WARNING in budgets, maximum exceeded for initial

⚠️ WARNING in budgets, maximum exceeded for initial. Budget 2 MB was exceeded by 1.77 MB

So, you're trying to build your Angular 7 project with the --prod flag, but you keep getting a warning in budgets. It says your maximum budget of 2 MB has been exceeded by 1.77 MB. 🤔

Let's break it down and find easy solutions to manage your budgets in Angular 7! 💪

What are budgets and why are they important?

Budgets in Angular allow you to set size limits for different parts of your application, such as scripts, styles, and assets. They help keep your application lightweight and optimize its performance. When a budget is exceeded, you receive a warning like the one you encountered.

Now, let's go through some common scenarios and solutions!

Scenario 1: Exceeded budget for scripts chunk

From the chunk details you provided, it seems that your scripts chunk is causing the budget exceedance. The chunk size is currently 154 kB, but keep in mind that this size might change depending on your project structure and dependencies.

👉 Solution: To solve this, you can try code splitting or lazy loading. This means breaking down your application into smaller chunks and loading them only when needed. The Angular CLI provides tools and techniques to achieve this optimization. By doing so, you can reduce the size of your scripts chunk and stay within your budget.

Scenario 2: Exceeded budget for main chunk

In your case, the main chunk seems to be the culprit, with a size of 3.34 MB exceeding the budget. This chunk usually contains your application logic.

👉 Solution: One way to overcome this is to analyze your code and identify any unnecessary imports or dependencies that are bloating your main bundle. Consider removing unused modules or using lazy loading for feature modules to reduce the size of the main chunk.

Scenario 3: Exceeded budget for styles chunk

The styles chunk is consuming 379 kB, which exceeds your specified budget.

👉 Solution: Optimizing styles can be a bit challenging, but here are a few tips. Make sure you're not importing unnecessary styles or libraries. Consider using CSS preprocessors like Sass to reduce duplication and optimize the generated CSS code. Also, leverage Angular's built-in styles optimization options, such as encapsulation and view encapsulation, to minimize CSS footprint.

Scenario 4: Exceeded budget for polyfills chunk

The polyfills chunk appears to be within the budget limit, so let's move on to the next scenario!

Scenario 5: Exceeded budget for other chunks or assets

If you have additional chunks or assets listed in your build output and any of them exceed their respective budgets, you can follow a similar approach:

👉 Solution: Analyze the specific chunk or asset that's causing the exceedance. You may have to dig deeper into your code and dependencies to pinpoint the problem. Consider optimizing the respective module or file, or if possible, splitting it into smaller pieces.

Wrapping up

By following the solutions provided above, you should be able to manage your budgets effectively and eliminate the warning message.

But remember, budget sizes are project-dependent and should be tailored to fit your specific requirements. It's essential to strike a balance between performance optimization and functionality.

If you found this article helpful, share it with your fellow Angular developers who might be facing similar issues! And don't forget to leave a comment below if you have any additional questions or solutions to share. Happy coding! 😊🚀