webpack多页面配置

webpack.common.js

const webpack = require("webpack");
const path = require('path');
const glob = require('glob');
const HtmlWebpackPlugin = require('html-webpack-plugin'); // html引擎
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackInlineSourcePlugin = require('html-webpack-inline-source-plugin');
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');

let outputfile = ''
function buildEntriesAndHTML() {
    // 用来构建entry
    const result = glob.sync('views/**/*.js');
    const config = {
        hash: false,
        inject: true
    };
    const entries = {};
    const htmls = [];
    result.forEach(item => {
        const one = path.parse(item);
        outputfile = one.dir.split('/').slice(-1)[0];
        entries[outputfile] = './' + item;
        const filename = {
            'development':'./' + outputfile +  '/index.html',
            'production':'./' + outputfile + '/'+outputfile+'.html',
        }
        htmls.push(
            new HtmlWebpackPlugin({
                ...config,
                template: './' + one.dir + '/index.html',
                filename: filename[process.env.NODE_ENV], // 输出html文件的路径
                title:outputfile+'模版',
                chunks: [outputfile],
                // inlineSource: '.(js|css)'  //配合HtmlWebpackInlineSourcePlugin 插件,如果不需要将css,js内联则不用写
            })
        );
    });
    // 如果不需要将css,js内联则不用写
    /*if (htmls.length > 0) {
        htmls.push(new HtmlWebpackInlineSourcePlugin());
    }*/
    return {
        entries,
        htmls
    };
}
const final = buildEntriesAndHTML();
module.exports =  {
    entry: final.entries,
    module: {
        rules: [
            {
                test: /\.css$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    'css-loader',
                    {loader: 'postcss-loader', options: {plugins: [require("autoprefixer")("last 100 versions")]}}
                ]
            },
            {
                test: /\.less$/,
                use: [
                    MiniCssExtractPlugin.loader,
                    'css-loader?importLoaders=1',
                    {loader: 'postcss-loader', options: {plugins: [require("autoprefixer")("last 100 versions")]}},
                    'less-loader'
                ]
            },
            {
                test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
                /*use:[
                 {
                 loader: 'url-loader',
                 options: {
                 limit: 1024 * 10,
                 name: 'image/[name].[ext]',
                 fallback: 'file-loader'
                 }
                 },
                 {
                 loader: 'image-webpack-loader',// 压缩图片
                 options: {
                 bypassOnDebug: true,
                 }
                 }
                 ]*/
                use: [
                    {
                        loader: 'file-loader',
                        options: {
                            // name: outputfile+'/static/assets/[name].[ext]',
                            name: './static/assets/[name].[ext]',
                        }
                    },
                    {
                        loader: 'image-webpack-loader',// 压缩图片
                        options: {
                            bypassOnDebug: true,
                        }
                    }
                ]
            },
            {
                test: /\.(mp4|webm|ogg|mp3|wav|flac|aac|swf|mov)(\?.*)?$/,
                use: [
                    {
                        loader: 'file-loader',
                        options: {
                            name: 'media/[name].[hash:7].[ext]',
                        }
                    },
                ]
            },
            {
                test: /\.js$/,
                exclude: [
                    /node_modules/,
                    path.resolve(__dirname, "assets/javascripts/swiper.min.js"),
                ],
                use: {
                    loader: "babel-loader"
                }
            },
            {
                test: /\.html$/,
                use: [
                    {
                        loader: "html-loader",
                        options: {
                            minimize: true,// 加载器切换到优化模式,启用压缩。
                            caseSensitive:true // 以区分大小写的方式处理属性(对于自定义HTML标记很有用),即禁止html标签全部转为小写
                        }
                    }
                ]
            }
        ]
    },
    plugins: [
        new OptimizeCSSAssetsPlugin({
            assetNameRegExp: /\.css\.*(?!.*map)/g,  //注意不要写成 /\.css$/g
            cssProcessor: require('cssnano'),
            cssProcessorOptions: {
                discardComments: {removeAll: true},
                // 避免 cssnano 重新计算 z-index
                safe: true,
                // cssnano 集成了autoprefixer的功能
                // 会使用到autoprefixer进行无关前缀的清理
                // 关闭autoprefixer功能
                // 使用postcss的autoprefixer功能
                autoprefixer: false
            },
            canPrint: true
        }),
        new MiniCssExtractPlugin({
            filename: '[name]/[name].css',
            chunkFilename: '[name].css'
        }),
        ...final.htmls
    ],
    resolve: {
        extensions: ['.js', '.json', '.jsx', '.css']
    },
}

webpacl.prod.js

const merge = require('webpack-merge');
const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const common = require('./webpack.common.js');
const path = require('path')
const BUILD_PATH = path.resolve(__dirname,'dist')  //  打包模板生成路径

module.exports = merge(common, {
    output: { // 出口文件
        path: BUILD_PATH,
        publicPath: '/',
        filename: '[name]/[name].js' //输出文件
    },
    devtool: 'source-map',
    plugins: [
        new CleanWebpackPlugin(['dist']),
        new UglifyJSPlugin({
            sourceMap: true,
            uglifyOptions: {
                output: {
                    comments: true,
                },
            }
        })
    ]
});

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