我已经下载了webpack-cli了，但是依然报错。蒙蔽了

Question

我已经下载了webpack-cli了，但是依然报错。蒙蔽了
D:\web\products\webpackTest2>webpack-cli-v
2.0.10
D:\web\products\webpackTest2>webpack-dev-server-v
TheCLImovedintoaseparatepackage:webpack-cli.
Pleaseinstall'webpack-cli'inadditiontowebpackitselftousetheCLI.
->Whenusingnpm:npminstallwebpack-cli-D
->Whenusingyarn:yarnaddwebpack-cli-D
module.js:540
throwerr;
^
Error:Cannotfindmodule'webpack-cli/bin/config-yargs'
atFunction.Module._resolveFilename(module.js:538:15)
atFunction.Module._load(module.js:468:25)
atModule.require(module.js:587:17)
atrequire(internal/module.js:11:18)
atObject.(D:\web\products\webpackTest2\node_modules\_webpack-dev-server@3.1.0@webpack-dev-server\bin\webpack-dev-server.js:65:1)
atModule._compile(module.js:643:30)
atObject.Module._extensions..js(module.js:654:10)
atModule.load(module.js:556:32)
attryModuleLoad(module.js:499:12)
atFunction.Module._load(module.js:491:3)

Answer 1

遇到过一样的问题，不知道你是否也用的webpack4？我的解决方法是在config配置文件中加入配置：mode:'development'或者mode:'production'module.exports={//其他参数mode:'development',devServer:{//其他配置}}mode是webpack4新增配置项。你可以试试。命令行加参数--modedevelopment或--modeproduction应该也可以。

Answer 2

itneedstobeinstalledalongsidewebpacktousetheCLIwebpack-cli需要和webpack同时安装才能生效。记住！！同时安装yarnaddwebpack-cliwebpack-D