docs: add dynamic remote to example

module-federation · Oct 6, 2024 · 44a86e3 · 44a86e3
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diff --git a/e2e/vite-webpack-rspack/tests/index.spec.ts b/e2e/vite-webpack-rspack/tests/index.spec.ts
@@ -71,3 +71,34 @@ test.describe('Webpack remote', () => {
     await expect(furtherRecommendations).toBeVisible();
   });
 });
+
+test.describe('Dynamic remote', () => {
+  test('shows dynamic banner on toggle', async ({ page, baseURL }) => {
+    await page.goto(baseURL!);
+    const showAdToggle = page.getByRole('checkbox', { name: 'Show Dynamic Ad', exact: true });
+
+    const signUpBanner = page.getByRole('heading', { level: 2, name: 'Sign up now!', exact: true });
+    const specialPromoBanner = page.getByRole('heading', {
+      level: 2,
+      name: 'Up to 50% off!',
+    });
+
+    await showAdToggle.check({ force: true });
+
+    // Special Promo banner should be visible after toggling
+    await expect(specialPromoBanner).toBeVisible();
+    await expect(signUpBanner).not.toBeVisible();
+
+    // Toggle again, no banner should be visible
+    await showAdToggle.uncheck({ force: true });
+
+    await expect(signUpBanner).not.toBeVisible();
+    await expect(specialPromoBanner).not.toBeVisible();
+
+    // Toggle again, SignUpBanner should be visible
+    await showAdToggle.check({ force: true });
+
+    await expect(signUpBanner).toBeVisible();
+    await expect(specialPromoBanner).not.toBeVisible();
+  });
+});
diff --git a/examples/vite-webpack-rspack/dynamic-remote/.gitignore b/examples/vite-webpack-rspack/dynamic-remote/.gitignore
@@ -0,0 +1,24 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+dist
+dist-ssr
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
diff --git a/examples/vite-webpack-rspack/dynamic-remote/README.md b/examples/vite-webpack-rspack/dynamic-remote/README.md
@@ -0,0 +1,8 @@
+# React + Vite
+
+This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
+
+Currently, two official plugins are available:
+
+- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react/README.md) uses [Babel](https://babeljs.io/) for Fast Refresh
+- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
diff --git a/examples/vite-webpack-rspack/dynamic-remote/eslint.config.js b/examples/vite-webpack-rspack/dynamic-remote/eslint.config.js
@@ -0,0 +1,35 @@
+import js from '@eslint/js';
+import globals from 'globals';
+import react from 'eslint-plugin-react';
+import reactHooks from 'eslint-plugin-react-hooks';
+import reactRefresh from 'eslint-plugin-react-refresh';
+
+export default [
+  { ignores: ['dist'] },
+  {
+    files: ['**/*.{js,jsx}'],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+      parserOptions: {
+        ecmaVersion: 'latest',
+        ecmaFeatures: { jsx: true },
+        sourceType: 'module',
+      },
+    },
+    settings: { react: { version: '18.3' } },
+    plugins: {
+      react,
+      'react-hooks': reactHooks,
+      'react-refresh': reactRefresh,
+    },
+    rules: {
+      ...js.configs.recommended.rules,
+      ...react.configs.recommended.rules,
+      ...react.configs['jsx-runtime'].rules,
+      ...reactHooks.configs.recommended.rules,
+      'react/jsx-no-target-blank': 'off',
+      'react-refresh/only-export-components': ['warn', { allowConstantExport: true }],
+    },
+  },
+];
diff --git a/examples/vite-webpack-rspack/dynamic-remote/index.html b/examples/vite-webpack-rspack/dynamic-remote/index.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Vite + React</title>
+  </head>
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.jsx"></script>
+  </body>
+</html>
diff --git a/examples/vite-webpack-rspack/dynamic-remote/package.json b/examples/vite-webpack-rspack/dynamic-remote/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "multi-example-remote",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "start": "vite",
+    "build": "vite build",
+    "lint": "eslint .",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
+    "@module-federation/vite": "workspace:*"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.9.0",
+    "@types/react": "^18.3.3",
+    "@types/react-dom": "^18.3.0",
+    "@vitejs/plugin-react": "^4.3.1",
+    "globals": "^15.9.0",
+    "tailwindcss": "^3.4.13",
