Production Scaling

Scaling the trackjs/javascript-gameshow project in production involves several key steps, methodologies, and code practices. Here’s a thorough walkthrough:

1. Build and Deployment Process

The first step in scaling your application is to prepare it for production. Utilize the following commands within your project:

$ npm run build

This command generates a production-ready build, optimizing assets and bundling files for efficient loading.

To deploy the application, execute:

$ npm run deploy

The deploy command assumes you’ve configured the deployment scripts accordingly. Verify your README.md in the audience-app directory for deployment instructions.

2. Static Asset Optimization

Ensure that your static assets are optimized. Refer to the size-plugin.json files for tracking file sizes and optimizations. Analyze differences in file size before and after changes, ensuring that unnecessary bloat is removed.

For instance, you can see file size changes in the following code snippet from the size-plugin.json:

{"filename":"sw-esm.js","previous":11827,"size":11825,"diff":-2}

This indicates a reduction in the file size, improving load times significantly.

3. Advanced Caching Strategies

Implement caching strategies using service workers to cache application resources. This is evident from your use of service worker files like sw-esm.js. Proper caching can reduce server load and improve response times for users.

Consider enabling cache for downloaded resources as follows:

self.addEventListener('install', event => {
  event.waitUntil(
    caches.open('my-cache-v1').then(cache => {
      return cache.addAll([
        '/index.html',
        '/styles/main.css',
        '/scripts/main.js',
      ]);
    })
  );
});

4. Load Testing and Monitoring

After deployment, conduct load testing to understand how the application scales under various loads. Use tools like Apache JMeter or k6 to simulate multiple users.

Make sure to monitor the production app using proper logging and monitoring systems. Track metrics like response time and server resource usage to identify bottlenecks.

5. Code Quality and Performance

Maintain code quality by regularly linting TypeScript and JavaScript files. Utilize ESLint configured appropriately for the project:

$ npm run lint

This ensures that the code adheres to standards, facilitating maintainability.

6. Memory Leak Prevention

When scaling, monitor for memory leaks, especially in state management across components or during heavy DOM manipulation. Use profiling tools in browsers to detect and identify leaks.

In the README.md, there is a focus on ensuring “we don’t have any memory leaks,” emphasizing the importance of regular code reviews and profile analyzing.

7. UI Performance Optimization

Optimize the styling and layout of your application to ensure it scales well across devices. Ensure that CSS is efficient and makes use of modern practices to reduce render-blocking.

Example of CSS styling in SCSS files:

.route-home {
  height: 100vh;
  width: 100vw;
}

This ensures the home route is responsive to various screen sizes.

8. User Experience in High Load Situations

Consider how users will interact with your application during peak times. Implement UI indicators that manage user expectations, such as loading spinners or notifications for longer wait times, to enhance user experience.

9. Scaling the Backend Infrastructure

Although this documentation focuses on frontend scaling, it is essential to note that scaling the backend can significantly impact performance. Adopt horizontal scaling through load balancers and replicated databases to manage user traffic effectively.

In summary, these steps outlined enhance the scalability of trackjs/javascript-gameshow in production, ensuring a smooth experience for all users. For further details, please refer to the appropriate sections within the codebase as previously noted.

Source: audience-app/README.md, TODO, README.md, presenter-app/src/style/routes/home.scss, presenter-app/src/style/buttons.scss, presenter-app/src/style/routes/game/q/questionDetails.scss, presenter-app/src/style/components/lifeLines.scss, presenter-app/size-plugin.json