From ce0e9acd509bae33ba02ac2d3ad8c46bbdecfcdc Mon Sep 17 00:00:00 2001
From: "qingwei.li" <cinwell.li@gmail.com>
Date: Fri, 23 Jun 2017 17:09:13 +0800
Subject: [PATCH] feat: add context attribute, fixed #191

---
 src/core/router/index.js | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/core/router/index.js b/src/core/router/index.js
index 2c3048096..9126c81a6 100644
--- a/src/core/router/index.js
+++ b/src/core/router/index.js
@@ -1,6 +1,7 @@
 import { HashHistory } from './history/hash'
 import { HTML5History } from './history/html5'
 import { supportsPushState } from '../util/env'
+import * as dom from '../util/dom'
 
 export function routerMixin (proto) {
   proto.route = {}
@@ -8,6 +9,12 @@ export function routerMixin (proto) {
 
 let lastRoute = {}
 
+function updateRender(vm) {
+  vm.router.normalize()
+  vm.route = vm.router.parse()
+  dom.body.setAttribute('data-page', vm.route.file)
+}
+
 export function initRouter (vm) {
   const config = vm.config
   const mode = config.routerMode || 'hash'
@@ -20,13 +27,11 @@ export function initRouter (vm) {
   }
 
   vm.router = router
-
-  router.normalize()
-  lastRoute = vm.route = router.parse()
+  updateRender(vm)
+  lastRoute = vm.route
 
   router.onchange(_ => {
-    router.normalize()
-    vm.route = router.parse()
+    updateRender(vm)
     vm._updateRender()
 
     if (lastRoute.path === vm.route.path) {