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docs: update README files for bi-directional example
- Replace Cypress documentation with comprehensive Playwright testing guide - Update technology stack to reflect Modern.js and module federation setup - Add detailed script documentation and usage instructions - Include module federation configuration examples - Update commands to use pnpm instead of yarn - Add test architecture and key features sections - Provide clear setup and development workflow documentation 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
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‎bi-directional/README.md

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# Bi-Directional Hosts Example
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This example demos bi-directional hosts each with their own remote `Button` components.
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This example demonstrates bi-directional module federation using Modern.js, where each application can both expose and consume federated modules from each other.
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- `app1` exposes a red `<button>App 1 Button</button>` component.
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- `app2` exposes a blue `<button>App 2 Button</button>` component.
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- `app1` exposes a red `<button>App 1 Button</button>` component and consumes `app2`'s button.
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- `app2` exposes a blue `<button>App 2 Button</button>` component and consumes `app1`'s button.
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# Running Demo
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## Technology Stack
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Run `pnpm run start`. This will build and serve both `app1` and `app2` on ports 3001 and 3002 respectively.
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- **Framework**: Modern.js v2.68.6
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- **Module Federation**: @module-federation/modern-js v0.17.1
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- **Testing**: Playwright for end-to-end testing
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- **Build Tool**: Rspack (via Modern.js)
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- [localhost:3001](http://localhost:3001/)
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- [localhost:3002](http://localhost:3002/)
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## Running Demo
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Notice that `app1` will asynchronously load `app2`'s button and vice versa.
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<img src="https://ssl.google-analytics.com/collect?v=1&t=event&ec=email&ea=open&t=event&tid=UA-120967034-1&z=1589682154&cid=ae045149-9d17-0367-bbb0-11c41d92b411&dt=ModuleFederationExamples&dp=/email/BiDirectional">
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Run `pnpm run start`. This will start both `app1` and `app2` in development mode on ports 3001 and 3002 respectively.
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# Running Cypress E2E Tests
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- [localhost:3001](http://localhost:3001/) - App1 hosting App2's button
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- [localhost:3002](http://localhost:3002/) - App2 hosting App1's button
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To run tests in interactive mode, run `npm run cypress:debug` from the root directory of the project. It will open Cypress Test Runner and allow to run tests in interactive mode. [More info about "How to run tests"](../../cypress-e2e/README.md#how-to-run-tests)
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Notice that each app will asynchronously load the other app's federated button component using React Suspense.
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To build app and run test in headless mode, run `yarn e2e:ci`. It will build app and run tests for this workspace in headless mode. If tets failed cypress will create `cypress` directory in sample root folder with screenshots and videos.
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## Available Scripts
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["Best Practices, Rules amd more interesting information here](../../cypress-e2e/README.md)
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- `pnpm start` - Start both apps in development mode
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- `pnpm build` - Build both apps for production
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- `pnpm serve` - Serve built apps in production mode
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- `pnpm test:e2e` - Run Playwright tests in headless mode
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- `pnpm test:e2e:ui` - Run Playwright tests with UI mode
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- `pnpm test:e2e:debug` - Run Playwright tests in debug mode
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- `pnpm e2e:ci` - Build and run tests for CI
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## Module Federation Configuration
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Each app uses a `module-federation.config.ts` file to configure:
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- **Exposed modules**: Components shared with other apps
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- **Remote modules**: Components consumed from other apps
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- **Shared dependencies**: React and React-DOM with singleton strategy
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## End-to-End Testing with Playwright
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This example includes comprehensive Playwright tests that verify:
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- ✅ Both applications load correctly
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- ✅ Federated components render properly
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- ✅ Bi-directional communication works
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- ✅ Error handling for module loading failures
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- ✅ Cross-app interaction and state management
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### Running Tests
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```bash
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# Run tests in headless mode
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pnpm test:e2e
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# Run tests with interactive UI
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pnpm test:e2e:ui
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# Run tests in debug mode
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pnpm test:e2e:debug
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# Run tests for CI (build first)
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pnpm e2e:ci
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```
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### Test Architecture
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The test suite includes:
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- **Page Objects**: Reusable test utilities in `e2e/utils/`
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- **Test Fixtures**: Shared setup and teardown logic
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- **Comprehensive Coverage**: All module federation scenarios
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- **Error Scenarios**: Graceful handling of federation failures
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## Key Features Demonstrated
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1. **Bi-directional Federation**: Apps both expose and consume modules
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2. **React Suspense Integration**: Lazy loading with fallback UI
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3. **Modern.js Framework**: Latest patterns and best practices
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4. **Production-Ready Testing**: Comprehensive Playwright test suite
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5. **TypeScript Support**: Full type safety across federated modules

