npm

request was one of the first modules added to the npm registry. As npm grew so did dependence on request. Even now, when npm is used far more for front-end than back-end work, request remains one of the most depended on modules in the registry. As I write this, 41K modules depend on request and it is downloaded 14 million times a week.

The place request has in the Node.js ecosystem is no longer one of an innovator but of an incumbent. If you Google for how to do something with HTTP in Node.js the examples are likely to show request as the client and express as the server. This has two notably bad effects.

It’s much harder for new libraries accomplishing similar tasks to gain adoption because of the incumbent position request holds over the ecosystem. It’s also very hard to change request in any meaningful way as the change not only may not be adopted by the majority of its dependents but it would put it out of alignment with the thousands of blog posts and stack overflow responses that use request.

npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.0.0" from @ant-design/cssinjs@1.24.0 npm warn node_modules/@ant-design/cssinjs npm warn @ant-design/cssinjs@"^1.18.4" from the root project npm warn 8 more (@umijs/plugins, antd, @ant-design/pro-card, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.0.0" from @ant-design/icons@5.6.1 npm warn node_modules/@ant-design/icons npm warn @ant-design/icons@"^5.2.6" from the root project npm warn 8 more (antd, @ant-design/pro-card, @ant-design/pro-field, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.8.0" from @dnd-kit/core@6.3.1 npm warn node_modules/@dnd-kit/core npm warn @dnd-kit/core@"^6.1.0" from the root project npm warn 3 more (@dnd-kit/modifiers, @dnd-kit/sortable, @ant-design/pro-table) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.8.0" from @dnd-kit/core@6.3.1 npm warn 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warn peer react@">=16.8.0" from @dnd-kit/utilities@3.2.2 npm warn node_modules/@dnd-kit/utilities npm warn @dnd-kit/utilities@"^3.2.2" from the root project npm warn 4 more (@dnd-kit/modifiers, @dnd-kit/sortable, @dnd-kit/core, @ant-design/pro-table) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: peer react@"15.x || ^16.0.0-0" from the root project npm warn npm warn Could not resolve dependency: npm warn peer react@"15.x || ^16.0.0-0" from the root project npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react-dom@undefined npm warn node_modules/react-dom npm warn peer react-dom@"15.x || ^16.0.0-0" from the root project npm warn npm warn Could not resolve dependency: npm warn peer react-dom@"15.x || ^16.0.0-0" from the root project npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.0.0" from @ant-design/cssinjs@1.24.0 npm warn node_modules/@ant-design/cssinjs npm warn @ant-design/cssinjs@"^1.18.4" from the root project npm warn 8 more (@umijs/plugins, antd, @ant-design/pro-card, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@"^18.3.1" from react-dom@18.3.1 npm warn node_modules/react-dom npm warn react-dom@"^18.2.0" from the root project npm warn 29 more (@antv/x6-react-shape, @umijs/preset-umi, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.0.0" from @ant-design/icons@5.6.1 npm warn node_modules/@ant-design/icons npm warn @ant-design/icons@"^5.2.6" from the root project npm warn 8 more (antd, @ant-design/pro-card, @ant-design/pro-field, ...) