Angular Universal 17 预渲染动态内容
创始人
2024-10-20 19:31:44
0

要实现Angular Universal 17的预渲染动态内容,可以按照以下步骤进行操作:

  1. 安装Angular Universal 17:

    npm install @nguniversal/express-engine @nguniversal/common express
    
  2. 创建一个Angular工作区:

    npx create-nx-workspace@latest
    
  3. 在Angular工作区中创建一个Angular应用:

    ng generate application my-app
    
  4. 安装Angular Universal 17依赖:

    ng add @nguniversal/express-engine
    
  5. 创建一个服务端渲染的Express应用: 在根目录下创建一个文件server.ts,并添加以下代码:

    import 'zone.js/dist/zone-node';
    import 'reflect-metadata';
    import { enableProdMode } from '@angular/core';
    import { renderModuleFactory } from '@angular/platform-server';
    import * as express from 'express';
    import { readFileSync } from 'fs';
    import { provideModuleMap } from '@nguniversal/module-map-ngfactory-loader';
    
    enableProdMode();
    
    const app = express();
    
    const PORT = process.env.PORT || 4000;
    const DIST_FOLDER = join(process.cwd(), 'dist');
    
    const { AppServerModuleNgFactory, LAZY_MODULE_MAP } = require('./dist/server/main');
    
    app.engine('html', (_, options, callback) => {
      renderModuleFactory(AppServerModuleNgFactory, {
        document: readFileSync(join(DIST_FOLDER, 'browser', 'index.html')).toString(),
        url: options.req.url,
        extraProviders: [
          provideModuleMap(LAZY_MODULE_MAP)
        ]
      }).then(html => {
        callback(null, html);
      });
    });
    
    app.set('view engine', 'html');
    app.set('views', join(DIST_FOLDER, 'browser'));
    
    app.get('*.*', express.static(join(DIST_FOLDER, 'browser')));
    
    app.get('*', (req, res) => {
      res.render('index', { req });
    });
    
    app.listen(PORT, () => {
      console.log(`Node server listening on http://localhost:${PORT}`);
    });
    
  6. 根据需要编辑angular.json文件,确保在构建过程中启用服务器渲染,例如:

    {
      "projects": {
        "my-app": {
          "architect": {
            "build": {
              "configurations": {
                "production": {
                  "fileReplacements": [
                    {
                      "replace": "src/environments/environment.ts",
                      "with": "src/environments/environment.prod.ts"
                    }
                  ],
                  "outputHashing": "all",
                  "sourceMap": false,
                  "extractCss": true,
                  "namedChunks": false,
                  "aot": true,
                  "extractLicenses": true,
                  "vendorChunk": false,
                  "buildOptimizer": true,
                  "fileReplacements": [
                    {
                      "replace": "src/environments/environment.ts",
                      "with": "src/environments/environment.prod.ts"
                    }
                  ],
                  "optimization": {
                    "scripts": true,
                    "styles": {
                      "minify": true,
                      "inlineCritical": false
                    },
                    "fonts": true
                  },
                  "outputPath": "dist/my-app/browser",
                  "index": "src/index.html",
                  "main": "src/main.ts",
                  "polyfills": "src/polyfills.ts",
                  "tsConfig": "src/tsconfig.app.json",
                  "assets": [
                    "src/favicon.ico",
                    "src/assets"
                  ],
                  "styles": [
                    "src/styles.scss"
                  ],
                  "scripts": []
                },
                "prerender": {
                  "fileReplacements": [
                    {
                      "replace": "src/environments/environment.ts",
                      "with": "src/environments/environment.prod.ts"
                    }
                  ],
                  "outputHashing": "all",
                  "sourceMap": false,
                  "extractCss": true,
                  "namedChunks": false,
                  "aot": true,
                  "extractLicenses": true,
                  "vendorChunk": false,
                  "buildOptimizer": true,
                  "fileReplacements": [
                    {
                      "replace": "src/environments/environment.ts",
                      "with": "src/environments/environment.prod.ts"
                    }
                  ],
                  "optimization": {
                    "scripts": true,
                    "styles": {
                      "minify": true,
                      "inlineCritical": false
                    },
                    "fonts": true
    

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