From ad2db18b64f57d6502e189ddc7eb68a29aa87f8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9E=97=E7=86=A0?= <lianjie.lj@alibaba-inc.com>
Date: Fri, 10 Sep 2021 10:26:49 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E5=BE=AA=E7=8E=AF?=
 =?UTF-8?q?=E6=B8=B2=E6=9F=93=E6=97=B6loop:=20[]=E7=9A=84bug?=
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---
 packages/vision-polyfill/src/props-reducers/index.ts   |  1 +
 .../props-reducers/reset-loop-default-value-reducer.ts | 10 ++++++++++
 packages/vision-polyfill/src/reducers.ts               |  4 ++++
 3 files changed, 15 insertions(+)
 create mode 100644 packages/vision-polyfill/src/props-reducers/reset-loop-default-value-reducer.ts

diff --git a/packages/vision-polyfill/src/props-reducers/index.ts b/packages/vision-polyfill/src/props-reducers/index.ts
index 148d115b7..2684f6b96 100644
--- a/packages/vision-polyfill/src/props-reducers/index.ts
+++ b/packages/vision-polyfill/src/props-reducers/index.ts
@@ -6,3 +6,4 @@ export * from './remove-empty-prop-reducer';
 export * from './style-reducer';
 export * from './upgrade-reducer';
 export * from './node-top-fixed-reducer';
+export * from './reset-loop-default-value-reducer';
diff --git a/packages/vision-polyfill/src/props-reducers/reset-loop-default-value-reducer.ts b/packages/vision-polyfill/src/props-reducers/reset-loop-default-value-reducer.ts
new file mode 100644
index 000000000..fc5036e99
--- /dev/null
+++ b/packages/vision-polyfill/src/props-reducers/reset-loop-default-value-reducer.ts
@@ -0,0 +1,10 @@
+// 讲loop=[]的情况处理成loop=false
+export function resetLoopDefaultValueReducer(props: any) {
+  if (props.loop && Array.isArray(props.loop) && props.loop.length === 0) {
+    return {
+      ...props,
+      loop: undefined,
+    };
+  }
+  return props;
+}
diff --git a/packages/vision-polyfill/src/reducers.ts b/packages/vision-polyfill/src/reducers.ts
index 8c5f488b3..5bc04e35d 100644
--- a/packages/vision-polyfill/src/reducers.ts
+++ b/packages/vision-polyfill/src/reducers.ts
@@ -14,6 +14,7 @@ import {
   initNodeReducer,
   liveLifecycleReducer,
   nodeTopFixedReducer,
+  resetLoopDefaultValueReducer,
 } from './props-reducers';
 
 const { LiveEditing, TransformStage } = designerCabin;
@@ -57,3 +58,6 @@ designer.addPropsReducer(removeEmptyPropsReducer, TransformStage.Save);
 
 designer.addPropsReducer(nodeTopFixedReducer, TransformStage.Render);
 designer.addPropsReducer(nodeTopFixedReducer, TransformStage.Save);
+
+// loop的默认值处理
+designer.addPropsReducer(resetLoopDefaultValueReducer, TransformStage.Save);