From 4e828fbc70720d83554a1c3d2393ed70fe009d0d Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@youzan.com>
Date: Mon, 19 Aug 2019 11:04:25 +0800
Subject: [PATCH] [bugfix] Tabbar: avoid navigation duplicated (#4147)

---
 package.json                  |  2 +-
 src/tabbar/test/index.spec.js | 41 ++++++++++++++++++++++++++---------
 src/utils/router.ts           | 16 +++++++++++---
 yarn.lock                     |  8 +++----
 4 files changed, 49 insertions(+), 18 deletions(-)

diff --git a/package.json b/package.json
index 7e61ca933..560d1f8dc 100644
--- a/package.json
+++ b/package.json
@@ -109,7 +109,7 @@
     "vue": "2.6.10",
     "vue-jest": "4.0.0-beta.2",
     "vue-loader": "^15.7.1",
-    "vue-router": "^3.0.7",
+    "vue-router": "^3.1.2",
     "vue-template-compiler": "2.6.10",
     "webpack": "4.39.1",
     "webpack-cli": "^3.3.6",
diff --git a/src/tabbar/test/index.spec.js b/src/tabbar/test/index.spec.js
index 116fe1951..e5edbf7c3 100644
--- a/src/tabbar/test/index.spec.js
+++ b/src/tabbar/test/index.spec.js
@@ -1,3 +1,4 @@
+import VueRouter from 'vue-router';
 import { mount, later } from '../../../test/utils';
 import Vue from 'vue';
 import Tabbar from '..';
@@ -5,20 +6,15 @@ import TabbarItem from '../../tabbar-item';
 
 Vue.use(Tabbar);
 Vue.use(TabbarItem);
+Vue.use(VueRouter);
 
 test('route mode', async () => {
-  Vue.util.defineReactive(Vue.prototype, '$route', { path: '/home' });
-
-  Vue.prototype.$router = {
-    replace(to) {
-      Vue.prototype.$route.path = typeof to === 'string' ? to : to.path;
-    }
-  };
-
+  const router = new VueRouter();
   const wrapper = mount({
+    router,
     template: `
       <van-tabbar route>
-        <van-tabbar-item replace to="/home">
+        <van-tabbar-item replace to="/">
           Tab
         </van-tabbar-item>
         <van-tabbar-item replace to="/search">
@@ -48,6 +44,28 @@ test('route mode', async () => {
   expect(wrapper).toMatchSnapshot();
 });
 
+test('router NavigationDuplicated', async done => {
+  expect(async () => {
+    const router = new VueRouter();
+    const wrapper = mount({
+      router,
+      template: `
+      <van-tabbar route>
+        <van-tabbar-item replace to="/home">
+          Tab
+        </van-tabbar-item>
+      </van-tabbar>
+    `
+    });
+
+    const item = wrapper.find('.van-tabbar-item');
+    item.trigger('click');
+    item.trigger('click');
+
+    await later();
+    done();
+  }).not.toThrow();
+});
 
 test('watch tabbar value', () => {
   const wrapper = mount({
@@ -108,7 +126,10 @@ test('name prop', () => {
     }
   });
 
-  wrapper.findAll('.van-tabbar-item').at(1).trigger('click');
+  wrapper
+    .findAll('.van-tabbar-item')
+    .at(1)
+    .trigger('click');
 
   expect(onChange).toHaveBeenCalledWith('b');
 });
diff --git a/src/utils/router.ts b/src/utils/router.ts
index 3c61c0ab0..6bc9e771f 100644
--- a/src/utils/router.ts
+++ b/src/utils/router.ts
@@ -14,7 +14,17 @@ export type RouteConfig = {
 export function route(router: VueRouter, config: RouteConfig) {
   const { to, url, replace } = config;
   if (to && router) {
-    router[replace ? 'replace' : 'push'](to);
+    const promise = router[replace ? 'replace' : 'push'](to);
+
+    /* istanbul ignore else */
+    if (promise && promise.catch) {
+      promise.catch(err => {
+        /* istanbul ignore if */
+        if (err.name !== 'NavigationDuplicated') {
+          throw err;
+        }
+      });
+    }
   } else if (url) {
     replace ? location.replace(url) : (location.href = url);
   }
@@ -25,10 +35,10 @@ export function functionalRoute(context: RenderContext) {
 }
 
 export type RouteProps = {
-  url?: string,
+  url?: string;
   replace?: boolean;
   to?: RawLocation;
-}
+};
 
 export const routeProps = {
   url: String,
diff --git a/yarn.lock b/yarn.lock
index dc4edc900..701e4abc0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10089,10 +10089,10 @@ vue-loader@^15.7.1:
     vue-hot-reload-api "^2.3.0"
     vue-style-loader "^4.1.0"
 
-vue-router@^3.0.7:
-  version "3.0.7"
-  resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-3.0.7.tgz#b36ca107b4acb8ff5bc4ff824584059c23fcb87b"
-  integrity sha512-utJ+QR3YlIC/6x6xq17UMXeAfxEvXA0VKD3PiSio7hBOZNusA1jXcbxZxVEfJunLp48oonjTepY8ORoIlRx/EQ==
+vue-router@^3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/vue-router/-/vue-router-3.1.2.tgz#2e0904703545dabdd42b2b7a2e617f02f99a1969"
+  integrity sha512-WssQEHSEvIS1/CI4CO2T8LJdoK4Q9Ngox28K7FDNMTfzNTk2WS5D0dDlqYCaPG+AG4Z8wJkn1KrBc7AhspZJUQ==
 
 vue-style-loader@^4.1.0:
   version "4.1.2"