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'use strict'
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const path = require('path')
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const port = process.env.port || process.env.npm_config_port || 4949
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const mockUrl = 'http://127.0.0.1:82'
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function resolve(dir) {
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return path.join(__dirname, dir)
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}
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// All configuration item explanations can be find in https://cli.vuejs.org/config/
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module.exports = {
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publicPath: '/mall',
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outputDir: 'dist',
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assetsDir: 'static',
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lintOnSave: process.env.NODE_ENV === 'development',
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devServer: {
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port: port,
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open: true,
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overlay: {
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warnings: false,
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errors: true
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},
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proxy: {
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'/dev-api': {
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target: mockUrl,
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pathRewrite: {
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'^/dev-api': '/'
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},
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secure: false,
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changeOrigin: true
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}
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}
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},
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configureWebpack: {
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devtool: 'source-map',
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name: 'panda-mall',
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resolve: {
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alias: {
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'@': resolve('src')
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}
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},
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// 打包配置
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performance: {
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hints: 'warning',
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// 入口起点的最大体积 整数类型（以字节为单位）
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maxEntrypointSize: 50000000,
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// 生成文件的最大体积 整数类型（以字节为单位 300k）
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maxAssetSize: 30000000,
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// 只给出 js 文件的性能提示
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assetFilter: function(assetFilename) {
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return assetFilename.endsWith('.js')
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}
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}
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},
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chainWebpack(config) {
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// it can improve the speed of the first screen, it is recommended to turn on preload
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config.plugin('preload').tap(() => [
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{
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rel: 'preload',
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// to ignore runtime.js
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// https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
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fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
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include: 'initial'
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}
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])
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// when there are many pages, it will cause too many meaningless requests
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config.plugins.delete('prefetch')
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// set svg-sprite-loader
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config.module
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.rule('svg')
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.exclude.add(resolve('src/icons'))
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.end()
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config.module
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.rule('icons')
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.test(/\.svg$/)
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.include.add(resolve('src/icons'))
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.end()
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.use('svg-sprite-loader')
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.loader('svg-sprite-loader')
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.options({
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symbolId: 'icon-[name]'
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})
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.end()
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config.when(process.env.NODE_ENV !== 'development', config => {
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config.optimization.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' // only package third parties that are initially dependent
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},
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commons: {
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name: 'chunk-commons',
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test: resolve('src/components'), // can customize your rules
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minChunks: 3, // minimum common number
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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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// https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
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config.optimization.runtimeChunk('single')
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})
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}
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}
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