cli脚手架中webpack配置方法(5)

const path = require('path') const utils = require('./utils') const webpack = require('webpack') const config = require('../config') const merge = require('webpack-merge') const baseWebpackConfig = require('./webpack.base.conf') const CopyWebpackPlugin = require('copy-webpack-plugin') const HtmlWebpackPlugin = require('html-webpack-plugin') const ExtractTextPlugin = require('extract-text-webpack-plugin') const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin') const UglifyJsPlugin = require('uglifyjs-webpack-plugin') const env = require('../config/prod.env') function resolveApp(relativePath) { return path.resolve(relativePath); } const webpackConfig = merge(baseWebpackConfig, { module: { rules: utils.styleLoaders({ sourceMap: config.build.productionSourceMap,//开启调试的模式。默认为true extract: true, usePostCSS: true }) }, devtool: config.build.productionSourceMap ? config.build.devtool : false, output: { path: config.build.assetsRoot, filename: utils.assetsPath('js/[name].[chunkhash].js'), chunkFilename: utils.assetsPath('js/[id].[chunkhash].js') }, plugins: [ // new webpack.DefinePlugin({ 'process.env': env }), new UglifyJsPlugin({ uglifyOptions: { compress: { warnings: false //警告：true保留警告，false不保留 } }, sourceMap: config.build.productionSourceMap, parallel: true }), // extract css into its own file //抽取文本。比如打包之后的index页面有style插入，就是这个插件抽取出来的，减少请求 new ExtractTextPlugin({ filename: utils.assetsPath('css/[name].[contenthash].css'), allChunks: true, }), //优化css的插件 new OptimizeCSSPlugin({ cssProcessorOptions: config.build.productionSourceMap ? { safe: true, map: { inline: false } } : { safe: true } }), //html打包 new HtmlWebpackPlugin({ filename: config.build.index, template: 'index.html', inject: true, //压缩 minify: { removeComments: true, //删除注释 collapseWhitespace: true, //删除空格 removeAttributeQuotes: true //删除属性的引号 }, chunks: ['vendor', 'manifest', 'app'], // necessary to consistently work with multiple chunks via CommonsChunkPlugin chunksSortMode: 'dependency' }), new HtmlWebpackPlugin({ filename: config.build.login, template: 'login.html', inject: true, minify: { removeComments: true, collapseWhitespace: true, removeAttributeQuotes: true }, chunks: ['vendor', 'manifest', 'login'], // necessary to consistently work with multiple chunks via CommonsChunkPlugin chunksSortMode: 'dependency' }), new HtmlWebpackPlugin({ filename: config.build.license, template: 'license.html', inject: true, minify: { removeComments: true, collapseWhitespace: true, removeAttributeQuotes: true }, chunks: ['vendor', 'manifest', 'license'], // necessary to consistently work with multiple chunks via CommonsChunkPlugin chunksSortMode: 'dependency' }), new HtmlWebpackPlugin({ filename: config.build.notfound, template: path.resolve(__dirname, '../errors/404.html'), inject: true, favicon: resolveApp('favicon.ico'), minify: { removeComments: true, collapseWhitespace: true, removeAttributeQuotes: true }, chunks: [], // necessary to consistently work with multiple chunks via CommonsChunkPlugin chunksSortMode: 'dependency' }), new HtmlWebpackPlugin({ filename: config.build.forbidden, template: path.resolve(__dirname, '../errors/403.html'), inject: true, favicon: resolveApp('favicon.ico'), minify: { removeComments: true, collapseWhitespace: true, removeAttributeQuotes: true }, chunks: [], // necessary to consistently work with multiple chunks via CommonsChunkPlugin chunksSortMode: 'dependency' }), new HtmlWebpackPlugin({ filename: config.build.internal, template: path.resolve(__dirname, '../errors/500.html'), inject: true, favicon: resolveApp('favicon.ico'), minify: { removeComments: true, collapseWhitespace: true, removeAttributeQuotes: true }, chunks: [], // necessary to consistently work with multiple chunks via CommonsChunkPlugin chunksSortMode: 'dependency' }), new HtmlWebpackPlugin({ filename: config.build.licenses, template: 'licenses.html', inject: true, minify: { removeComments: true, collapseWhitespace: true, removeAttributeQuotes: true }, chunks: [], // necessary to consistently work with multiple chunks via CommonsChunkPlugin chunksSortMode: 'dependency' }), // keep module.id stable when vender modules does not change new webpack.HashedModuleIdsPlugin(), // enable scope hoisting new webpack.optimize.ModuleConcatenationPlugin(), //抽取公共的模块, 提升你的代码在浏览器中的执行速度。 new webpack.optimize.CommonsChunkPlugin({ name: 'vendor', minChunks (module) { // any required modules inside node_modules are extracted to vendor return ( module.resource && /\.js$/.test(module.resource) && module.resource.indexOf( path.join(__dirname, '../node_modules') ) === 0 ) } }), // extract webpack runtime and module manifest to its own file in order to // prevent vendor hash from being updated whenever app bundle is updated new webpack.optimize.CommonsChunkPlugin({ name: 'manifest', minChunks: Infinity }), // 预编译所有模块到一个闭包中， new webpack.optimize.CommonsChunkPlugin({ name: 'app', async: 'vendor-async', children: true, minChunks: 3 }), //复制，比如打包完之后需要把打包的文件复制到dist里面 new CopyWebpackPlugin([ { from: path.resolve(__dirname, '../static'), to: config.build.assetsSubDirectory, ignore: ['.*'] } ]) ] }) if (config.build.productionGzip) { const CompressionWebpackPlugin = require('compression-webpack-plugin') webpackConfig.plugins.push( new CompressionWebpackPlugin({ asset: '[path].gz[query]', algorithm: 'gzip', test: new RegExp( '\\.(' + config.build.productionGzipExtensions.join('|') + ')$' ), threshold: 10240, minRatio: 0.8 }) ) } // 提供带 Content-Encoding 编码的压缩版的资源 if (config.build.bundleAnalyzerReport) { const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin webpackConfig.plugins.push(new BundleAnalyzerPlugin()) } module.exports = webpackConfig