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.8.0" from @dnd-kit/core@6.3.1 npm warn node_modules/@dnd-kit/core npm warn @dnd-kit/core@"^6.1.0" from the root project npm warn 3 more (@dnd-kit/modifiers, @dnd-kit/sortable, @ant-design/pro-table) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.8.0" from @dnd-kit/core@6.3.1 npm warn node_modules/@dnd-kit/core npm warn @dnd-kit/core@"^6.1.0" from the root project npm warn 3 more (@dnd-kit/modifiers, @dnd-kit/sortable, @ant-design/pro-table) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.8.0" from @dnd-kit/core@6.3.1 npm warn node_modules/@dnd-kit/core npm warn @dnd-kit/core@"^6.1.0" from the root project npm warn 3 more (@dnd-kit/modifiers, @dnd-kit/sortable, @ant-design/pro-table) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react@18.3.1 npm warn node_modules/react npm warn react@"^18.2.0" from the root project npm warn 46 more (@antv/x6-react-shape, @dnd-kit/modifiers, ...) npm warn npm warn Could not resolve dependency: npm warn peer react@">=16.8.0" from @dnd-kit/utilities@3.2.2 npm warn node_modules/@dnd-kit/utilities npm warn @dnd-kit/utilities@"^3.2.2" from the root project npm warn 4 more (@dnd-kit/modifiers, @dnd-kit/sortable, @dnd-kit/core, @ant-design/pro-table) npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: peer react@"15.x || ^16.0.0-0" from the root project npm warn npm warn Could not resolve dependency: npm warn peer react@"15.x || ^16.0.0-0" from the root project npm warn ERESOLVE overriding peer dependency npm warn While resolving: dva@2.5.0-beta.2 npm warn Found: react-dom@undefined npm warn node_modules/react-dom npm warn peer react-dom@"15.x || ^16.0.0-0" from the root project npm warn npm warn Could not resolve dependency: npm warn peer react-dom@"15.x || ^16.0.0-0" from the root project ⠇
09-26
<think> 我们面对的核心问题是:项目使用React 18.3.1,但dva@2.5.0-beta.2要求React版本在15.x或16.x(即不兼容React 18)。同时,其他依赖(如@ant-design/cssinjs、@dnd-kit/core等)虽然表面上支持React 16+,但在React 18环境下与dva同时存在时,npm的peer依赖检查会发出警告。 ### 解决方案分析 #### 方案1:降级React到兼容版本(推荐稳定方案) **步骤:** 1. 将React和React-DOM降级到16.14.0(最后一个广泛兼容的16.x版本): ```bash npm install react@16.14.0 react-dom@16.14.0 --save-exact ``` 2. 清理并重新安装依赖: ```bash rm -rf node_modules package-lock.json npm install ``` *注意:使用`--save-exact`确保版本精确锁定。* **优点:** - 完全兼容dva@2.5.0-beta.2,消除所有peer依赖警告(包括dva、antd相关组件)[^1]。 **缺点:** - 无法使用React 18的新特性(如并发模式)。 #### 方案2:升级dva到支持React 18的版本(实验性方案) **步骤:** 1. 安装dva的React 18兼容分支(社区维护): ```bash npm install dva@2.6.0-beta.20 --save ``` 2. 检查其他依赖的兼容性: - 确保`@ant-design/cssinjs`升级到1.26.0+ - 确保`@dnd-kit`系列库升级到7.x **优点:** - 保留React 18的新特性。 **风险:** - dva@2.6.0-beta.20非官方稳定版本,可能存在未知问题。 #### 方案3:强制忽略依赖冲突(临时方案) 若上述方案均不可行,可临时使用npm的`--legacy-peer-deps`或`--force`: ```bash npm install --legacy-peer-deps ``` **作用:** - 跳过peer依赖检查,允许安装不一致的版本[^1]。 **警告:** - 可能导致运行时错误(如dva在React 18下失效)。 - 仅建议作为临时测试手段。 ### 分步操作指南(以方案1为例) #### 步骤1:修改package.json 确保dependencies字段中包含: ```json "react": "16.14.0", "react-dom": "16.14.0" ``` #### 步骤2:清理并重装依赖 ```bash rm -rf node_modules # 删除现有依赖 rm package-lock.json # 删除锁文件 npm install # 重新安装 ``` #### 步骤3:验证安装结果 ```bash npm ls react ``` 预期输出应显示: ``` react@16.14.0 ``` ### 兼容性修复验证 创建测试组件`src/test-dva.js`: ```jsx import React from 'react'; import { connect } from 'dva'; function TestDva({ dispatch }) { const handleClick = () => { dispatch({ type: 'test/load' }); }; return <button onClick={handleClick}>Test Dva</button>; } export default connect()(TestDva); ``` **预期行为:** - 页面渲染正常 - 点击按钮无错误(查看浏览器控制台) ### 常见问题处理 若降级后出现其他依赖警告(如antd): - 升级antd到最新兼容版本: ```bash npm install antd@4.24.0 --save # 确认兼容React 16的最高antd版本 ``` ### 最终建议 对于生产环境,**方案1(降级React)**是风险最低的选择;若项目必须使用React 18,则需评估**方案2(升级dva)**的稳定性。 > 引用说明:`npm install --legacy-peer-deps`方案来自npm官方文档对peer依赖冲突的临时处理建议[^1]。 §§相关问题§§ 1. 如何安全地进行React主版本降级? 2. npm 7+的peer dependency解析机制有哪些改进? 3. 大型项目中如何管理多级依赖版本冲突? 4. 有哪些工具可以可视化分析npm依赖树? </think> ### 解决 npm 依赖冲突的系统方案 #### 问题核心分析 项目中存在以下版本冲突: 1. **dva@2.5.0-beta.2** 要求 React 15.x 或 16.x(不兼容 React 18) 2. **当前 React 版本** 为 18.3.1 3. **其他依赖冲突**: - @ant-design/cssinjs (需要 React ≥16) - @dnd-kit/core (需要 React ≥16.8.0) - react-dom (需要精确匹配 React 18.3.1) #### 解决方案比较 | 方法 | 操作指令 | 优点 | 风险 | |-----------------------------|--------------------------------------|--------------------------|-------------------------------------| | **降级 React (推荐)** | `npm install react@16.14.0 react-dom@16.14.0 --save-exact` | 彻底解决dva兼容问题 | 放弃React 18新特性 | | **临时安装策略** | `npm install --legacy-peer-deps` | 快速绕过冲突 | 可能引入运行时错误 | | **强制安装** | `npm install --force` | 强制完成安装 | 依赖树可能不一致 | | **解析覆盖** | 在package.json添加: | 精确控制特定依赖版本 | 需手动维护所有冲突依赖 | ```json "resolutions": { "react": "16.14.0", "react-dom": "16.14.0" } ``` #### 最佳实践步骤(推荐降级方案) 1. **精确降级 React 版本** ```bash # 降级到dva兼容的最后一个稳定版 npm install react@16.14.0 react-dom@16.14.0 --save-exact ``` 2. **验证依赖树** ```bash npm ls react --depth=3 ``` 预期输出应包含: ``` react@16.14.0 ├── dva@2.5.0-beta.2 ├─┬ @ant-design/cssinjs@1.24.0 │ └── react@16.14.0 deduped ``` 3. **清理缓存并重装** ```bash rm -rf node_modules package-lock.json npm cache clean --force npm install ``` 4. **兼容性验证脚本** 创建 `src/dva-compat-test.jsx`: ```jsx import { connect } from 'dva'; export default connect()(() => { // 测试Hook兼容性(React 16.8+特性) const [state] = React.useState('Works!'); return <div>{`Dva+React 16兼容性测试: ${state}`}</div>; }); ``` #### 备选方案说明 若必须保留 React 18: 1. **使用 `--legacy-peer-deps`** ```bash # 临时解决方案(不推荐长期使用) npm install --legacy-peer-deps ``` **风险提示**:可能导致: - dva 生命周期方法失效 - React 18 并发特性与 dva 不兼容 - 热更新异常 2. **版本隔离方案** ```bash # 使用alias重定向依赖 npm install react-16@npm:react@16.14.0 npm install react-dom-16@npm:react-dom@16.14.0 ``` 在webpack配置中添加: ```js resolve: { alias: { 'react$': 'react-16', 'react-dom$': 'react-dom-16', 'dva': path.resolve(__dirname, 'node_modules/dva') } } ``` #### 验证指标 1. 成功标志: ```bash npm list | grep "react@" # 应显示16.14.0 npm run build # 无编译错误 ``` 2. 运行时检查: - dva 的 `app.model()` 正常注册 - React Hooks 在 dva 组件中正常执行 - 页面无 `Invalid hook call` 错误 > 根据 npm 官方文档,`--legacy-peer-deps` 是临时解决方案,长期项目建议使用精确版本降级[^1]。
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