From 7952de520c8c1850d9da9a2643958035403570a9 Mon Sep 17 00:00:00 2001
From: Clark Du <clark.duxin@gmail.com>
Date: Fri, 1 Dec 2017 18:22:25 +0800
Subject: [PATCH] refactor: unregister afterEach after route changed in guard

---
 lib/app/index.js | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/lib/app/index.js b/lib/app/index.js
index 65e72d451b..eeffda05f4 100644
--- a/lib/app/index.js
+++ b/lib/app/index.js
@@ -168,16 +168,13 @@ async function createApp (ssrContext) {
   if (process.server && ssrContext && ssrContext.url) {
     await new Promise((resolve, reject) => {
       router.push(ssrContext.url, resolve, () => {
-        let initSSR = true
         // navigated to a different route in router guard
-        router.afterEach(async (to, from, next) => {
-          if (initSSR) {
-            ssrContext.url = to.fullPath
-            app.context.route = await getRouteData(to)
-            app.context.params = to.params || {}
-            app.context.query = to.query || {}
-          }
-          initSSR = false
+        const unregister = router.afterEach(async (to, from, next) => {
+          ssrContext.url = to.fullPath
+          app.context.route = await getRouteData(to)
+          app.context.params = to.params || {}
+          app.context.query = to.query || {}
+          unregister()
           resolve()
         })
       })