fix: 修复 react 17 中报错问题 (#216) (#217)

Author: SunLxy

README.md

@@ -28,14 +28,13 @@ import Button from '@uiw/react-button';
 import CodePreview from '@uiw/react-code-preview';
 
 const code = `import Button from '@uiw/react-button';
-import ReactDOMClient from 'react-dom/client';
+import ReactDOM from 'react-dom/client';
 
-ReactDOM.render(
+ReactDOM.createRoot(_mount_).render(
   <div>
     <Button type="primary">主要按钮</Button>
     <Button type="success">成功按钮</Button>
   </div>,
-  _mount_
 );`;
 
 export default function App() {

package.json

@@ -102,4 +102,4 @@
       "last 1 safari version"
     ]
   }
-}
+}

src/index.less

@@ -30,7 +30,7 @@
   border-radius: 3px;
   margin-bottom: 16px;
   background-color: var(--color-code-preview-bg) !important;
-  color: transparent !important;
+  // color: transparent !important;
   max-height: 420px;
   min-height: 12px;
   z-index: 10;

src/useCodePreview.ts

@@ -1,10 +1,19 @@
 import React, { useEffect, useRef } from 'react';
-// @ts-ignore
-import ReactDOMClient from 'react-dom/client';
-import ReactDOM from 'react-dom';
 import { useState } from 'react';
 import { babelTransform } from './transform';
 import { CodePreviewProps } from './';
+import ReactDOM from 'react-dom';
+
+export const getReactDOMClient = () => {
+  let _ReactDOM;
+  try {
+    // 使用 require 解决 react v17 ts 报错问题
+    _ReactDOM = require('react-dom/client');
+  } catch (err) {
+    // console.warn(`如果使用的是react-dom小于v18的版本，可以忽略此警告：${err}`)
+  }
+  return _ReactDOM;
+};
 
 export function useCodePreview(props: CodePreviewProps) {
   const [demoDom, setDemoDom] = useState<HTMLDivElement>();
@@ -16,6 +25,10 @@ export function useCodePreview(props: CodePreviewProps) {
   const [copied, setCopied] = useState(false);
   const [code, setCode] = useState(props.code || '');
 
+  const ReactDOMClient = React.useMemo(() => {
+    return window.ReactDOM ? window.ReactDOM : getReactDOMClient();
+  }, []);
+
   /** 通过缓存的方式 解决 react v18 中 的报错   ***/
   // @ts-ignore
   const cachesRef = React.useRef(new Map<string, ReactDOMClient.Root>([]));
@@ -51,9 +64,9 @@ export function useCodePreview(props: CodePreviewProps) {
       ReactDOMClient: _ReactDOMClient,
       ...otherDeps
     } = props.dependencies || {};
-    const V18ReactDOM = _ReactDOMClient || ReactDOMClient || _ReactDOM || ReactDOM;
+    let V18ReactDOM = _ReactDOMClient || ReactDOMClient || _ReactDOM || ReactDOM;
     // 判断是否是 react v18版本
-    const isV18 = Reflect.has(V18ReactDOM || {}, 'createRoot');
+    const isV18 = Reflect.has(V18ReactDOM, 'createRoot');
     const NewReactDOM = isV18 ? ReactDOMRender(V18ReactDOM) : V18ReactDOM;
 
     try {
@@ -75,7 +88,7 @@ export function useCodePreview(props: CodePreviewProps) {
         // react < v18 中写法替换
         str = str.replace('ReactDOM.render', `ReactDOM.createRoot("${playerId.current}").render`);
         // react v18 中写法替换
-        str = str.replace(`ReactDOMClient.createRoot(_mount_)`, `ReactDOM.createRoot("${playerId.current}")`);
+        str = str.replace(`ReactDOM.createRoot(_mount_)`, `ReactDOM.createRoot("${playerId.current}")`);
         str = str.replace('_mount_', ``);
       } else {
         str = str.replace('_mount_', `document.getElementById('${playerId.current}')`);

website/Example.tsx

@@ -5,9 +5,9 @@ import * as UIW from 'uiw';
 
 const defaultCode = `
 import { Button, Divider, Icon } from 'uiw';
-import ReactDOMClient from 'react-dom/client';
+import ReactDOM from 'react-dom/client';
 
-ReactDOM.render(
+ReactDOM.createRoot(_mount_).render(
   <div>
     <Button type="primary">主要按钮</Button>
     <Button type="success">成功按钮</Button>
@@ -16,7 +16,6 @@ ReactDOM.render(
     <Button type="light">亮按钮</Button>
     <Button type="dark">暗按钮</Button>
   </div>,
-  _mount_
 );`;
 
 const Example = () => {
@@ -81,7 +80,7 @@ const Example = () => {
       html: '<div id="root"></div>',
       js: code.replace('_mount_', 'document.getElementById("root")'),
       css_external: 'https://unpkg.com/uiw@3.2.6/dist/uiw.min.css',
-      js_external: `https://unpkg.com/react@16.x/umd/react.development.js;https://unpkg.com/react-dom@16.x/umd/react-dom.development.js;https://unpkg.com/uiw@4.7.2/dist/uiw.min.js;https://unpkg.com/@uiw/codepen-require-polyfill@1.0.12/index.js`,
+      js_external: `https://unpkg.com/react@18.x/umd/react.development.js;https://unpkg.com/react-dom@18.x/umd/react-dom.development.js;https://unpkg.com/uiw@4.7.2/dist/uiw.min.js;https://unpkg.com/@uiw/codepen-require-polyfill@1.0.12/index.js`,
     },
   });
   function handleChange(keyName: string, e: React.ChangeEvent<HTMLInputElement>) {