fix: ConfigProvider form validateMessages nesting error (#43480)

* test: add unit case

* fix:  `ConfigProvider` form validateMessages nesting error

nesting error: https://github.com/ant-design/ant-design/issues/43210
merge error: 5ce9818401/components/config-provider/__tests__/form.test.tsx (L100-L110)

* test: update case

components/config-provider/__tests__/form.test.tsx

@@ -1,10 +1,13 @@
 import React from 'react';
 import { act } from 'react-dom/test-utils';
+import type { ValidateMessages } from 'rc-field-form/es/interface';
 import ConfigProvider from '..';
-import { render } from '../../../tests/utils';
+import { render, waitFakeTimer, fireEvent } from '../../../tests/utils';
 import type { FormInstance } from '../../form';
 import Form from '../../form';
+import Button from '../../button';
 import Input from '../../input';
+import InputNumber from '../../input-number';
 import zhCN from '../../locale/zh_CN';
 
 describe('ConfigProvider.Form', () => {
@@ -82,6 +85,97 @@ describe('ConfigProvider.Form', () => {
       expect(explains[0]).toHaveTextContent('必须');
       expect(explains[explains.length - 1]).toHaveTextContent('年龄必须等于17');
     });
+
+    // copied: https://github.com/ant-design/ant-design/blob/5ce9818401f976fcb665eff2a48e5f05d17acf39/components/config-provider/__tests__/form.test.tsx#L99-L150
+    it('nested description should use the default value of this warehouse first', async () => {
+      const validateMessages: ValidateMessages = {
+        number: {
+          // eslint-disable-next-line no-template-curly-in-string
+          max: '${label} 最大值为 ${max}',
+          /**
+           * Intentionally not filling `range` to test default message
+           * default: https://github.com/ant-design/ant-design/blob/12596a06f2ff88d8a27e72f6f9bac7c63a0b2ece/components/locale/en_US.ts#L123
+           */
+          // range:
+        },
+      };
+
+      const formRef = React.createRef<FormInstance>();
+      const { container } = render(
+        <ConfigProvider form={{ validateMessages }}>
+          <Form ref={formRef} initialValues={{ age: 1, rate: 6 }}>
+            <Form.Item name="rate" rules={[{ type: 'number', max: 5 }]}>
+              <InputNumber />
+            </Form.Item>
+            <Form.Item name="age" rules={[{ type: 'number', max: 99, min: 18 }]}>
+              <InputNumber />
+            </Form.Item>
+          </Form>
+        </ConfigProvider>,
+      );
+
+      await act(async () => {
+        try {
+          await formRef.current?.validateFields();
+        } catch (e) {
+          // Do nothing
+        }
+      });
+
+      await act(async () => {
+        jest.runAllTimers();
+        await Promise.resolve();
+      });
+
+      act(() => {
+        jest.runAllTimers();
+      });
+
+      expect(container.querySelectorAll('.ant-form-item-explain')).toHaveLength(2);
+      expect(container.querySelectorAll('.ant-form-item-explain')[0]).toHaveTextContent(
+        'rate 最大值为 5',
+      );
+      expect(container.querySelectorAll('.ant-form-item-explain')[1]).toHaveTextContent(
+        'age must be between 18-99',
+      );
+    });
+
+    // https://github.com/ant-design/ant-design/issues/43210
+    it('should merge parent ConfigProvider validateMessages', async () => {
+      const MyForm = () => (
+        <Form>
+          <Form.Item name="name" label="Name" rules={[{ required: true }]}>
+            <Input />
+          </Form.Item>
+          <Button type="primary" htmlType="submit">
+            Submit
+          </Button>
+        </Form>
+      );
+
+      const { container, getAllByRole, getAllByText } = render(
+        <ConfigProvider>
+          <MyForm />
+          <ConfigProvider form={{ validateMessages: { required: 'Required' } }}>
+            <MyForm />
+            <ConfigProvider>
+              <MyForm />
+            </ConfigProvider>
+          </ConfigProvider>
+        </ConfigProvider>,
+      );
+
+      const submitButtons = getAllByRole('button');
+      expect(submitButtons).toHaveLength(3);
+
+      submitButtons.forEach((b) => fireEvent.click(b));
+
+      await waitFakeTimer();
+
+      expect(container.querySelectorAll('.ant-form-item-explain-error')).toHaveLength(3);
+      expect(getAllByText('Please enter Name')).toHaveLength(1);
+      expect(getAllByText('Required')).toHaveLength(2);
+    });
   });
 
   describe('form requiredMark', () => {

components/config-provider/context.tsx

@@ -1,4 +1,5 @@
 import * as React from 'react';
+import type { ValidateMessages } from 'rc-field-form/lib/interface';
 import type { RequiredMark } from '../form/Form';
 import type { Locale } from '../locale-provider';
 import type { RenderEmptyHandler } from './defaultRenderEmpty';
@@ -45,6 +46,7 @@ export interface ConfigConsumerProps {
   virtual?: boolean;
   dropdownMatchSelectWidth?: boolean;
   form?: {
+    validateMessages?: ValidateMessages;
     requiredMark?: RequiredMark;
     colon?: boolean;
   };

components/config-provider/index.tsx

@@ -2,6 +2,7 @@ import IconContext from '@ant-design/icons/lib/components/Context';
 import type { ValidateMessages } from 'rc-field-form/lib/interface';
 import useMemo from 'rc-util/lib/hooks/useMemo';
 import * as React from 'react';
+import { merge } from 'rc-util/lib/utils/set';
 import type { RequiredMark } from '../form/Form';
 import ValidateMessagesContext from '../form/validateMessagesContext';
 import type { Locale } from '../locale-provider';
@@ -224,16 +225,17 @@ const ProviderChildren: React.FC<ProviderChildrenProps> = props => {
   );
 
   let childNode = children;
-  // Additional Form provider
-  let validateMessages: ValidateMessages = {};
 
-  if (locale) {
+  const validateMessages = React.useMemo(
-    validateMessages =
+    () =>
-      locale.Form?.defaultValidateMessages || defaultLocale.Form?.defaultValidateMessages || {};
+      merge(
-  }
+        defaultLocale.Form?.defaultValidateMessages || {},
-  if (form && form.validateMessages) {
+        memoedConfig.locale?.Form?.defaultValidateMessages || {},
-    validateMessages = { ...validateMessages, ...form.validateMessages };
+        memoedConfig.form?.validateMessages || {},
-  }
+        form?.validateMessages || {},
+      ),
+    [memoedConfig, form?.validateMessages],
+  );
 
   if (Object.keys(validateMessages).length > 0) {
     childNode = (