vue组件库搭建过程中使用webpack打包组件时报错，报错内容如下： Error: Cannot find module 'vue/compiler-sfc' Require stack: - D:\vue2\moon-ui\node_modules\vue-loader\dist\index.js - D:\vue2\moon-ui\webpack.config.js at Function.Module._resolveFilename (node:internal/modules/cjs/loader:933:15) at Function.Module._load (node:internal/modules/cjs/loader:778:27) at Module.require (node:internal/modules/cjs/loader:1005:19) at require (node:internal/modules/cjs/helpers:102:18) at Object.<anonymous> (D:\vue2\moon-ui\node_modules\vue-loader\dist\index.js:8:24) at Module._compile (node:internal/modules/cjs/loader:1101:14) at Object.Module._extensions..js (node:internal/modules/cjs/loader:1153:10) at Module.load (node:internal/modules/cjs/loader:981:32) at Function.Module._load (node:internal/modules/cjs/loader:822:12) at Module.require (node:internal/modules/cjs/loader:1005:19) { code: 'MODULE_NOT_FOUND', requireStack: [ 'D:\\vue2\\moon-ui\\node_modules\\vue-loader\\dist\\index.js', 'D:\\vue2\\moon-ui\\webpack.config.js' ] }

发现报错文件：webpack.config.js

const path = require("path"); const VueLoaderPlugin = require('vue-loader/lib/plugin'); const glob = require("glob"); const list = {}; ? async function makeList(dirPath, list) { const files = glob.sync(`${dirPath}/**/index.js`) for (const file of files) { const component = file.split(/[/.]/)[2]; list[component] = `./${file}`; } } makeList("components/lib", list) module.exports = { entry: list, output: { filename: '[name].umd.js', path: path.resolve(__dirname, "dist"), library: 'mui', libraryTarget: 'umd' }, plugins: [ new VueLoaderPlugin(), ], module: { rules: [ { test: /\.vue$/, use: [ { loader: 'vue-loader' }, ] } ] } };

通过执行下面代码，测试当前文件是否可执行：

node webpack.config.js

发现当引入VueLoaderPligin时报错

const VueLoaderPlugin = require('vue-loader/lib/plugin');

查询发现package.json中vue-loader版本是17.0.0：

{ ... "devDependencies": { ... "vue-loader": "^17.0.0", ... } } 解决方法 npm i vue-loader@15 -D

安装低版本的vue-loader

重新尝试打包，解决问题！

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