From: Evan You <yyx990803@gmail.com>
Date: Wed, 21 Apr 2021 23:13:26 +0000 (-0400)
Subject: wip: treat compat model listener as already declared
X-Git-Tag: v3.1.0-beta.1~59^2~15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a75b00c55834a088f7b44bc5df99673fa0ff076c;p=thirdparty%2Fvuejs%2Fcore.git

wip: treat compat model listener as already declared
---

diff --git a/packages/runtime-core/src/componentEmits.ts b/packages/runtime-core/src/componentEmits.ts
index ca04092a0e..d5e2cb9f8a 100644
--- a/packages/runtime-core/src/componentEmits.ts
+++ b/packages/runtime-core/src/componentEmits.ts
@@ -219,6 +219,11 @@ export function isEmitListener(
   if (!options || !isOn(key)) {
     return false
   }
+
+  if (__COMPAT__ && key.startsWith(compatModelEventPrefix)) {
+    return true
+  }
+
   key = key.slice(2).replace(/Once$/, '')
   return (
     hasOwn(options, key[0].toLowerCase() + key.slice(1)) ||