fix(form): fix form setFields rerender

src/form/Form.tsx

@@ -69,6 +69,7 @@ const Form = forwardRefWithStatics(
         formItemRef?.current.resetField();
       });
       form?.getInternalHooks?.(HOOK_MARK)?.notifyWatch?.([]);
+      form.store = {};
       onReset?.({ e });
     }
 

src/form/FormItem.tsx

@@ -9,7 +9,7 @@ import {
   CloseCircleFilledIcon as TdCloseCircleFilledIcon,
   ErrorCircleFilledIcon as TdErrorCircleFilledIcon,
 } from 'tdesign-icons-react';
-import isEqual from 'lodash/isEqual';
+import set from 'lodash/set';
 import { calcFieldValue } from './utils';
 import useConfig from '../hooks/useConfig';
 import useGlobalIcon from '../hooks/useGlobalIcon';
@@ -110,12 +110,16 @@ const FormItem = forwardRef<FormItemInstance, FormItemProps>((originalProps, ref
   const [verifyStatus, setVerifyStatus] = useState('validating');
   const [resetValidating, setResetValidating] = useState(false);
   const [needResetField, setNeedResetField] = useState(false);
-  const [formValue, setFormValue] = useState(() =>
-    getDefaultInitialData({
-      children,
-      initialData,
-    }),
-  );
+  const [formValue, setFormValue] = useState(() => {
+    const fieldName = [].concat(formListName, name).filter((item) => item !== undefined);
+    return (
+      get(form.store, fieldName) ??
+      getDefaultInitialData({
+        children,
+        initialData,
+      })
+    );
+  });
 
   const formItemRef = useRef<FormItemInstance>(); // 当前 formItem 实例
   const innerFormItemsRef = useRef([]);
@@ -166,9 +170,20 @@ const FormItem = forwardRef<FormItemInstance, FormItemProps>((originalProps, ref
     isUpdatedRef.current = true;
     shouldValidate.current = validate;
     valueRef.current = newVal;
-    if (!isEqual(formValue, newVal)) {
-      setFormValue(newVal);
+
+    if (formListName) {
+      const fieldName = [].concat(formListName, name).filter((item) => item !== undefined);
+      if (get(form.store, fieldName)) {
+        const fieldValue = get(form.store, fieldName);
+        if (fieldValue !== newVal) {
+          setFormValue(newVal);
+          set(form.store, fieldName, newVal);
+        }
+        return;
+      }
+      set(form.store, fieldName, newVal);
     }
+    setFormValue(newVal);
   };
 
   // 初始化 rules，最终以 formItem 上优先级最高

src/form/hooks/interface.ts

@@ -15,6 +15,6 @@ export interface InternalHooks {
 
 export interface InternalFormInstance extends FormInstanceFunctions {
   _init?: boolean;
-
+  store?: Store;
   getInternalHooks?: (secret: string) => InternalHooks | null;
 }

src/form/hooks/useForm.ts

@@ -53,7 +53,7 @@ class FormStore {
     getFieldValue: null,
     getFieldsValue: null,
     _init: true,
-
+    store: this.store,
     getInternalHooks: this.getInternalHooks,
   });