+    "vite": "^5.4.1"
+  }
+}
diff --git a/examples/vite-webpack-rspack/dynamic-remote/postcss.config.cjs b/examples/vite-webpack-rspack/dynamic-remote/postcss.config.cjs
@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+};
diff --git a/examples/vite-webpack-rspack/dynamic-remote/src/App.jsx b/examples/vite-webpack-rspack/dynamic-remote/src/App.jsx
@@ -0,0 +1,13 @@
+import SignUpBanner from './SignUpBanner';
+import SpecialPromo from './SpecialPromo';
+
+function App() {
+  return (
+    <div>
+      <SignUpBanner />
+      <SpecialPromo />
+    </div>
+  );
+}
+
+export default App;
diff --git a/examples/vite-webpack-rspack/dynamic-remote/src/SignUpBanner.jsx b/examples/vite-webpack-rspack/dynamic-remote/src/SignUpBanner.jsx
@@ -0,0 +1,14 @@
+const SignUpBanner = () => {
+  return (
+    <div className="bg-blue-500 text-white p-4 m-4 rounded ring-offset-ring-4 flex justify-between">
+      <div>
+        <h2 className="text-xl">Sign up now!</h2>
+        <p>Get started with our amazing service today.</p>
+        <button className="bg-white text-blue-500 p-2 rounded mt-2">Sign up</button>
+      </div>
+      <img src="https://picsum.photos/200/200" alt="Random" className="mt-2" />
+    </div>
+  );
+};
+
+export default SignUpBanner;
diff --git a/examples/vite-webpack-rspack/dynamic-remote/src/SpecialPromo.jsx b/examples/vite-webpack-rspack/dynamic-remote/src/SpecialPromo.jsx
@@ -0,0 +1,13 @@
+const SpecialPromo = () => {
+  return (
+    <div className="bg-red-500 text-white p-4 m-4 rounded ring-offset-ring-4 flex justify-between">
+      <div>
+        <h2 className="text-xl">Up to 50% off!</h2>
+        <p>Only for a limited time.</p>
+      </div>
+      <img src="https://picsum.photos/200/200" alt="Random" className="mt-2" />
+    </div>
+  );
+};
+
+export default SpecialPromo;
diff --git a/examples/vite-webpack-rspack/dynamic-remote/src/bootstrap.tsx b/examples/vite-webpack-rspack/dynamic-remote/src/bootstrap.tsx
@@ -0,0 +1,10 @@
+import React, { StrictMode } from 'react';
+import { createRoot } from 'react-dom/client';
+import App from './App.jsx';
+import './index.css';
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>
+);
diff --git a/examples/vite-webpack-rspack/dynamic-remote/src/index.css b/examples/vite-webpack-rspack/dynamic-remote/src/index.css
@@ -0,0 +1,3 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
diff --git a/examples/vite-webpack-rspack/dynamic-remote/src/main.jsx b/examples/vite-webpack-rspack/dynamic-remote/src/main.jsx
@@ -0,0 +1 @@
+import('./bootstrap');
diff --git a/examples/vite-webpack-rspack/dynamic-remote/tailwind.config.js b/examples/vite-webpack-rspack/dynamic-remote/tailwind.config.js
@@ -0,0 +1,8 @@
+/** @type {import('tailwindcss').Config} */
+export default {
+  content: ['./src/**/*.{js,jsx,ts,tsx}'],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+};
diff --git a/examples/vite-webpack-rspack/dynamic-remote/vite.config.js b/examples/vite-webpack-rspack/dynamic-remote/vite.config.js
@@ -0,0 +1,29 @@
+import { federation } from '@module-federation/vite';
+import react from '@vitejs/plugin-react';
+import { defineConfig } from 'vite';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [
+    react(),
+    federation({
+      name: 'dynamicRemote',
+      filename: 'remoteEntry.js',
+      // Modules to expose
+      exposes: {
+        './SignUpBanner': './src/SignUpBanner.jsx',
+        './SpecialPromo': './src/SpecialPromo.jsx',
+      },
+      shared: ['react', 'react-dom'],
+    }),
+  ],
+  server: {
+    port: 4002,
+  },
+  build: {
+    modulePreload: false,
+    target: 'esnext',
+    minify: false,
+    cssCodeSplit: false,
+  },
+});
diff --git a/examples/vite-webpack-rspack/host/src/App.tsx b/examples/vite-webpack-rspack/host/src/App.tsx
@@ -1,7 +1,10 @@
-import React, { lazy, StrictMode, Suspense } from 'react';
+import { registerRemotes } from '@module-federation/runtime';
+import React, { lazy, StrictMode, Suspense, useEffect } from 'react';
 import { createRoot } from 'react-dom/client';
 import { Footer } from './components/Footer';
 import { Header } from './components/Header';
+import { Toggle } from './components/Toggle';
+import { useDynamicImport } from './hooks/useDynamicImport';
 import './index.css';
 
