fix: fix TypeScript type

Author: stream-pipe

common/changes/@coze-editor/react-components/feature-root_2025-07-08-07-49.json

@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "@coze-editor/react-components",
+      "comment": "fix TypeScript type",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@coze-editor/react-components",
+  "email": "[email protected]"
+}

packages/text-editor/react-components/src/placeholder/index.tsx

@@ -2,15 +2,15 @@
 //  SPDX-License-Identifier: MIT
 
 import { createPortal } from 'react-dom';
-import { type ReactNode } from 'react';
+import { type ReactPortal, type ReactNode } from 'react';
 
 import { useHTMLElement, useInjectorEffect } from '@coze-editor/react-hooks';
 import {
   placeholder,
   activeLinePlaceholder,
 } from '@coze-editor/extension-placeholder';
 
-function Placeholder({ children }: { children?: ReactNode }): ReactNode {
+function Placeholder({ children }: { children?: ReactNode }): ReactPortal {
   const element = useHTMLElement('span');
 
   useInjectorEffect(
@@ -27,7 +27,7 @@ interface ActiveLinePlaceholderProps {
 
 function ActiveLinePlaceholder({
   children,
-}: ActiveLinePlaceholderProps): ReactNode {
+}: ActiveLinePlaceholderProps): ReactPortal {
   const element = useHTMLElement('span');
 
   useInjectorEffect(