‎bi-directional/app1/README.md

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# Modern.js App
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# App1 - Module Federation Host/Remote
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This is the first application in the bi-directional module federation example. It both exposes and consumes federated modules.
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## Module Federation Setup
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**Exposes:**
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- `./Button` - Red button component (`src/components/button.js`)
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**Consumes:**
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- `app2/Button` - Blue button component from App2
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**Port:** 3001
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## Setup
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Install the dependencies:
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```bash
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yarn install
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pnpm install
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```
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## Get Started
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Start the dev server:
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```
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yarn dev
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```
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Enable optional features or add a new entry:
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```
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yarn new
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```bash
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pnpm dev
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```
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Build the app for production:
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```
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yarn build
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```bash
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pnpm build
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```
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Preview the production build locally:
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```bash
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pnpm serve
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```
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yarn serve
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## Module Federation Configuration
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The module federation setup is configured in `module-federation.config.ts`:
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```typescript
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export default createModuleFederationConfig({
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name: 'app1',
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remotes: {
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app2: 'app2@http://localhost:3002/mf-manifest.json',
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},
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exposes: {
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'./Button': './src/components/button.js',
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},
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shared: {
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react: { singleton: true },
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'react-dom': { singleton: true },
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},
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dts: false,
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});
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```
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## Key Features
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- **React Suspense**: Uses lazy loading for federated components
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- **Modern.js Framework**: Built with Modern.js v2.68.6
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- **TypeScript Support**: Full type safety across federated modules
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- **Error Boundaries**: Graceful handling of federation failures
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For more information, see the [Modern.js documentation](https://modernjs.dev/en).

‎bi-directional/app2/README.md

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# Modern.js App
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# App2 - Module Federation Host/Remote
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This is the second application in the bi-directional module federation example. It both exposes and consumes federated modules.
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## Module Federation Setup
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**Exposes:**
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- `./Button` - Blue button component (`src/components/button.js`)
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**Consumes:**
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- `app1/Button` - Red button component from App1
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**Port:** 3002
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## Setup
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Install the dependencies:
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```bash
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yarn install
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pnpm install
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```
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## Get Started
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Start the dev server:
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```
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yarn dev
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```
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Enable optional features or add a new entry:
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```
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yarn new
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```bash
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pnpm dev
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```
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Build the app for production:
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```
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yarn build
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```bash
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pnpm build
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```
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Preview the production build locally:
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```bash
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pnpm serve
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```
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yarn serve
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## Module Federation Configuration
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The module federation setup is configured in `module-federation.config.ts`:
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```typescript
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export default createModuleFederationConfig({
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name: 'app2',
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remotes: {
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app1: 'app1@http://localhost:3001/mf-manifest.json',
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},
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exposes: {
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'./Button': './src/components/button.js',
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},
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shared: {
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react: { singleton: true },
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'react-dom': { singleton: true },
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},
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dts: false,
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});
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```
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## Key Features
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- **React Suspense**: Uses lazy loading for federated components
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- **Modern.js Framework**: Built with Modern.js v2.68.6
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- **TypeScript Support**: Full type safety across federated modules
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- **Error Boundaries**: Graceful handling of federation failures
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For more information, see the [Modern.js documentation](https://modernjs.dev/en).

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