小编pra*_*mar的帖子

我是React.js的新手,我正在尝试从tutorialspoint的教程中学习,但我遇到了错误.执行npm start命令时,控制台上出现以下错误:

C:\Users\HP\Desktop\reactApp1> npm start
> reactapp1@1.0.0 start C:\Users\HP\Desktop\reactApp1.
> webpack-dev-server --hot

The CLI moved into a separate package: webpack-cli. 
Please install .webpack-cli. in addition to webpack itself to use the CLI.
-> When using npm: npm install webpack-cli -D 
-> When using yarn: yarn add webpack-cli -D 
module.js:540
    throw err; 

Error: Cannot find module .webpack-cli/bin/config-yargs. 
    at Function.Module._resolveFilenam (module.js:538:15) 
    at Function.Module. load (module.j5:668:25) 
    at Module.require (module.js,587.17) 
    at require (internal/module.js:11:18) 
    at Object•<anonymous> (C:\Users\HP\Desktop\reactApp1\node_modules\webpack-dev-server\bin\webpack-dev-server.js:65:1) 

    at Module. compile (module.js:663:30) 
    at Object.Module. …