vue-cli npm run build -- --report生成的文件问题

在使用命令 npm run build -- --report对项目进行分析的时候发现生成了两个一模一样的js 文件
image.png
找不到对应的配置项 有没有大佬有过类似的经验

  • vue.config.js

    'use strict'
    const path = require('path')
    
    function resolve(dir) {
    return path.join(__dirname, dir)
    }
    
    const name = 'page' // page title
    
    // If your port is set to 80,
    // use administrator privileges to execute the command line.
    // For example, Mac: sudo npm run
    // You can change the port by the following methods:
    // port = 9528 npm run dev OR npm run dev --port = 9528
    const port = process.env.port || process.env.npm_config_port || 9528 // dev port
    
    // All configuration item explanations can be find in https://cli.vuejs.org/config/
    module.exports = {
    /**
     * You will need to set publicPath if you plan to deploy your site under a sub path,
     * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
     * then publicPath should be set to "/bar/".
     * In most cases please use '/' !!!
     * Detail: https://cli.vuejs.org/config/#publicpath
     */
    publicPath: './',
    outputDir: 'dist',
    assetsDir: 'static',
    lintOnSave: process.env.NODE_ENV === 'development',
    productionSourceMap: false,
    devServer: {
      port: port,
      open: false,
      overlay: {
        warnings: false,
        errors: true
      },
      proxy: {
        '/': {
          target: process.env.VUE_APP_BASE_API,
          ws: false,
          changeOrigin: true,
          pathRewrite: {
            '^/': '/'
          }
        }
      }
      // before: require('./mock/mock-server.js')
    },
    configureWebpack: {
      // provide the app's title in webpack's name field, so that
      // it can be accessed in index.html to inject the correct title.
      name: name,
      resolve: {
        alias: {
          '@': resolve('src'),
          '@crud': resolve('src/components/Crud'),
          '@components': resolve('src/components')
          // mock: resolve('mock')
        }
      }
    },
    chainWebpack(config) {
      // it can improve the speed of the first screen, it is recommended to turn on preload
      config.plugin('preload').tap(() => [
        {
          rel: 'preload',
          // to ignore runtime.js
          // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
          fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
          include: 'initial'
        }
      ])
    
      // when there are many pages, it will cause too many meaningless requests
      config.plugins.delete('prefetch')
    
      // set svg-sprite-loader
      config.module
        .rule('svg')
        .exclude.add(resolve('src/icons'))
        .end()
      config.module
        .rule('icons')
        .test(/\.svg$/)
        .include.add(resolve('src/icons'))
        .end()
        .use('svg-sprite-loader')
        .loader('svg-sprite-loader')
        .options({
          symbolId: 'icon-[name]'
        })
        .end()
    
      config.when(process.env.NODE_ENV !== 'development', config => {
        config
          .plugin('ScriptExtHtmlWebpackPlugin')
          .after('html')
          .use('script-ext-html-webpack-plugin', [
            {
              // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }
          ])
          .end()
        config.optimization.splitChunks({
          chunks: 'all',
          cacheGroups: {
            libs: {
              name: 'chunk-libs',
              test: /[\\/]node_modules[\\/]/,
              priority: 10,
              chunks: 'initial' // only package third parties that are initially dependent
            },
            elementUI: {
              name: 'chunk-elementUI', // split elementUI into a single package
              priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
              test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
            },
            commons: {
              name: 'chunk-commons',
              test: resolve('src/components'), // can customize your rules
              minChunks: 3, //  minimum common number
              priority: 5,
              reuseExistingChunk: true
            }
          }
        })
        // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
        config.optimization.runtimeChunk('single')
      })
    }
    }
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