webpack打包报错 Cannot find module 'webpack-cli/bin/config-yargs'

• 查看package.json文件

// package.json

"devDependencies": {
    "webpack": "^5.2.0",
    "webpack-cli": "^3.3.12",
    "webpack-dev-server": "^3.11.0"
}

在 github 上找到问题：

https://github.com/webpack/webpack-cli/issues

解决方案：

1. 卸载 webpack-cli：npm uninstall webpack-cli
2. 安装 webpack-cli 3.* 版本： npm install webpack-cli@3 -D