From 37a39298e1dc6e6b912a9fdcb8dc83d97ecd0b20 Mon Sep 17 00:00:00 2001
From: yyyyyyyyyyy <741369024@qq.com>
Date: Thu, 9 Jan 2020 19:35:11 +0800
Subject: [PATCH] =?UTF-8?q?fix=20#2604=20&=20#2661=20=E8=A7=A3=E5=86=B3?=
 =?UTF-8?q?=E5=8A=A8=E6=80=81=E6=B7=BB=E5=8A=A0tabs=E5=88=97=E8=A1=A8?=
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* fix 2604&2661
解决动态添加tabs列表内容时，顺序错乱以及下划线长度不变的问题。

* 修改备注

* 修改方法命名、删除相关注释

* 删除注释
---
 lib/tabs/index.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/tabs/index.js b/lib/tabs/index.js
index c50204e5..02cb1033 100644
--- a/lib/tabs/index.js
+++ b/lib/tabs/index.js
@@ -10,9 +10,9 @@ component_1.VantComponent({
         name: 'tab',
         type: 'descendant',
         linked: function (target) {
-            target.index = this.children.length;
-            this.children.push(target);
+            this.children = this.getChildren();
             this.updateTabs();
+            this.setLine();
         },
         unlinked: function (target) {
             this.children = this.children
@@ -22,6 +22,7 @@ component_1.VantComponent({
                 return child;
             });
             this.updateTabs();
+            this.setLine();
         }
     },
     props: {
@@ -282,6 +283,14 @@ component_1.VantComponent({
                     this.setCurrentIndex(currentIndex + 1);
                 }
             }
+        },
+        getChildren: function () {
+          var nodes = this.getRelationNodes('../tab/index')
+          nodes.map((child, index) => {
+            child.index = index;
+            return child;
+          })
+          return nodes;
         }
     }
 });