fix: 修复 envOverwrite 存在副作用的问题 (#8766)

packages/amis-core/src/envOverwrite.ts

@@ -2,26 +2,31 @@
  * @file 用于在移动端或不同语言环境下使用不同配置
  */
 
-import {findObjectsWithKey} from './utils/helper';
+import {JSONValueMap, findObjectsWithKey} from './utils/helper';
+import isPlainObject from 'lodash/isPlainObject';
 const isMobile = (window as any).matchMedia?.('(max-width: 768px)').matches
   ? true
   : false;
 
 // 这里不能用 addSchemaFilter 是因为还需要更深层的替换，比如 select 里的 options
 export const envOverwrite = (schema: any, locale?: string) => {
-  if (locale) {
-    let schemaNodes = findObjectsWithKey(schema, locale);
-    for (let schemaNode of schemaNodes) {
-      Object.assign(schemaNode, schemaNode[locale]);
-      delete schemaNode[locale];
-    }
-  }
+  return JSONValueMap(
+    schema,
+    (value: any) => {
+      if (!isPlainObject(value)) {
+        return value;
+      }
 
-  if (isMobile) {
-    let schemaNodes = findObjectsWithKey(schema, 'mobile');
-    for (let schemaNode of schemaNodes) {
-      Object.assign(schemaNode, schemaNode['mobile']);
-      delete schemaNode['mobile'];
-    }
-  }
+      if (locale && value[locale]) {
+        const newValue = Object.assign({}, value, value[locale]);
+        delete newValue[locale];
+        return newValue;
+      } else if (isMobile && value.mobile) {
+        const newValue = Object.assign({}, value, value.mobile);
+        delete newValue.mobile;
+        return newValue;
+      }
+    },
+    true
+  );
 };

packages/amis-core/src/index.tsx

@@ -308,7 +308,7 @@ function AMISRenderer({
   }
 
   // 根据环境覆盖 schema，这个要在最前面做，不然就无法覆盖 validations
-  envOverwrite(schema, locale);
+  schema = envOverwrite(schema, locale);
   schema = replaceText(schema, options.replaceText, env.replaceTextIgnoreKeys);
 
   return (

packages/amis-core/src/utils/helper.ts

@@ -1954,6 +1954,7 @@ export function JSONValueMap(
     host: Object,
     stack: Array<Object>
   ) => any,
+  deepFirst: boolean = false,
   stack: Array<Object> = []
 ) {
   if (!isPlainObject(json) && !Array.isArray(json)) {
@@ -1966,40 +1967,42 @@ export function JSONValueMap(
     host: any,
     stack: Array<any> = []
   ) => {
-    let maped: any = mapper(origin, key, host, stack);
+    if (deepFirst) {
+      const value = JSONValueMap(origin, mapper, deepFirst, stack);
+      return mapper(value, key, host, stack) ?? value;
+    }
 
-    if (maped === origin && (isPlainObject(origin) || Array.isArray(origin))) {
-      return JSONValueMap(origin, mapper, stack);
+    let maped: any = mapper(origin, key, host, stack) ?? origin;
+
+    // 如果不是深度优先，上层的对象都修改了，就不继续递归进到新返回的对象了
+    if (maped === origin) {
+      return JSONValueMap(origin, mapper, deepFirst, stack);
     }
     return maped;
   };
 
   if (Array.isArray(json)) {
-    let flag = false;
-    let mapped = json.map((value, index) => {
-      let result: any = iterator(value, index, json, [json].concat(stack));
-      if (result !== value) {
-        flag = true;
-        return result;
-      }
-      return value;
+    let modified = false;
+    let arr = json.map((value, index) => {
+      let newValue: any = iterator(value, index, json, [json].concat(stack));
+      modified = modified || newValue !== value;
+      return newValue;
     });
-    return flag ? mapped : json;
+    return modified ? arr : json;
   }
 
-  let flag = false;
+  let modified = false;
   const toUpdate: any = {};
   Object.keys(json).forEach(key => {
     const value: any = json[key];
     let result: any = iterator(value, key, json, [json].concat(stack));
     if (result !== value) {
-      flag = true;
+      modified = true;
       toUpdate[key] = result;
-      return;
     }
   });
 
-  return flag
+  return modified
     ? {
         ...json,
         ...toUpdate