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-'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 ScriptExtHtmlWebpackPlugin = require('script-ext-html-webpack-plugin')
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-const MiniCssExtractPlugin = require('mini-css-extract-plugin')
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-const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin')
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-const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
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-
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-function resolve(dir) {
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- return path.join(__dirname, '..', dir)
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-}
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-
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-const env = require('../config/' + process.env.env_config + '.env')
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-
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-// For NamedChunksPlugin
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-const seen = new Set()
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-const nameLength = 4
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-
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-const webpackConfig = merge(baseWebpackConfig, {
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- mode: 'production',
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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:8].js'),
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- chunkFilename: utils.assetsPath('js/[name].[chunkhash:8].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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- // extract css into its own file
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- new MiniCssExtractPlugin({
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- filename: utils.assetsPath('css/[name].[contenthash:8].css'),
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- chunkFilename: utils.assetsPath('css/[name].[contenthash:8].css')
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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: config.build.index,
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- template: 'index.html',
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- inject: true,
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- favicon: resolve('favicon.ico'),
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- title: 'vue-element-admin',
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- templateParameters: {
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- BASE_URL: config.build.assetsPublicPath + config.build.assetsSubDirectory,
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- },
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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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- // default sort mode uses toposort which cannot handle cyclic deps
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- // in certain cases, and in webpack 4, chunk order in HTML doesn't
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- // matter anyway
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- }),
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- new ScriptExtHtmlWebpackPlugin({
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- //`runtime` must same as runtimeChunk name. default is `runtime`
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- inline: /runtime\..*\.js$/
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- }),
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- // keep chunk.id stable when chunk has no name
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- new webpack.NamedChunksPlugin(chunk => {
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- if (chunk.name) {
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- return chunk.name
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- }
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- const modules = Array.from(chunk.modulesIterable)
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- if (modules.length > 1) {
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- const hash = require('hash-sum')
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- const joinedHash = hash(modules.map(m => m.id).join('_'))
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- let len = nameLength
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- while (seen.has(joinedHash.substr(0, len))) len++
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- seen.add(joinedHash.substr(0, len))
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- return `chunk-${joinedHash.substr(0, len)}`
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- } else {
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- return modules[0].id
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- }
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- }),
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- // keep module.id stable when vender modules does not change
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- new webpack.HashedModuleIdsPlugin(),
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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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- optimization: {
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- splitChunks: {
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- chunks: 'all',
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- cacheGroups: {
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- libs: {
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- name: 'chunk-libs',
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- test: /[\\/]node_modules[\\/]/,
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- priority: 10,
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- chunks: 'initial' // 只打包初始时依赖的第三方
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- },
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- elementUI: {
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- name: 'chunk-elementUI', // 单独将 elementUI 拆包
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- priority: 20, // 权重要大于 libs 和 app 不然会被打包进 libs 或者 app
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- test: /[\\/]node_modules[\\/]element-ui[\\/]/
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- },
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- commons: {
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- name: 'chunk-commons',
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- test: resolve('src/components'), // 可自定义拓展你的规则
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- minChunks: 3, // 最小公用次数
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- priority: 5,
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- reuseExistingChunk: true
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- }
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- }
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- },
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- runtimeChunk: 'single',
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- minimizer: [
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- new UglifyJsPlugin({
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- uglifyOptions: {
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- mangle: {
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- safari10: true
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- }
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- },
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- sourceMap: config.build.productionSourceMap,
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- cache: true,
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- parallel: 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 OptimizeCSSAssetsPlugin()
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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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-
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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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- '\\.(' + config.build.productionGzipExtensions.join('|') + ')$'
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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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-
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-if (config.build.generateAnalyzerReport || config.build.bundleAnalyzerReport) {
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- const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
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- .BundleAnalyzerPlugin
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-
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- if (config.build.bundleAnalyzerReport) {
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- webpackConfig.plugins.push(
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- new BundleAnalyzerPlugin({
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- analyzerPort: 8080,
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- generateStatsFile: false
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- })
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- )
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- }
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-
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- if (config.build.generateAnalyzerReport) {
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- webpackConfig.plugins.push(
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- new BundleAnalyzerPlugin({
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- analyzerMode: 'static',
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- reportFilename: 'bundle-report.html',
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- openAnalyzer: false
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- })
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- )
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- }
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-}
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-
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-module.exports = webpackConfig
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