webpack-dev-server 找不到模块“webpack" [英] webpack-dev-server Cannot find module 'webpack'
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问题描述
我正在尝试使用 webpack-dev-server 来运行一个简单的程序但我收到此错误:
I'm trying to use webpack-dev-server to run a simple program but I'm getting this error:
module.js:471
throw err;
^
Error: Cannot find module 'webpack'
at Function.Module._resolveFilename (module.js:469:15)
at Function.Module._load (module.js:417:25)
at Module.require (module.js:497:17)
at require (internal/module.js:20:19)
at Object.<anonymous>
at Module._compile (module.js:570:32)
at Object.Module._extensions..js (module.js:579:10)
at Module.load (module.js:487:32)
at tryModuleLoad (module.js:446:12)
at Function.Module._load (module.js:438:3)
我已经使用以下 npm 命令安装了 webpack
I have installed webpack with following npm command
npm install --save-dev webpack
我有以下配置:
(webpack.config.js)
var webpack = require('webpack');
var path = require('path');
var BUILD_DIR = path.resolve(__dirname, 'client/public');
var APP_DIR = path.resolve(__dirname, 'client/app');
var config = {
entery: APP_DIR + '/index.js',
output: {
path: BUILD_DIR,
filename: 'bundle,js',
},
module: {
loaders: [
{
test: /.jsx?$/,
loader: 'babel-loader',
exclude: /node_modules/,
query: {
presets: ['es2015', 'react']
}
}
]
}
};
module.exports = config;
我已经尝试了一切,但我真的很迷茫.有人知道吗?
I have tried everything and I'm really lost. Does anyone have any idea?
推荐答案
npm install --save-dev webpack
是不够的.
您还必须安装以下内容:
You also have to install the following:
npm install --save-dev webpack-dev-server
您也可以选择安装:
npm install --save-dev webpack-dev-middleware webpack-hot-middleware
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