internal/modules/cjs/loader.js:583

    throw err;

    ^

Error: Cannot find module 'webpack'

    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:581:15)

    at Function.Module._load (internal/modules/cjs/loader.js:507:25)

    at Module.require (internal/modules/cjs/loader.js:637:17)

    at require (internal/modules/cjs/helpers.js:20:18)

    at Object.<anonymous> (/Users/shenzhenshimujinkejiyouxiangongsi/node_modules/webpack-cli/bin/convert-argv.js:7:24)

    at Module._compile (internal/modules/cjs/loader.js:689:30)

    at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)

    at Module.load (internal/modules/cjs/loader.js:599:32)

    at tryModuleLoad (internal/modules/cjs/loader.js:538:12)

    at Function.Module._load (internal/modules/cjs/loader.js:530:3)

npm ERR! code ELIFECYCLE

npm ERR! errno 1

npm ERR! mathine_call@1.0.0 dev: `webpack-dev-server --inline --progress --config build/webpack.dev.conf.js`

npm ERR! Exit status 1

npm ERR!

npm ERR! Failed at the mathine_call@1.0.0 dev script.

npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:

npm ERR!     /Users/shenzhenshimujinkejiyouxiangongsi/.npm/_logs/2018-11-20T07_03_05_024Z-debug.log

 // Various Dev Server settings

    host: '192.168.0.21', // can be overwritten by process.env.HOST

    port: 1026, // can be overwritten by process.env.PORT, if port is in use, a free one will be determined

    autoOpenBrowser: true,

    errorOverlay: true,

    notifyOnErrors: true,

    poll: false, // https://webpack.js.org/configuration/dev-server/#devserver-watchoptions-

webpack-dev-server  版本需要从最新版本降低到如下版本,因为开始构建项目的那个人所用的插件版本太低