admin-fe/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')
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const ScriptExtHtmlWebpackPlugin = require('script-ext-html-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin')
const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
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function resolve(dir) {
return path.join(__dirname, '..', dir)
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}
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const env = require('../config/' + process.env.env_config + '.env')
// For NamedChunksPlugin
const seen = new Set()
const nameLength = 4
const webpackConfig = merge(baseWebpackConfig, {
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mode: 'production',
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module: {
rules: utils.styleLoaders({
sourceMap: config.build.productionSourceMap,
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extract: true,
usePostCSS: true
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})
},
devtool: config.build.productionSourceMap ? config.build.devtool : false,
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output: {
path: config.build.assetsRoot,
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filename: utils.assetsPath('js/[name].[chunkhash:8].js'),
chunkFilename: utils.assetsPath('js/[name].[chunkhash:8].js')
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},
plugins: [
// http://vuejs.github.io/vue-loader/en/workflow/production.html
new webpack.DefinePlugin({
'process.env': env
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}),
// extract css into its own file
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new MiniCssExtractPlugin({
filename: utils.assetsPath('css/[name].[contenthash:8].css'),
chunkFilename: utils.assetsPath('css/[name].[contenthash:8].css')
}),
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// 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,
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template: 'index.html',
inject: true,
favicon: resolve('favicon.ico'),
title: 'vue-element-admin',
path: config.build.assetsPublicPath + config.build.assetsSubDirectory,
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minify: {
removeComments: true,
collapseWhitespace: true,
removeAttributeQuotes: true
// more options:
// 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
// in certain cases, and in webpack 4, chunk order in HTML doesn't
// matter anyway
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}),
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new ScriptExtHtmlWebpackPlugin({
//`runtime` must same as runtimeChunk name. default is `runtime`
inline: /runtime\..*\.js$/
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}),
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// keep chunk.id stable when chunk has no name
new webpack.NamedChunksPlugin(chunk => {
if (chunk.name) {
return chunk.name
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}
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const modules = Array.from(chunk.modulesIterable)
if (modules.length > 1) {
const hash = require('hash-sum')
const joinedHash = hash(modules.map(m => m.id).join('_'))
let len = nameLength
while (seen.has(joinedHash.substr(0, len))) len++
seen.add(joinedHash.substr(0, len))
return `chunk-${joinedHash.substr(0, len)}`
} else {
return modules[0].id
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}
}),
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// keep module.id stable when vender modules does not change
new webpack.HashedModuleIdsPlugin(),
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// copy custom static assets
new CopyWebpackPlugin([
{
from: path.resolve(__dirname, '../static'),
to: config.build.assetsSubDirectory,
ignore: ['.*']
}
])
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],
optimization: {
splitChunks: {
chunks: 'all',
cacheGroups: {
libs: {
name: 'chunk-libs',
test: /[\\/]node_modules[\\/]/,
priority: 10,
chunks: 'initial' // 只打包初始时依赖的第三方
},
elementUI: {
name: 'chunk-elementUI', // 单独将 elementUI 拆包
priority: 20, // 权重要大于 libs 和 app 不然会被打包进 libs 或者 app
test: /[\\/]node_modules[\\/]element-ui[\\/]/
},
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
minChunks: 3, // 最小公用次数
priority: 5,
reuseExistingChunk: true
}
}
},
runtimeChunk: 'single',
minimizer: [
new UglifyJsPlugin({
uglifyOptions: {
mangle: {
safari10: true
}
},
sourceMap: config.build.productionSourceMap,
cache: true,
parallel: true
}),
// Compress extracted CSS. We are using this plugin so that possible
// duplicated CSS from different components can be deduped.
new OptimizeCSSAssetsPlugin()
]
}
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})
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if (config.build.productionGzip) {
const CompressionWebpackPlugin = require('compression-webpack-plugin')
webpackConfig.plugins.push(
new CompressionWebpackPlugin({
asset: '[path].gz[query]',
algorithm: 'gzip',
test: new RegExp(
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'\\.(' + config.build.productionGzipExtensions.join('|') + ')$'
),
threshold: 10240,
minRatio: 0.8
})
)
}
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if (config.build.generateAnalyzerReport || config.build.bundleAnalyzerReport) {
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
.BundleAnalyzerPlugin
if (config.build.bundleAnalyzerReport) {
webpackConfig.plugins.push(
new BundleAnalyzerPlugin({
analyzerPort: 8080,
generateStatsFile: false
})
)
}
if (config.build.generateAnalyzerReport) {
webpackConfig.plugins.push(
new BundleAnalyzerPlugin({
analyzerMode: 'static',
reportFilename: 'bundle-report.html',
openAnalyzer: false
})
)
}
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}
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module.exports = webpackConfig