From 76e08d066a932c402e0acc57c22d8aed4bc9b3b4 Mon Sep 17 00:00:00 2001
From: ai-qing-hai <65594180+ai-qing-hai@users.noreply.github.com>
Date: Mon, 31 May 2021 14:57:53 +0800
Subject: [PATCH] =?UTF-8?q?=20fix:=20=E4=BF=AE=E5=A4=8D=20view.changeData?=
 =?UTF-8?q?=20=E5=9C=A8=E9=87=8D=E6=96=B0=E6=B8=B2=E6=9F=93=E7=9A=84?=
 =?UTF-8?q?=E6=97=B6=E5=80=99=20=E6=8A=A5=20toFront=20=E4=B8=BA=20underfin?=
 =?UTF-8?q?d=20=E7=9A=84=E9=94=99=E8=AF=AF=20(#3438)?=
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* fix: 修复 view.changeData 在重新渲染的时候 报 toFront 为 underfind 的错误

* fix:修改 判断 toBack/toFront underfind 的判断方法

Co-authored-by: wb-xcf804241 <wb-xcf804241@antgroup.com>
---
 src/geometry/element/index.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/geometry/element/index.ts b/src/geometry/element/index.ts
index e357c85500..5f26ec7ed7 100644
--- a/src/geometry/element/index.ts
+++ b/src/geometry/element/index.ts
@@ -215,7 +215,7 @@ export default class Element extends Base {
       }
       states.push(stateName);
       if (stateName === 'active' || stateName === 'selected') {
-        shape.toFront();
+        shape?.toFront();
       }
     } else {
       if (index === -1) {
@@ -224,7 +224,7 @@ export default class Element extends Base {
       }
       states.splice(index, 1);
       if (stateName === 'active' || stateName === 'selected') {
-        shape.toBack();
+        shape?.toBack();
       }
     }