add ref

Author: xlorne

apps/app-mobile/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@form-example/app-mobile",
-  "version": "0.0.12",
+  "version": "0.0.13",
   "private": true,
   "type": "module",
   "scripts": {

apps/app-pc/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@form-example/app-pc",
-  "version": "0.0.12",
+  "version": "0.0.13",
   "private": true,
   "type": "module",
   "scripts": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@coding-form/root",
-  "version": "0.0.12",
+  "version": "0.0.13",
   "description": "form-engine",
   "main": "index.js",
   "scripts": {

packages/form-engine/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@coding-form/form-engine",
-  "version": "0.0.12",
+  "version": "0.0.13",
   "description": "form-engine components",
   "keywords": [
     "coding-form",

packages/form-engine/src/hooks/register-form-items.tsx

@@ -11,12 +11,17 @@ interface FormItemType {
 
 export const registerFormItems = (Form: any,
                                   items: FormItemType[]) => {
-    FormRegistry.getInstance().register(Form, () => {
-        const [form] = Form.useForm();
-        return form;
-    });
 
-    for (const item of items) {
-        FormItemFactory.getInstance().register(item.type, item.componentType);
+    const ref = React.useRef<any>();
+
+    if (!ref.current) {
+        FormRegistry.getInstance().register(Form, () => {
+            const [form] = Form.useForm();
+            return form;
+        });
+
+        for (const item of items) {
+            FormItemFactory.getInstance().register(item.type, item.componentType);
+        }
     }
 }