webpack 常用配置

webpack 常用配置

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
// 提取编译后js中的css
const ExtractTextPlugin = require("extract-text-webpack-plugin");
// 压缩js
const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
const webpack = require('webpack');

module.exports = {
    entry: {
        index: './src/index.js'
    },
    output: {
        filename: "[name].js",
        path: path.resolve(__dirname, 'dist')
    },
    devtool: 'source-map',
    devServer: {
        contentBase: './dist'
    },
    plugins: [
        new CleanWebpackPlugin(['dist']),
        // new UglifyJSPlugin(),
        new HtmlWebpackPlugin({
            title: '首页'
        }),
        // 提取公共模块
        new webpack.optimize.CommonsChunkPlugin({
            name: 'common'
        }),
        new ExtractTextPlugin({
            filename: '[name].css',
            ignoreOrder: true,
        })
    ],
    module: {
        rules: [
            {
                test: /\.css$/,
                use: ExtractTextPlugin.extract({
                    use: {
                        loader: 'css-loader',
                        options: {
                            modules: true,
                            sourceMap: true
                        },
                    },
                    fallback : 'style-loader',
                })
            },
            {
                test: /\.js$/,
                exclude: /(node_modules|bower_components)/,
                enforce: 'pre',
                use: {
                    loader: 'babel-loader'
                }
            },
            {
                test: /\.(png|svg|jpg|gif|bmp)$/,
                use: 'file-loader',
                exclude: '/(static)/'
            }
        ]
    }
};