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