优化moment.js的体积
//在vue-cli3 使用方式:配置vue.config.js的configureWebpackconst webpack = require("webpack");configureWebpack: {entry: isDev ? [projectThemeEntry, './src/main'] : './src/main',devtool: '#cheap-module-eval-source-map',plugins: [new webpack.ContextReplacementPlugin(/moment[/\\]locale$/, /zh-cn|en-gb/),]}
splitChunks
config.optimization.splitChunks({chunks: 'all',cacheGroups: {vendor: {name: 'chunk-vendors',minChunks: 1,test: /[\\/]node_modules[\\/]/,priority: 20,chunks: 'initial'},hui: {name: 'chunk-hui', // 单独将 echarts 拆包priority: 30,test: /[\\/]node_modules[\\/]hui[\\/]/,chunks: 'all'},echarts: {name: 'chunk-echarts', // 单独将 echarts 拆包priority: 30,test: /[\\/]node_modules[\\/]echarts[\\/]/,chunks: 'all'}}});
chunks
- async:默认, 把动态模块打包进 vendor
 - initial:都分开
 - all::把动态和非动态模块块都扔到 一个vendors里面
 
minChunks: 引入次数,如果为2 那么一个资源最少被引用两次才可以被拆分出来
- 非常好,可以参考
 
