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vueblog/build/webpack.prod.conf.js

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+'use strict'
+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')
+
+const webpackConfig = merge(baseWebpackConfig, {
+  module: {
+    rules: utils.styleLoaders({
+      sourceMap: config.build.productionSourceMap,
+      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: [
+    // http://vuejs.github.io/vue-loader/en/workflow/production.html
+    new webpack.DefinePlugin({
+      'process.env': env
+    }),
+    new UglifyJsPlugin({
+      uglifyOptions: {
+        compress: {
+          warnings: false
+        }
+      },
+      sourceMap: config.build.productionSourceMap,
+      parallel: true
+    }),
+    // extract css into its own file
+    new ExtractTextPlugin({
+      filename: utils.assetsPath('css/[name].[contenthash].css'),
+      // Setting the following option to `false` will not extract CSS from codesplit chunks.
+      // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
+      // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`, 
+      // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
+      allChunks: true,
+    }),
+    // Compress extracted CSS. We are using this plugin so that possible
+    // duplicated CSS from different components can be deduped.
+    new OptimizeCSSPlugin({
+      cssProcessorOptions: config.build.productionSourceMap
+        ? { safe: true, map: { inline: false } }
+        : { safe: true }
+    }),
+    // generate dist index.html with correct asset hash for caching.
+    // you can customize output by editing /index.html
+    // see https://github.com/ampedandwired/html-webpack-plugin
+    new HtmlWebpackPlugin({
+      filename: config.build.index,
+      template: 'index.html',
+      inject: true,
+      minify: {
+        removeComments: true,
+        collapseWhitespace: true,
+        removeAttributeQuotes: true
+        // more options:
+        // https://github.com/kangax/html-minifier#options-quick-reference
+      },
+      // 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(),
+    // split vendor js into its own file
+    new webpack.optimize.CommonsChunkPlugin({
+      name: 'vendor',
+      minChunks (module) {
+        // any required modules inside node_modules are extracted to vendor
+        return (
+          module.resource &&
+          /\.js$/.test(module.resource) &&
+          module.resource.indexOf(
+            path.join(__dirname, '../node_modules')
+          ) === 0
+        )
+      }
+    }),
+    // extract webpack runtime and module manifest to its own file in order to
+    // prevent vendor hash from being updated whenever app bundle is updated
+    new webpack.optimize.CommonsChunkPlugin({
+      name: 'manifest',
+      minChunks: Infinity
+    }),
+    // This instance extracts shared chunks from code splitted chunks and bundles them
+    // in a separate chunk, similar to the vendor chunk
+    // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
+    new webpack.optimize.CommonsChunkPlugin({
+      name: 'app',
+      async: 'vendor-async',
+      children: true,
+      minChunks: 3
+    }),
+
+    // copy custom static assets
+    new CopyWebpackPlugin([
+      {
+        from: path.resolve(__dirname, '../static'),
+        to: config.build.assetsSubDirectory,
+        ignore: ['.*']
+      }
+    ])
+  ]
+})
+
+if (config.build.productionGzip) {
+  const CompressionWebpackPlugin = require('compression-webpack-plugin')
+
+  webpackConfig.plugins.push(
+    new CompressionWebpackPlugin({
+      asset: '[path].gz[query]',
+      algorithm: 'gzip',
+      test: new RegExp(
+        '\\.(' +
+        config.build.productionGzipExtensions.join('|') +
+        ')$'
+      ),
+      threshold: 10240,
+      minRatio: 0.8
+    })
+  )
+}
+
+if (config.build.bundleAnalyzerReport) {
+  const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
+  webpackConfig.plugins.push(new BundleAnalyzerPlugin())
+}
+
+module.exports = webpackConfig