vue config構成の詳細

//config   index.js    
// see http://vuejs-templates.github.io/webpack for documentation.
// path node.js     ，           
var path = require('path')

module.exports = {
    //    build               
    build: {
        //   prod.env.js    ，          ，   (1)
        env: require('./prod.env'),
        //           ，        config，       index        dist/index.html
        index: path.resolve(__dirname, '../dist/index.html'),
        //                   dist  
        assetsRoot: path.resolve(__dirname, '../dist'),
        //                  static，   dist     static
        assetsSubDirectory: 'static',
        //                ，          
        assetsPublicPath: '/',
        //              sourcmap，sourcmap   debug      ，             
        productionSourceMap: true,
        // Gzip off by default as many popular static hosts such as
        // Surge or Netlify already gzip all static assets for you.
        // Before setting to `true`, make sure to:
        // npm install --save-dev compression-webpack-plugin
        //                ，         compression-webpack-plugin
        productionGzip: false,
        //               
        productionGzipExtensions: ['js', 'css'],
        // Run the build command with an extra argument to
        // View the bundle analyzer report after build finishes:
        // `npm run build --report`
        // Set to `true` or `false` to always turn it on or off
        //                ，        true false      
        //    process.env.npm_config_report       npm_config_report    ，      
        bundleAnalyzerReport: process.env.npm_config_report
    },
    dev: {
        //         dev.env.js，        ，  (2)
        env: require('./dev.env'),
        //    dev-server    ，      
        port: 8080,
        //              
        autoOpenBrowser: true,
        assetsSubDirectory: 'static',
        assetsPublicPath: '/',
        //       ，     ，     api            ，        
        //   (3)
        proxyTable: {},
        // CSS Sourcemaps off by default because relative paths are "buggy"
        // with this option, according to the CSS-Loader README
        // (https://github.com/webpack/css-loader#sourcemaps)
        // In our experience, they generally work as expected,
        // just be aware of this issue when enabling this option.
        //     css，map  ，             cssmap      ，      ，    ，    
        //           ，css    ，          
        cssSourceMap: false
    }
}

(1)   prod.env.js     
    module.exports = {
        //      ，        ，NODE_ENV       ，  production  
        NODE_ENV: '"production"'
    }
(2)   dev.env.js     
    //       webpack merge  ，          ，         ，         
    var merge = require('webpack-merge')
    //   prod.env.js    
    var prodEnv = require('./prod.env')
    //          ，      NODE_ENV: '"development"'
    module.exports = merge(prodEnv, {
        NODE_ENV: '"development"'
    })
(3)   proxyTable     
    vue-cli         http-proxy-middleware  ，        api
    proxyTable: {
        '/list': {
            target: 'http://api.xxxxxxxx.com', ->   url  
            changeOrigin: true, ->       
            pathRewrite: {
            '^/list': '/list' ->      /list     api.xxxxxxxx.com/list
            }
        }
    }