2 const path = require('path')
3 const utils = require('./utils')
4 const webpack = require('webpack')
5 const config = require('../config')
6 const merge = require('webpack-merge')
7 const baseWebpackConfig = require('./webpack.base.conf')
8 const CopyWebpackPlugin = require('copy-webpack-plugin')
9 const HtmlWebpackPlugin = require('html-webpack-plugin')
10 const ExtractTextPlugin = require('extract-text-webpack-plugin')
11 const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
12 const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
14 const env = require('../config/prod.env')
16 const webpackConfig = merge(baseWebpackConfig, {
18 rules: utils.styleLoaders({
19 sourceMap: config.build.productionSourceMap,
24 devtool: config.build.productionSourceMap ? config.build.devtool : false,
26 path: config.build.assetsRoot,
27 filename: utils.assetsPath('js/[name].[chunkhash].js'),
28 chunkFilename: utils.assetsPath('js/[id].[chunkhash].js')
31 // http://vuejs.github.io/vue-loader/en/workflow/production.html
32 new webpack.DefinePlugin({
41 sourceMap: config.build.productionSourceMap,
44 // extract css into its own file
45 new ExtractTextPlugin({
46 filename: utils.assetsPath('css/[name].[contenthash].css'),
47 // Setting the following option to `false` will not extract CSS from codesplit chunks.
48 // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
49 // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`,
50 // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
53 // Compress extracted CSS. We are using this plugin so that possible
54 // duplicated CSS from different components can be deduped.
55 new OptimizeCSSPlugin({
56 cssProcessorOptions: config.build.productionSourceMap
57 ? { safe: true, map: { inline: false } }
60 // generate dist index.html with correct asset hash for caching.
61 // you can customize output by editing /index.html
62 // see https://github.com/ampedandwired/html-webpack-plugin
63 new HtmlWebpackPlugin({
64 filename: config.build.index,
65 template: 'index.html',
69 collapseWhitespace: true,
70 removeAttributeQuotes: true
72 // https://github.com/kangax/html-minifier#options-quick-reference
74 // necessary to consistently work with multiple chunks via CommonsChunkPlugin
75 chunksSortMode: 'dependency'
77 // keep module.id stable when vendor modules does not change
78 new webpack.HashedModuleIdsPlugin(),
79 // enable scope hoisting
80 new webpack.optimize.ModuleConcatenationPlugin(),
81 // split vendor js into its own file
82 new webpack.optimize.CommonsChunkPlugin({
85 // any required modules inside node_modules are extracted to vendor
88 /\.js$/.test(module.resource) &&
89 module.resource.indexOf(
90 path.join(__dirname, '../node_modules')
95 // extract webpack runtime and module manifest to its own file in order to
96 // prevent vendor hash from being updated whenever app bundle is updated
97 new webpack.optimize.CommonsChunkPlugin({
101 // This instance extracts shared chunks from code splitted chunks and bundles them
102 // in a separate chunk, similar to the vendor chunk
103 // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
104 new webpack.optimize.CommonsChunkPlugin({
106 async: 'vendor-async',
111 // copy custom static assets
112 new CopyWebpackPlugin([
114 from: path.resolve(__dirname, '../static'),
115 to: config.build.assetsSubDirectory,
122 if (config.build.productionGzip) {
123 const CompressionWebpackPlugin = require('compression-webpack-plugin')
125 webpackConfig.plugins.push(
126 new CompressionWebpackPlugin({
127 asset: '[path].gz[query]',
131 config.build.productionGzipExtensions.join('|') +
140 if (config.build.bundleAnalyzerReport) {
141 const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
142 webpackConfig.plugins.push(new BundleAnalyzerPlugin())
145 module.exports = webpackConfig