vue预渲染 render-spa-plugin

全局安装
```
npm install -g @vue/cli-init
```

创建vebpack项目
vue init webpack . // 在当前文件夹下创建项目

? Generate project in current directory? Yes
? Project name prerender-spa
? Project description A Vue.js project
? Author dxc1996 <18895364886@163.com>
? Vue build standalone
? Install vue-router? Yes
? Use ESLint to lint your code? No
? Set up unit tests No
? Setup e2e tests with Nightwatch? No
? Should we run `npm install` for you after the project has been created? (recommended) npm

安装插件
```
npm/cnpm i prerender-spa-plugin -D
```

路由模式要为history

import Vue from 'vue'
import Router from 'vue-router'
import Home from '@/components/Home'
import About from '@/components/About'
import Test from '@/components/Test'

Vue.use(Router)

export default new Router({
      
      
  mode:'history',
  routes: [
    {
      
      path: '/',name: 'Home',component: Home},
    {
      
      path: '/about',name: 'About',component: About},
    {
      
      path: '/test',name: 'Test',component: Test}
  ]
})

这是我的目录结构
在这里插入图片描述

在webpack.prod.config.js下配置

const PrerenderSPAPlugin = require('prerender-spa-plugin');
// 调用渲染器
const Renderer = PrerenderSPAPlugin.PuppeteerRenderer
plugins:[
      ...
//调用渲染器
    new PrerenderSPAPlugin({
      
      
      staticDir: path.join(__dirname, '../dist'),
      // Required - Routes to render.
      routes: [ '/', '/about'],
      renderer: new Renderer({
      
      
        inject: {
      
      
          foo: 'bar'
        },
        headless: false, 
        // 在项目的入口使用document.dispatchEvent(new Event('render-event'))
        renderAfterDocumentEvent: 'render-event',
      })
    })
]

整体来说是这样的

'use strict'
const path = require('path')
const utils = require('./utils')
const webpack = require('webpack')
const config = require('../config')
const merge = require('webpack-merge')
const baseWebpackConfig = require('./webpack.base.conf')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
const PrerenderSPAPlugin = require('prerender-spa-plugin');
// 调用渲染器
const Renderer = PrerenderSPAPlugin.PuppeteerRenderer

const env = require('../config/prod.env')

const webpackConfig = merge(baseWebpackConfig, {
      
      
  module: {
      
      
    rules: utils.styleLoaders({
      
      
      sourceMap: config.build.productionSourceMap,
      extract: true,
      usePostCSS: true
    })
  },
  devtool: config.build.productionSourceMap ? config.build.devtool : false,
  output: {
      
      
    path: config.build.assetsRoot,
    filename: utils.assetsPath('js/[name].[chunkhash].js'),
    chunkFilename: utils.assetsPath('js/[id].[chunkhash].js')
  },
  plugins: [
    // http://vuejs.github.io/vue-loader/en/workflow/production.html
    new webpack.DefinePlugin({
      
      
      'process.env': env
    }),
    new UglifyJsPlugin({
      
      
      uglifyOptions: {
      
      
        compress: {
      
      
          warnings: false
        }
      },
      sourceMap: config.build.productionSourceMap,
      parallel: true
    }),
    // extract css into its own file
    new ExtractTextPlugin({
      
      
      filename: utils.assetsPath('css/[name].[contenthash].css'),
      // Setting the following option to `false` will not extract CSS from codesplit chunks.
      // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
      // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`, 
      // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
      allChunks: true,
    }),
    // Compress extracted CSS. We are using this plugin so that possible
    // duplicated CSS from different components can be deduped.
    new OptimizeCSSPlugin({
      
      
      cssProcessorOptions: config.build.productionSourceMap
        ? {
      
       safe: true, map: {
      
       inline: false } }
        : {
      
       safe: true }
    }),
    // generate dist index.html with correct asset hash for caching.
    // you can customize output by editing /index.html
    // see https://github.com/ampedandwired/html-webpack-plugin
    new HtmlWebpackPlugin({
      
      
      filename: config.build.index,
      template: 'index.html',
      inject: true,
      minify: {
      
      
        removeComments: true,
        collapseWhitespace: true,
        removeAttributeQuotes: true
        // more options:
        // https://github.com/kangax/html-minifier#options-quick-reference
      },
      // necessary to consistently work with multiple chunks via CommonsChunkPlugin
      chunksSortMode: 'dependency'
    }),
    // keep module.id stable when vendor modules does not change
    new webpack.HashedModuleIdsPlugin(),
    // enable scope hoisting
    new webpack.optimize.ModuleConcatenationPlugin(),
    // split vendor js into its own file
    new webpack.optimize.CommonsChunkPlugin({
      
      
      name: 'vendor',
      minChunks (module) {
      
      
        // any required modules inside node_modules are extracted to vendor
        return (
          module.resource &&
          /\.js$/.test(module.resource) &&
          module.resource.indexOf(
            path.join(__dirname, '../node_modules')
          ) === 0
        )
      }
    }),
    // extract webpack runtime and module manifest to its own file in order to
    // prevent vendor hash from being updated whenever app bundle is updated
    new webpack.optimize.CommonsChunkPlugin({
      
      
      name: 'manifest',
      minChunks: Infinity
    }),
    // This instance extracts shared chunks from code splitted chunks and bundles them
    // in a separate chunk, similar to the vendor chunk
    // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
    new webpack.optimize.CommonsChunkPlugin({
      
      
      name: 'app',
      async: 'vendor-async',
      children: true,
      minChunks: 3
    }),

    // copy custom static assets
    new CopyWebpackPlugin([
      {
      
      
        from: path.resolve(__dirname, '../static'),
        to: config.build.assetsSubDirectory,
        ignore: ['.*']
      }
    ]),
    //调用渲染器
    new PrerenderSPAPlugin({
      
      
      // Required - The path to the webpack-outputted app to prerender.
      staticDir: path.join(__dirname, '../dist'),
      // Required - Routes to render.
      routes: [ '/', '/about'],

      renderer: new Renderer({
      
      
        // Optional - Any values you'd like your app to have access to via `window.injectProperty`.
        inject: {
      
      
          foo: 'bar'
        },
        // Other puppeteer options.
        // (See here: https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#puppeteerlaunchoptions)
        headless: false, // Display the browser window when rendering. Useful for debugging.
 
        // Optional - Wait to render until the specified event is dispatched on the document.
        // eg, with `document.dispatchEvent(new Event('custom-render-trigger'))`
        // 在项目的入口使用document.dispatchEvent(new Event('render-event'))
        renderAfterDocumentEvent: 'render-event',
 
      })
    })
  ]
})

if (config.build.productionGzip) {
      
      
  const CompressionWebpackPlugin = require('compression-webpack-plugin')

  webpackConfig.plugins.push(
    new CompressionWebpackPlugin({
      
      
      asset: '[path].gz[query]',
      algorithm: 'gzip',
      test: new RegExp(
        '\\.(' +
        config.build.productionGzipExtensions.join('|') +
        ')$'
      ),
      threshold: 10240,
      minRatio: 0.8
    })
  )
}

if (config.build.bundleAnalyzerReport) {
      
      
  const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
  webpackConfig.plugins.push(new BundleAnalyzerPlugin())
}

module.exports = webpackConfig

配置main.js

new Vue({
      
      
  el: '#app',
  router,
  components: {
      
       App },
  template: '<App/>',
  mounted(){
      
      
    document.dispatchEvent(new Event('render-event'))
  }
})

打包后的文件

如有雷同，请联系删除

vue预渲染 render-spa-plugin

vue预渲染 render-spa-plugin

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