7766
+    if (comp.render) {
+      // only necessary when compiled from SFC
+      comp.options.render = comp.render
+    }
+    // copy over internal properties set by the SFC compiler
+    comp.options.__file = comp.__file
+    comp.options.__hmrId = comp.__hmrId
+    comp.options.__scopeId = comp.__scopeId
     comp = comp.options
   }