 const RemoteProduct = lazy(
@@ -20,11 +23,42 @@ const WebpackRelated = lazy(
     import('webpack/Related')
 );
 
+const DynamicSignUpBanner = lazy(() => import('./components/DynamicSignUpBanner'));
+
+// if module federation is already setup through plugin in vite.config.js,
+// there is no need to call init() from '@module-federation/runtime' here
+registerRemotes([
+  {
+    name: 'dynamicRemote',
+    entry: 'http://localhost:4002/remoteEntry.js',
+    type: 'module',
+  },
+]);
+
 const App = () => {
+  const [showAd, setShowAd] = React.useState(false);
+  const [randomBanner, setRandomBanner] = React.useState<'SignUpBanner' | 'SpecialPromo'>(
+    'SignUpBanner'
+  );
+
+  const Banner = useDynamicImport({
+    module: randomBanner,
+    scope: 'dynamicRemote',
+  });
+
+  useEffect(() => {
+    // alternate between SignUpBanner and SpecialPromo on toggle
+    if (showAd) {
+      setRandomBanner((prev) => (prev === 'SignUpBanner' ? 'SpecialPromo' : 'SignUpBanner'));
+    }
+  }, [showAd]);
+
   return (
     <div className="bg-white">
       <Header />
       <main className="mx-auto mt-8 max-w-2xl px-4 pb-16 sm:px-6 sm:pb-24 lg:max-w-7xl lg:px-8">
+        <Toggle label="Show Dynamic Ad" checked={showAd} onValueChange={setShowAd} />
+        {showAd && <Suspense fallback="Loading...">{Banner ? <Banner /> : null}</Suspense>}
         <Suspense fallback="Loading...">
           <RemoteProduct />
         </Suspense>

diff --git a/examples/vite-webpack-rspack/host/src/components/Toggle.tsx b/examples/vite-webpack-rspack/host/src/components/Toggle.tsx
@@ -0,0 +1,23 @@
+import React from 'react';
+
+interface ToggleProps {
+  label: string;
+  checked: boolean;
+  onValueChange: (checked: boolean) => void;
+}
+
+export const Toggle = ({ checked, label, onValueChange }: ToggleProps) => {
+  return (
+    <label className="inline-flex items-center cursor-pointer">
+      <input
+        checked={checked}
+        type="checkbox"
+        value=""
+        className="sr-only peer"
+        onChange={(event) => onValueChange(event.target.checked)}
+      />
+      <div className="relative w-11 h-6 bg-gray-200 peer-focus:outline-none peer-focus:ring-4 peer-focus:ring-blue-300 dark:peer-focus:ring-blue-800 rounded-full peer dark:bg-gray-700 peer-checked:after:translate-x-full rtl:peer-checked:after:-translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:start-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all dark:border-gray-600 peer-checked:bg-blue-600"></div>
+      <span className="ms-3 text-sm font-medium">{label}</span>
+    </label>
+  );
+};
diff --git a/examples/vite-webpack-rspack/host/src/hooks/useDynamicImport.tsx b/examples/vite-webpack-rspack/host/src/hooks/useDynamicImport.tsx
@@ -0,0 +1,30 @@
+import { loadRemote } from '@module-federation/runtime';
+import { ElementType, useEffect, useState } from 'react';
+
+interface DynamicImportProps {
+  module: string;
+  scope: string;
+}
+
+export function useDynamicImport({ module, scope }: DynamicImportProps) {
+  const [component, setComponent] = useState<ElementType | null>(null);
+
+  useEffect(() => {
+    if (!module || !scope) return;
+
+    const loadComponent = async () => {
+      try {
+        const { default: Component } = (await loadRemote(`${scope}/${module}`)) as {
+          default: ElementType;
+        };
+        setComponent(() => Component);
+      } catch (error) {
+        console.error(`Error loading remote module ${scope}/${module}:`, error);
+      }
+    };
+
+    loadComponent();
+  }, [module, scope]);
+
+  return component;
+}
diff --git a/examples/vite-webpack-rspack/host/tailwind.config.js b/examples/vite-webpack-rspack/host/tailwind.config.js
@@ -3,6 +3,7 @@ export default {
   content: [
     './src/**/*.{js,jsx,ts,tsx}',
     '../remote/src/**/*.{js,jsx,ts,tsx}',
+    '../dynamic-remote/src/**/*.{js,jsx,ts,tsx}',
     '../rspack/src/**/*.{js,jsx,ts,tsx}',
     '../webpack/src/**/*.{js,jsx,ts,tsx}',
   ],

diff --git a/examples/vite-webpack-rspack/remote/src/App.jsx b/examples/vite-webpack-rspack/remote/src/App.jsx
@@ -1,5 +1,7 @@
+import Product from './Product';
+
 function App() {
-  return <></>;
+  return <Product />;
 }
 
 export default App;
diff --git a/examples/vite-webpack-rspack/rspack/src/App.tsx b/examples/vite-webpack-rspack/rspack/src/App.tsx
@@ -1,4 +1,5 @@
 import React from 'react';
 import './index.css';
+import Reviews from './Reviews';
 
-export const App = () => <></>;
+export const App = () => <Reviews />;
diff --git a/examples/vite-webpack-rspack/rspack/src/bootstrap.tsx b/examples/vite-webpack-rspack/rspack/src/bootstrap.tsx
@@ -0,0 +1,6 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import { App } from './App';
+
+const root = ReactDOM.createRoot(document.getElementById('app')!);
+root.render(<App />);