配置webpack-hot-middleware实现Node服务热重载遇模块找不到错误求助
Node + TypeScript + webpack-hot-middleware 热重载配置问题
我在Node服务器中尝试用webpack-hot-middleware实现热重载,做了一个TypeScript示例应用,访问localhost:3000/时控制台会打印'Hello endpoint',希望修改文本后,访问端点能实时更新输出。
我按照webpack-hot-middleware文档完成了以下配置:
- 添加插件:
new webpack.HotModuleReplacementPlugin(); - 在webpack.config.js的入口中添加:
webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000&reload=true; - 在server.ts中搭建Express应用,配置了webpack-dev-middleware和webpack-hot-middleware。
目前应用可构建,但运行Node时出现如下异常:
user@deskmini:~/src/webpack-node-hmr$ npm run dev > webpack-node-hmr@1.0.0 dev > node dist/server/server.js /home/user/src/webpack-node-hmr/dist/server/server.js:270 /******/ throw e; ^ Error: Cannot find module 'webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000&reload=true' Require stack: - /home/user/src/webpack-node-hmr/dist/server/server.js at Function.Module._resolveFilename (node:internal/modules/cjs/loader:956:15) at Function.Module._load (node:internal/modules/cjs/loader:804:27) at Module.require (node:internal/modules/cjs/loader:1028:19) at require (node:internal/modules/cjs/helpers:102:18) at Object.webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000&reload=true (/home/user/src/webpack-node-hmr/dist/server/server.js:216:18) at __webpack_require__ (/home/user/src/webpack-node-hmr/dist/server/server.js:267:33) at /home/user/src/webpack-node-hmr/dist/server/server.js:1192:11 at Object.<anonymous> (/home/user/src/webpack-node-hmr/dist/server/server.js:1195:12) at Module._compile (node:internal/modules/cjs/loader:1126:14) at Object.Module._extensions..js (node:internal/modules/cjs/loader:1180:10) { code: 'MODULE_NOT_FOUND', requireStack: [ '/home/user/src/webpack-node-hmr/dist/server/server.js' ] }
程序似乎无法处理查询参数,我做了以下尝试但未解决问题:
- 移除查询参数后,
webpack-hot-middleware/client.js可找到,但报错__resourceQuery未定义,且我仍需传递参数; - 完全移除该入口后,webpack-dev-server可编译但修改无法同步到端点输出;
- 参考其他Stack Overflow帖子操作后仍出现相同错误。
请问如何解决该问题,实现热重载让修改直接同步到编译后的server.js文件?
我的GitHub仓库地址:https://github.com/jlemein/webpack-node-hmr/tree/stackoverflow-hmr-question
内容的提问来源于stack exchange,提问作者J. Lemein
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