fix(Form.List): do not skip list root when no child field entities exist

src/hooks/useForm.ts

@@ -293,8 +293,21 @@ export class FormStore {
       // Ignore when it's a list item and not specific the namePath,
       // since parent field is already take in count
       if ((entity as FieldEntity).isList?.()) {
-        listNamePaths.push(namePath);
-        return;
+        // 这里直接跳过跟节点是有bug的，getFieldsValue("list") 会返回空对象
+        const hasChild = fieldEntities.some(other => {
+          if (other === entity) return false;
+          const otherNamePath = other.INVALIDATE_NAME_PATH || other.getNamePath();
+          return (
+            otherNamePath.length > namePath.length &&
+            matchNamePath(otherNamePath as InternalNamePath, namePath as InternalNamePath, true)
+          );
+        });
+
+        // 只有当它确实有子节点时，才跳过根节点
+        if (hasChild) {
+          listNamePaths.push(namePath);
+          return;
+        }
       }
 
       if (!mergedFilterFunc) {

tests/list.test.tsx

@@ -1171,4 +1171,31 @@ describe('Form.List', () => {
       list: [{ name: 'A' }, { name: 'BB' }, { name: 'C' }, { name: 'D' }],
     });
   });
+
+  it('getFieldsValue(["list"]) should keep list value when list has value but no child Field entities', async () => {
+    const [container] = generateForm(
+      () => (
+        <input
+          className="raw-name"
+          defaultValue="123"
+          onChange={e => {
+            form.current!.setFieldValue(['list', 0, 'name'], (e.target as HTMLInputElement).value);
+          }}
+        />
+      ),
+      {
+        initialValues: {
+          list: [{ name: '123' }],
+        },
+      },
+    );
+
+    expect(form.current!.getFieldsValue(['list'])).toEqual({ list: [{ name: '123' }] });
+
+    await act(async () => {
+      fireEvent.change(container.querySelector('input.raw-name')!, { target: { value: '456' } });
+    });
+
+    expect(form.current!.getFieldsValue(['list'])).toEqual({ list: [{ name: '456' }] });
+  });
 });