From b1f83f9b9834f1b54a2d0611d28c5934e69fda3c Mon Sep 17 00:00:00 2001
From: Sebastien Chopin <sebastien.chopin@neo9.fr>
Date: Tue, 16 May 2017 17:52:40 +0200
Subject: [PATCH] Fix beforeMount & destroyed hooks

---
 src/shared/plugin.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/shared/plugin.js b/src/shared/plugin.js
index 6cb7ce5..c275bc0 100644
--- a/src/shared/plugin.js
+++ b/src/shared/plugin.js
@@ -38,6 +38,10 @@ export default function VueMeta (Vue, options = {}) {
   // watch for client side component updates
   Vue.mixin({
     beforeCreate () {
+      // Add a marker to know if it uses metaInfo
+      if (typeof this.$options[options.keyName] !== 'undefined') {
+        this._hasMetaInfo = true
+      }
       // coerce function-style metaInfo to a computed prop so we can observe
       // it on creation
       if (typeof this.$options[options.keyName] === 'function') {
@@ -60,7 +64,7 @@ export default function VueMeta (Vue, options = {}) {
     },
     beforeMount () {
       // batch potential DOM updates to prevent extraneous re-rendering
-      if (this.$metaInfo) {
+      if (this._hasMetaInfo) {
         batchID = batchUpdate(batchID, () => this.$meta().refresh())
       }
     },
@@ -68,7 +72,7 @@ export default function VueMeta (Vue, options = {}) {
       // do not trigger refresh on the server side
       if (this.$isServer) return
       // re-render meta data when returning from a child component to parent
-      if (this.$metaInfo) {
+      if (this._hasMetaInfo) {
         batchID = batchUpdate(batchID, () => this.$meta().refresh())
       }
     }