From 662a4090564a52a61bfe88e954be8915cb783a82 Mon Sep 17 00:00:00 2001
From: Pim <pimlie@hotmail.com>
Date: Wed, 21 Aug 2019 13:36:52 +0200
Subject: [PATCH] fix(vue-app): only overwrite leave listener when none
 provided or without done arg (#6264)

---
 .../vue-app/template/components/nuxt-child.js     | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/packages/vue-app/template/components/nuxt-child.js b/packages/vue-app/template/components/nuxt-child.js
index 7754a9a650..796ec17edd 100644
--- a/packages/vue-app/template/components/nuxt-child.js
+++ b/packages/vue-app/template/components/nuxt-child.js
@@ -56,12 +56,17 @@ export default {
     // make sure that leave is called asynchronous (fix #5703)
     if (transition.css === false) {
       const leave = listeners.leave
-      listeners.leave = (el, done) => {
-        if (leave) {
-          leave.call(_parent, el)
-        }
 
-        _parent.$nextTick(done)
+      // only add leave listener when user didnt provide one
+      // or when it misses the done argument
+      if (!leave || leave.length < 2) {
+        listeners.leave = (el, done) => {
+          if (leave) {
+            leave.call(_parent, el)
+          }
+
+          _parent.$nextTick(done)
+        }
       }
     }