From 094fd9d14cfc4a704593984cc4173c6bbe20ecef Mon Sep 17 00:00:00 2001
From: pimlie <pimlie@hotmail.com>
Date: Sun, 9 Jun 2019 20:16:38 +0200
Subject: [PATCH] fix: prevent vue-meta plugin to be installed twice

---
 src/browser.js | 6 ++++++
 src/index.js   | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/src/browser.js b/src/browser.js
index 73693f05..38915227 100644
--- a/src/browser.js
+++ b/src/browser.js
@@ -10,6 +10,12 @@ import { hasMetaInfo } from './shared/meta-helpers'
  * @param {Function} Vue - the Vue constructor.
  */
 function install(Vue, options = {}) {
+  if (Vue.__vuemeta_installed) {
+    return
+  }
+
+  Vue.__vuemeta_installed = true
+
   options = setOptions(options)
 
   Vue.prototype.$meta = $meta(options)
diff --git a/src/index.js b/src/index.js
index 303c73d7..6ee009a2 100644
--- a/src/index.js
+++ b/src/index.js
@@ -9,6 +9,12 @@ import { hasMetaInfo } from './shared/meta-helpers'
  * @param {Function} Vue - the Vue constructor.
  */
 function install(Vue, options = {}) {
+  if (Vue.__vuemeta_installed) {
+    return
+  }
+
+  Vue.__vuemeta_installed = true
+
   options = setOptions(options)
 
   Vue.prototype.$meta = $meta(options)