From a4f877587c8f1951f6802754ebd1840d0eaf6eeb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E5=A4=9A=E7=9B=8A?= <wuduoyi@baidu.com>
Date: Thu, 15 Jun 2023 11:36:29 +0800
Subject: [PATCH] =?UTF-8?q?chore:=20ios=20=E7=9A=84=20DragEvent=20?=
 =?UTF-8?q?=E6=8A=A5=E9=94=99=E4=BF=AE=E5=A4=8D=E6=8C=AA=E5=88=B0=20core?=
 =?UTF-8?q?=20=E6=A8=A1=E5=9D=97=E4=B8=8B=20(#7154)?=
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* chore: ios 的 DragEvent 报错修复挪到主项目中

* chore: ios 的 DragEvent 报错修复挪到 core 模块下
---
 examples/polyfills/index.ts         |  7 -------
 packages/amis-core/src/index.tsx    |  1 +
 packages/amis-core/src/polyfills.ts | 10 ++++++++++
 3 files changed, 11 insertions(+), 7 deletions(-)
 create mode 100644 packages/amis-core/src/polyfills.ts

diff --git a/examples/polyfills/index.ts b/examples/polyfills/index.ts
index 8e49cb9a2..c729415d0 100644
--- a/examples/polyfills/index.ts
+++ b/examples/polyfills/index.ts
@@ -18,10 +18,3 @@ import 'core-js/es/symbol';
 import './cloest';
 // @ts-ignore
 import './classList';
-
-// ios 没有这个会报错
-if (!('DragEvent' in window)) {
-  Object.defineProperty(window, 'DragEvent', {
-    value: class DragEvent {}
-  });
-}
diff --git a/packages/amis-core/src/index.tsx b/packages/amis-core/src/index.tsx
index b8cce7cbc..aac8a827c 100644
--- a/packages/amis-core/src/index.tsx
+++ b/packages/amis-core/src/index.tsx
@@ -22,6 +22,7 @@ import {
   extendDefaultEnv
 } from './factory';
 import type {RenderOptions, RendererConfig, RendererProps} from './factory';
+import './polyfills';
 import './renderers/builtin';
 import './renderers/register';
 export * from './utils/index';
diff --git a/packages/amis-core/src/polyfills.ts b/packages/amis-core/src/polyfills.ts
new file mode 100644
index 000000000..c3417345b
--- /dev/null
+++ b/packages/amis-core/src/polyfills.ts
@@ -0,0 +1,10 @@
+/**
+ * 用于放一些关键的 polyfill
+ */
+
+// ios 老版本没有这个会报错
+if (!('DragEvent' in window)) {
+  Object.defineProperty(window, 'DragEvent', {
+    value: class DragEvent {}
+  });
+}