From 94d8080fe9863ad97c0c0c70ff4b1e1c9c7bcdb8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=8D=A3=E5=BD=AC?= <rongbin.arb@alibaba-inc.com>
Date: Wed, 2 Jun 2021 11:09:10 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=96=B0=E5=A2=9Evision=20engineconfig?=
 =?UTF-8?q?=EF=BC=8C=E6=94=AF=E6=8C=81=E7=A6=81=E7=94=A8=E6=9F=90=E4=BA=9B?=
 =?UTF-8?q?reducer?=
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---
 packages/editor-core/package.json                          | 2 ++
 packages/editor-core/src/config.ts                         | 6 ++++--
 packages/engine/src/engine-core.ts                         | 7 +++++++
 .../src/props-reducers/downgrade-schema-reducer.ts         | 7 ++++++-
 4 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/packages/editor-core/package.json b/packages/editor-core/package.json
index 5ee8a0656..9c9a1c345 100644
--- a/packages/editor-core/package.json
+++ b/packages/editor-core/package.json
@@ -21,6 +21,7 @@
     "classnames": "^2.2.6",
     "debug": "^4.1.1",
     "intl-messageformat": "^9.3.1",
+    "lodash.get": "^4.4.2",
     "power-di": "^2.2.4",
     "react": "^16",
     "react-dom": "^16.7.0",
@@ -29,6 +30,7 @@
   "devDependencies": {
     "@alib/build-scripts": "^0.1.18",
     "@types/classnames": "^2.2.7",
+    "@types/lodash.get": "^4.4.6",
     "@types/node": "^13.7.1",
     "@types/react": "^16",
     "@types/react-dom": "^16",
diff --git a/packages/editor-core/src/config.ts b/packages/editor-core/src/config.ts
index c81869a1f..5a8056147 100644
--- a/packages/editor-core/src/config.ts
+++ b/packages/editor-core/src/config.ts
@@ -1,3 +1,5 @@
+import lodashGet from 'lodash.get';
+
 export class EngineConfig {
   private config: { [key: string]: any } = {};
 
@@ -17,8 +19,8 @@ export class EngineConfig {
     return this.config[key] !== undefined;
   }
 
-  get(key: string): any {
-    return this.config[key];
+  get(key: string, defaultValue?: any): any {
+    return lodashGet(this.config, key, defaultValue);
   }
 
   set(key: string, value: any) {
diff --git a/packages/engine/src/engine-core.ts b/packages/engine/src/engine-core.ts
index ee956bbe3..1277f289d 100644
--- a/packages/engine/src/engine-core.ts
+++ b/packages/engine/src/engine-core.ts
@@ -195,6 +195,13 @@ interface EngineOptions {
    * 关闭画布自动渲染，在资产包多重异步加载的场景有效
    */
   disableAutoRender?: boolean;
+  /**
+   * Vision-polyfill settings
+   */
+  visionSettings?: {
+    // 是否禁用降级Reducer
+    disableCompatibleReducer?: boolean;
+  }
   [key: string]: any;
 }
 
diff --git a/packages/vision-polyfill/src/props-reducers/downgrade-schema-reducer.ts b/packages/vision-polyfill/src/props-reducers/downgrade-schema-reducer.ts
index 1477971bb..dcb395d34 100644
--- a/packages/vision-polyfill/src/props-reducers/downgrade-schema-reducer.ts
+++ b/packages/vision-polyfill/src/props-reducers/downgrade-schema-reducer.ts
@@ -3,8 +3,13 @@ import {
 } from '@ali/lowcode-utils';
 import { isJSExpression, isJSSlot } from '@ali/lowcode-types';
 import { Node } from '@ali/lowcode-designer';
+import { engineConfig } from '@ali/lowcode-editor-core';
 
 export function compatibleReducer(props: any, node: Node): any {
+  // 如果禁用了降级reducer，则不做处理
+  if (engineConfig.get('visionSettings.disableCompatibleReducer')) {
+    return props;
+  }
   // 如果不是 vc 体系，不做这个兼容处理
   if (!node.componentMeta.prototype) {
     return props;
@@ -27,7 +32,7 @@ export function compatibleReducer(props: any, node: Node): any {
       },
     };
   }
-  if (isJSExpression(props) && !props.events) {
+  if (!props.events && isJSExpression(props)) {
     return {
       type: 'variable',
       value: props.mock,