手把手教你vue-cli单页到多页应用的方法(3)

'use strict'
const utils = require('./utils')
const webpack = require('webpack')
const config = require('../config')
const merge = require('webpack-merge')
const path = require('path')
const baseWebpackConfig = require('./webpack.base.conf')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const FriendlyErrorsPlugin = require('friendly-errors-webpack-plugin')
const portfinder = require('portfinder')

const HOST = process.env.HOST
const PORT = process.env.PORT && Number(process.env.PORT)

const devWebpackConfig = merge(baseWebpackConfig, {
 module: {
  rules: utils.styleLoaders({ sourceMap: config.dev.cssSourceMap, usePostCSS: true })
 },
 // cheap-module-eval-source-map is faster for development
 devtool: config.dev.devtool,

 // these devServer options should be customized in /config/index.js
 devServer: {
  clientLogLevel: 'warning',
  historyApiFallback: {
   rewrites: [
    { from: /.*/, to: path.posix.join(config.dev.assetsPublicPath, 'index.html') },
   ],
  },
  hot: true,
  contentBase: false, // since we use CopyWebpackPlugin.
  compress: true,
  host: HOST || config.dev.host,
  port: PORT || config.dev.port,
  open: config.dev.autoOpenBrowser,
  overlay: config.dev.errorOverlay
   ? { warnings: false, errors: true }
   : false,
  publicPath: config.dev.assetsPublicPath,
  proxy: config.dev.proxyTable,
  quiet: true, // necessary for FriendlyErrorsPlugin
  watchOptions: {
   poll: config.dev.poll,
  }
 },
 plugins: [
  new webpack.DefinePlugin({
   'process.env': require('../config/dev.env')
  }),
  new webpack.HotModuleReplacementPlugin(),
  new webpack.NamedModulesPlugin(), // HMR shows correct file names in console on update.
  new webpack.NoEmitOnErrorsPlugin(),
  // https://github.com/ampedandwired/html-webpack-plugin
  //del  注释掉spa固定的单页出口 末尾动态配上出口
  // new HtmlWebpackPlugin({
  //  filename: 'index.html',
  //  template: 'index.html',
  //  inject: true
  // }),
  //end
  // copy custom static assets
  new CopyWebpackPlugin([
   {
    from: path.resolve(__dirname, '../static'),
    to: config.dev.assetsSubDirectory,
    ignore: ['.*']
   }
  ])
 ]
 //add
  .concat(utils.createHtmlWebpackPlugin())
 //end
})
//del
// module.exports = new Promise((resolve, reject) => {
//  portfinder.basePort = process.env.PORT || config.dev.port
//  portfinder.getPort((err, port) => {
//   if (err) {
//    reject(err)
//   } else {
//    // publish the new Port, necessary for e2e tests
//    process.env.PORT = port
//    // add port to devServer config
//    devWebpackConfig.devServer.port = port
//
//    // Add FriendlyErrorsPlugin
//    devWebpackConfig.plugins.push(new FriendlyErrorsPlugin({
//     compilationSuccessInfo: {
//      messages: [`Your application is running here: http://${devWebpackConfig.devServer.host}:${port}`],
//     },
//     onErrors: config.dev.notifyOnErrors
//     ? utils.createNotifierCallback()
//     : undefined
//    }))
//
//    resolve(devWebpackConfig)
//   }
//  })
// })
//end