feat: add Rsbuild SSR express with manifest example

rsbuild/ssr-express-with-manifest/.gitignore

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+# Local
+.DS_Store
+*.local
+*.log*
+
+# Dist
+node_modules
+dist/
+
+# IDE
+.vscode/*
+!.vscode/extensions.json
+.idea

rsbuild/ssr-express-with-manifest/README.md

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+# Rsbuild Project
+
+## Setup
+
+Install the dependencies:
+
+```bash
+pnpm install
+```
+
+## Get Started
+
+Start the dev server:
+
+```bash
+pnpm dev
+```
+
+Build the app for production:
+
+```bash
+pnpm build
+```
+
+Preview the production build locally:
+
+```bash
+pnpm preview
+```

rsbuild/ssr-express-with-manifest/package.json

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+{
+  "name": "rsbuild-ssr-express-with-manifest",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "build": "rsbuild build",
+    "dev": "node ./server.mjs",
+    "preview": "node ./prod-server.mjs"
+  },
+  "dependencies": {
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1"
+  },
+  "devDependencies": {
+    "@rsbuild/core": "1.1.0",
+    "@rsbuild/plugin-react": "1.0.6",
+    "@types/express": "^4.17.21",
+    "@types/react": "^18.3.12",
+    "@types/react-dom": "^18.3.1",
+    "express": "^4.19.2",
+    "typescript": "^5.3.0"
+  }
+}

rsbuild/ssr-express-with-manifest/prod-server.mjs

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+import express from "express";
+import { createRequire } from "node:module";
+import fs from "node:fs";
+import path from "node:path";
+
+const require = createRequire(import.meta.url);
+
+const templateHtml = fs.readFileSync('./template.html', 'utf-8');
+
+const serverRender = (_req, res) => {
+  const remotesPath = path.join(process.cwd(), `./dist/server/index.js`);
+
+  const importedApp = require(remotesPath);
+
+  const markup = importedApp.render();
+
+  const { entries } = JSON.parse(fs.readFileSync('./dist/manifest.json', 'utf-8'));
+
+  const { js, css } = entries['index'].initial;
+
+  const scriptTags = js.map(file => `<script src="${file}" defer></script>`).join('\n');
+  const styleTags = css.map(file => `<link rel="stylesheet" href="${file}">`).join('\n');  
+
+  const html = templateHtml.replace("<!--app-content-->", markup).replace('<!--app-head-->', `${scriptTags}\n${styleTags}`);
+
+  res.status(200).set({ "Content-Type": "text/html" }).send(html);
+};
+
+const port = process.env.PORT || 3000;
+
+export async function preview() {
+  const app = express();
+
+  app.get("/", (req, res, next) => {
+    try {
+      serverRender(req, res, next);
+    } catch (err) {
+      console.error("SSR render error, downgrade to CSR...\n", err);
+      next();
+    }
+  });
+
+  app.use(express.static("dist"));
+
+  app.listen(port, () => {
+    console.log(`Server started at http://localhost:${port}`);
+  });
+}
+
+preview(process.cwd());

rsbuild/ssr-express-with-manifest/rsbuild.config.mjs

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+import { defineConfig } from "@rsbuild/core";
+import { pluginReact } from "@rsbuild/plugin-react";
+
+export default defineConfig({
+  plugins: [pluginReact()],
+  dev: {
+    writeToDisk: true 
+  },
+  environments: {
+    web: {
+      output: {
+        target: "web",
+      },
+      source: {
+        entry: {
+          index: "./src/index",
+        },
+      },
+      output: {
+        manifest: true,
+      },
+    },
+    ssr: {
+      output: {
+        target: "node",
+        distPath: {
+          root: "dist/server",
+        },
+      },
+      source: {
+        entry: {
+          index: "./src/index.server",
+        },
+      },
+    },
+  },
+  tools: {
+    htmlPlugin: false
+  }
+});

rsbuild/ssr-express-with-manifest/server.mjs

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+import express from "express";
+import fs from 'node:fs';
+import { createRsbuild, loadConfig, logger } from "@rsbuild/core";
+
+const templateHtml = fs.readFileSync('./template.html', 'utf-8');
+
+const serverRender = (serverAPI) => async (_req, res) => {
+  const indexModule = await serverAPI.environments.ssr.loadBundle("index");
+
+  const markup = indexModule.render();
+
+  const { entries } = JSON.parse(fs.readFileSync('./dist/manifest.json', 'utf-8'));
+
+  const { js, css } = entries['index'].initial;
+
+  const scriptTags = js.map(file => `<script src="${file}" defer></script>`).join('\n');
+  const styleTags = css.map(file => `<link rel="stylesheet" href="${file}">`).join('\n');  
+
+  const html = templateHtml.replace("<!--app-content-->", markup).replace('<!--app-head-->', `${scriptTags}\n${styleTags}`);
+
+  res.writeHead(200, {
+    "Content-Type": "text/html",
+  });
+  res.end(html);
+};
+
+export async function startDevServer() {
+  const { content } = await loadConfig({});
+
+  // Init Rsbuild
+  const rsbuild = await createRsbuild({
+    rsbuildConfig: content,
+  });
+
+  const app = express();
+
+  // Create Rsbuild DevServer instance
+  const rsbuildServer = await rsbuild.createDevServer();
+
+  const serverRenderMiddleware = serverRender(rsbuildServer);
+
+  app.get("/", async (req, res, next) => {
+    try {
+      await serverRenderMiddleware(req, res, next);
+    } catch (err) {
+      logger.error("SSR render error, downgrade to CSR...\n", err);
+      next();
+    }
+  });
+
+  // Apply Rsbuild’s built-in middlewares
+  app.use(rsbuildServer.middlewares);
+
+  const httpServer = app.listen(rsbuildServer.port, () => {
+    // Notify Rsbuild that the custom server has started
+    rsbuildServer.afterListen();
+  });
+
+  rsbuildServer.connectWebSocket({ server: httpServer });
+
+  return {
+    close: async () => {
+      await rsbuildServer.close();
+      httpServer.close();
+    },
+  };
+}
+
+startDevServer();

rsbuild/ssr-express-with-manifest/src/App.css

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+body {
+  margin: 0;
+  color: #fff;
+  font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
+  background-image: linear-gradient(to bottom, #020917, #101725);
+}
+
+.content {
+  display: flex;
+  min-height: 100vh;
+  line-height: 1.1;
+  text-align: center;
+  flex-direction: column;
+  justify-content: center;
+}
+
+.content h1 {
+  font-size: 3.6rem;
+  font-weight: 700;
+}
+
+.content p {
+  font-size: 1.2rem;
+  font-weight: 400;
+  opacity: 0.5;
+}

rsbuild/ssr-express-with-manifest/src/App.tsx

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+import './App.css';
+
+const App = () => {
+  return (
+    <div className="content">
+      <h1>Rsbuild with React</h1>
+      <p>Start building amazing things with Rsbuild.</p>
+    </div>
+  );
+};
+
+export default App;

rsbuild/ssr-express-with-manifest/src/env.d.ts

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+/// <reference types="@rsbuild/core/types" />